HVAC M&A Multiples Report 2026

Vintage: report window Q1 2024 through Q2 2026. Rate context: SOFR three-month average roughly 3.7 percent in Q2 2026 per Federal Reserve H.15 and NY Fed reference-rate publications. Source: Federal Reserve H.15 selected interest rates release.

Not advice. Not appraisal. Not investment, legal, tax, or financial advice. Every figure below is an observed transaction range, not a valuation opinion for any single company. This HVAC M&A multiples 2026 benchmark is a research reference for owners, advisors, and journalists.

Executive Summary

HVAC M&A Multiples Report 2026 (CT Acquisitions, July 1, 2026)

Sub $1M revenue owner-operator residential HVAC shops traded at roughly 2.0x to 3.5x seller’s discretionary earnings (SDE) across 2024 and 2025 BizBuySell and broker-reported closings, with the median small HVAC sale price rising from about $650,000 in 2021 to about $800,000 in 2025 per BizBuySell learning-center data.
Lower middle market (LMM) residential and light commercial HVAC with roughly $3M to $10M revenue and $500,000 to $1M of adjusted EBITDA cleared roughly 6.0x to 8.0x adjusted EBITDA in 2025 and early 2026 broker and advisor reporting, with recurring maintenance-agreement share the single largest swing factor per the CT Acquisitions HVAC business valuation guide.
Platform-scale residential-plus-commercial HVAC with $10M to $25M revenue and $2M-plus adjusted EBITDA generally cleared 8.0x to 12.0x adjusted EBITDA in 2025 and early 2026 middle-market advisor reporting when service mix skewed to replacement and service and away from new-construction install per Auxo Capital Advisors.
PE-backed residential HVAC platforms above $25M revenue cleared 10.0x to 14.0x adjusted EBITDA in disclosed 2024 and 2025 transactions, with outlier platform recaps reaching mid to high teens on scale, membership base, and geographic coverage per the CT Acquisitions private equity HVAC roster.
Recurring maintenance-agreement share of revenue emerged as the dominant multiple driver in 2025 broker and advisor reporting, with businesses at 40 percent-plus service-agreement revenue commanding roughly 0.5x to 1.0x additional turns of EBITDA relative to install-heavy peers per the CT Acquisitions HVAC valuation guide. This premium reflects the subscription-adjacent renewal economics of a durable membership book.
Blackstone’s February 2026 announcement of the Champions Group acquisition from Odyssey Investment Partners at reported enterprise value of roughly $2.5 billion implied roughly 18.5x EV to EBITDA per press coverage, sitting at the top of the observed HVAC platform range and reflecting 1,800-plus technicians and 150,000 active members per the Blackstone announcement and Bloomberg coverage.
Legence Corp’s September 11, 2025 IPO priced its adjusted EBITDA at $298.8 million on $2,550.5 million of 2025 revenue per Legence’s Q4 2025 earnings release filed on Form 8-K, providing the current public reference for scaled specialty MEP services.
The Section 25C Energy Efficient Home Improvement Credit expired for installs placed in service after December 31, 2025 under the One Big Beautiful Bill Act signed July 4, 2025, removing the up-to-$2,000 federal heat-pump credit for 2026 installs and shifting the demand pull toward state and utility rebate programs including HEEHRA and HOMES per IRS Section 25C guidance.

Key Findings

Median sale price for small HVAC businesses (sub $5M revenue) on BizBuySell rose from about $650,000 in 2021 to about $800,000 in 2025, a roughly 23 percent increase over four calendar years per BizBuySell learning-center data. Vintage 2021 to 2025.
Residential HVAC businesses with $500,000 to $1M of EBITDA closed at an average multiple of roughly 6.3x adjusted EBITDA in Q1 2025 per broker-reported closings, while businesses with $5M to $10M of EBITDA reached an average of roughly 10.8x in the same window per Deal Prospectors. Vintage Q1 2025.
Comfort Systems USA (NYSE: FIX) reported full-year 2025 revenue of $9,101.6 million, 2025 gross profit of $2,195.9 million, and a year-end 2025 backlog of $11,945 million per its FY2025 disclosures on Form 8-K and ARS. Vintage FY2025.
Comfort Systems USA’s February 2024 disclosed acquisition of J&S Mechanical Contractors closed at approximately $120 million cash consideration for a target expected to contribute $145M to $160M of annualized revenue and $12M to $15M of EBITDA, implying roughly 8.0x to 10.0x EBITDA at the midpoint per the company’s Form 8-K disclosure summary. Vintage February 2024.
Watsco (NYSE: WSO) reported 2025 revenue of $7.2 billion across 695 locations in 43 U.S. states, Canada, Mexico, and Puerto Rico per its FY2025 ARS. Vintage FY2025.
Watsco disclosed the April 2025 acquisition of Hawkins HVAC Distributors for $2.5 million cash consideration against roughly $9.0 million of annualized target revenue, implying a distribution multiple well under 1.0x revenue per the FY2025 ARS. Vintage April 2025.
Legence Corp priced its IPO on September 11, 2025 and reported 2025 revenue of $2,550.5 million, 2025 adjusted EBITDA of $298.8 million, and year-end 2025 backlog and awarded contracts of $3.7 billion per its Q4 2025 earnings release on Form 8-K. Vintage FY2025.
Apex Service Partners, the Alpine Investors-backed residential HVAC, plumbing, and electrical platform, was the subject of Alpine’s October 2023 single-asset continuation vehicle transaction reported at approximately $3.4 billion per Alpine Investors. Vintage October 2023.
Apex disclosed 60 add-on acquisitions in calendar year 2025 across 5 regions and reported operating 75 local brands across 46 states with more than 13,000 employees as of Alpine’s 2025 year-in-review disclosure. Vintage FY2025.
Sila Services announced a majority equity investment from Goldman Sachs Alternatives in November 2024, with Morgan Stanley Capital Partners exiting from its 2021 investment and Sila management retaining a significant minority per Goldman Sachs press release. Vintage November 2024.
Blackstone’s February 17, 2026 announced acquisition of Champions Group from Odyssey Investment Partners was press-reported at approximately $2.5 billion, implying roughly 18.5x EBITDA per press estimates, and disclosed 1,800-plus field technicians and 150,000 active members per Blackstone. Vintage February 2026.
R-410A phase-out for new equipment took effect January 1, 2025 with an installation grace window through December 31, 2025 per EPA rulemaking, and the EPA subsequently published a final rule effective July 27, 2026 allowing continued installation of R-410A units manufactured or imported prior to January 1, 2025 until existing supplies are depleted per NAHB. Vintage 2025 to 2026.
R-454B cylinder prices reportedly moved from about $345 in 2021 to over $2,000 in 2025 during the A2L transition supply squeeze per contractor-reported industry coverage at ACIQ. Vintage 2021 to 2025.
Section 25C federal heat-pump credit expired for installs placed in service after December 31, 2025 under the One Big Beautiful Bill Act signed July 4, 2025, removing a per-taxpayer $2,000 annual heat-pump credit and a $600 AC credit for 2026 installs per IRS guidance and AC Direct reporting. Vintage 2025 to 2026.
IBBA and M&A Source Market Pulse Q4 2025 survey reported that 71 percent of intermediary respondents expected multiples to hold steady into 2026, with 26 percent of LMM-focused respondents predicting an increase per the Q4 2025 survey release. Vintage Q4 2025 survey window January 1 to 15, 2026.

HVAC M&A Multiples 2026 by Size Band (Spine)

Every range below is an observed transaction range from broker, advisor, or filed sources. No range is an appraisal opinion. Ranges bundle only same-basis earnings (SDE only, or adjusted EBITDA only). None blend the two.

Size band	Earnings basis	Observed multiple range	Typical buyer pool
Sub $1M revenue owner-operator residential	SDE	2.0x to 3.5x	Individual buyers, searchfunders, SBA-financed
$1M to $3M revenue LMM residential	SDE (or 4.5x to 6.0x adjusted EBITDA once normalized)	3.0x to 4.5x SDE	Individual buyers, small searchfunds, roll-up-stage strategics
$3M to $10M revenue multi-tech residential and light commercial	Adjusted EBITDA	6.0x to 8.0x	PE-backed add-ons and independent LMM strategics
$10M to $25M revenue platform-scale residential and commercial	Adjusted EBITDA	8.0x to 12.0x	PE-backed roll-ups and public strategics
$25M-plus revenue PE-backed HVAC platform	Adjusted EBITDA	10.0x to 14.0x (mid to high teens for scaled outliers)	Large PE sponsors, public strategics, sponsor-to-sponsor

Sub $1M revenue: small residential HVAC (SDE basis)

Observed range: roughly 2.0x to 3.5x SDE on broker-listed transactions in 2024 and 2025, with median small HVAC sale price roughly $800,000 in 2025 per BizBuySell. These are typically owner-on-truck operators or one- to three-truck shops with the owner as top revenue-producing technician. Financing skews SBA 7(a), and buyer pool skews individual buyers and searchfunders per IBBA Market Pulse. Owner dependency at this tier is severe, which caps observed multiples regardless of margin quality. Cross-linked discussion of owner dependency lives at /answers/owner-dependency-affects-valuation/.

$1M to $3M revenue: LMM residential (SDE bridging to adjusted EBITDA)

Observed range: roughly 3.0x to 4.5x SDE, or roughly 4.5x to 6.0x adjusted EBITDA where the buyer normalizes owner compensation and rebuilds a real management addback. Sub $1M EBITDA “owner-on-truck” shops clustered at roughly 3.0x to 4.5x SDE per broker reporting collated by First Page Sage and BizBuySell. The bridge from SDE to adjusted EBITDA at this tier depends on how much of the owner’s compensation is real market-rate replacement labor versus a distributable profit stream. Buyer pool is a mix of individual buyers, small searchfunds, and roll-up-stage strategics per IBBA data.

$3M to $10M revenue: multi-technician residential and light commercial (adjusted EBITDA basis)

Observed range: roughly 6.0x to 8.0x adjusted EBITDA in 2024 and 2025 broker and advisor reporting for balanced service-plus-install mix, with recurring maintenance-agreement share the largest single swing driver per the CT Acquisitions guide. Residential HVAC businesses with $500,000 to $1M of EBITDA closed at an average of roughly 6.3x adjusted EBITDA in Q1 2025 per broker-reported closings from Deal Prospectors. At this tier, buyers begin modeling recurring service-agreement revenue separately at 5.0x to 6.0x adjusted EBITDA against transactional installation revenue at 3.0x to 4.0x adjusted EBITDA per Auxo Capital Advisors 2026 guidance. Buyer pool at this tier is roughly evenly split between PE-backed strategic add-ons and independent LMM strategics.

$10M to $25M revenue: platform-scale residential and commercial (adjusted EBITDA basis)

Observed range: roughly 8.0x to 12.0x adjusted EBITDA in 2024 and 2025 middle-market advisor reporting for balanced portfolios with a real management team, mature CRM and dispatch software (ServiceTitan, FieldEdge, or comparable), and an installed membership base per Auxo Capital Advisors and CT Acquisitions. Businesses with $5M to $10M of EBITDA reached an average of roughly 10.8x in Q1 2025 broker-reported closings per Deal Prospectors. Buyer pool is dominated by PE-backed roll-ups: Apex Service Partners, Wrench Group, Southern Home Services, Sila Services, TurnPoint Services, and Redwood Services all closed add-ons in this size range across 2024 and 2025 per platform news pages.

$25M-plus revenue: PE-backed HVAC platform (adjusted EBITDA basis)

Observed range: roughly 10.0x to 14.0x adjusted EBITDA in 2024 and 2025 disclosed and press-reported LMM platform transactions, with disclosed outlier platforms clearing the mid to high teens on scale, technician base, membership count, and multi-region coverage. Comfort Systems USA’s February 2024 disclosed J&S Mechanical Contractors acquisition implied roughly 8.0x to 10.0x EBITDA on the midpoint of guided contribution ($120M consideration against $12M to $15M EBITDA guidance) per the company’s Form 8-K disclosure summary. Blackstone’s February 2026 announced Champions Group transaction was press-reported at approximately $2.5 billion implying roughly 18.5x EBITDA per Mergersight coverage citing press estimates. Note: the Champions Group figure sits above the observed LMM platform range and reflects scale, national footprint, and 150,000-member active book.

HVAC M&A Multiples 2026 by Sub-Segment

Sub-segment	Earnings basis	Observed multiple range	Primary driver
Sub $1M residential-only	SDE	2.0x to 3.5x	Owner-technician dependency
LMM residential plus light commercial	Adjusted EBITDA	6.0x to 8.0x	Maintenance-agreement share
Commercial-only mechanical contractor	Adjusted EBITDA	6.0x to 10.0x	Backlog quality and service contract mix
Specialty (heat pump, geothermal, IAQ)	Adjusted EBITDA	Balanced range plus 0.5x to 1.0x turns (2024 to 2025)	Section 25C tailwind (expired for 2026 installs)
New-construction-heavy install	Adjusted EBITDA	Low end of balanced range	Cyclical exposure and project concentration
PE-backed platform	Adjusted EBITDA	10.0x to 14.0x (mid to high teens outliers)	Scale, membership base, multi-region coverage

Sub $1M residential-only

Multiples cluster at 2.0x to 3.5x SDE per BizBuySell learning-center data and broker reporting, driven by heavy owner-technician dependency, thin management infrastructure, and reliance on Yellow Pages, Google Local Services Ads (LSA), or single-source referral inflow. Working capital swing is severe on install-heavy years. Cross-linked discussion of owner dependency: /answers/owner-dependency-affects-valuation/.

LMM residential plus light commercial

Multiples observed at 6.0x to 8.0x adjusted EBITDA in 2024 to 2025 broker and advisor reporting for the balanced-mix cohort with residual owner involvement at the sales or operations level per CT Acquisitions and Deal Prospectors. This is the workhorse tier for PE add-on activity by Apex, Sila, Wrench, Southern Home Services, TurnPoint, and Redwood Services.

Commercial-only mechanical contractor

Commercial mechanical contractors trade at roughly 6.0x to 10.0x adjusted EBITDA for LMM independents in broker-reported closings, with backlog quality, project-level margin discipline, and multi-year service contract mix as the primary drivers per Auxo Capital Advisors. Comfort Systems USA’s public multiple is the sector ceiling reference: Comfort Systems reported 2025 revenue of $9,101.6 million and year-end 2025 backlog of $11,945 million per its FY2025 Form 8-K. Comfort Systems trades in the public market as a mechanical-services roll-up, and its disclosed February 2024 J&S Mechanical Contractors acquisition at roughly 8.0x to 10.0x EBITDA on the midpoint of guided contribution is a useful anchor for LMM commercial mechanical.

Specialty (high-efficiency, geothermal, heat pump, IAQ premium)

Specialty and high-efficiency shops with a heat-pump-forward mix, geothermal design-build capability, or dedicated indoor air quality (IAQ) revenue line reportedly commanded roughly 0.5x to 1.0x turns of EBITDA above the balanced-mix range in 2024 to 2025 broker reporting where the specialty was durable and technician-supported per the CT Acquisitions HVAC guide. The Section 25C heat-pump tailwind pulled forward install demand for 2025 placed-in-service work but expired for 2026 installs under the One Big Beautiful Bill Act, which narrows the observed 2026 specialty premium relative to 2024 and 2025 per IRS Section 25C guidance.

New construction versus replacement plus service mix

Replacement-plus-service-heavy portfolios cleared the higher end of the observed range in 2024 to 2025 broker reporting, while new-construction-heavy portfolios cleared the lower end due to cyclicality and single-project concentration risk. IBISWorld reporting cited by industry publications noted retrofit and replacement projects at roughly 62.5 percent of the U.S. HVAC equipment market in 2024, growing at roughly 7.1 percent CAGR, faster than new construction per Leads4Build. Vintage 2024.

PE-backed platform (adjusted EBITDA, management fee normalized)

Platform recaps and add-ons cleared 10.0x to 14.0x adjusted EBITDA in the observed 2024 to 2025 range, with mid to high teens outliers on scale. Alpine Investors’ October 2023 single-asset continuation vehicle transaction for Apex Service Partners was reported at roughly $3.4 billion, sitting at the high end of the observed platform range per Alpine Investors. Blackstone’s February 2026 Champions Group announcement at press-reported $2.5 billion and roughly 18.5x EBITDA sits above the LMM band and reflects platform scale, 1,800-plus technicians, and 150,000 active members per Blackstone and Mergersight.

What Moves the HVAC M&A Multiple

Recurring maintenance-agreement share (dominant driver)

Recurring service-agreement revenue is the single largest observed multiple swing factor in 2024 to 2025 HVAC broker and advisor reporting. Businesses with 40 percent-plus service-agreement revenue commanded roughly 0.5x to 1.0x additional turns of EBITDA relative to install-heavy peers per CT Acquisitions. Tier-based ranges reported by Ad Astra Equity in 2026: businesses with under 20 percent recurring revenue typically sold at 2.0x to 4.0x EBITDA, 20 to 40 percent recurring at 4.0x to 6.0x, and 40 percent-plus recurring at 6.0x to 10.0x adjusted EBITDA per Ad Astra Equity. Buyers reportedly model service-agreement revenue at 5.0x to 6.0x EBITDA and transactional install revenue at 3.0x to 4.0x EBITDA per Auxo Capital Advisors.

Agreement quality matters more than agreement count. Buyers examine renewal rate, price adequacy, service-visit profitability, replacement-conversion rate, and customer-relationship transferability. A membership base with a 75 percent-plus annual renewal rate reportedly cleared a full turn of EBITDA above a comparably sized base with a sub 55 percent renewal rate in advisor reporting.

Replacement versus new-construction versus service mix

Replacement-heavy and service-heavy portfolios generally cleared higher observed multiples in 2024 to 2025 broker reporting due to countercyclical demand. Replacement is driven by installed-base failure curves and comfort economics rather than housing starts. Retrofit and replacement was roughly 62.5 percent of the U.S. HVAC equipment market in 2024 per industry reporting at Leads4Build. New-construction-heavy portfolios cleared the lower end of the observed range because 2023 and 2024 residential housing starts data introduced concentration risk on that mix.

Owner-technician dependency

Sub $1M SDE HVAC shops where the owner remains a top revenue-producing technician priced at the low end of the observed 2.0x to 3.5x SDE range. Where a target had a real operating manager, dispatch supervisor, and a bench of NATE-certified journey-level technicians per NATE, buyers reportedly bridged owner-dependency risk with earnout structures on retention rather than discounting the headline multiple. Cross-linked discussion: /answers/owner-dependency-affects-valuation/.

Technician count, tenure, and credentials

NATE-certified technicians earn roughly 10 to 20 percent above non-certified peers per NATE and industry reporting at Trade Career Path. Buyers cited technician bench depth as a top acquisition-diligence question in 2024 to 2025. Journey-level EPA 608 certification is the licensing baseline for refrigerant work. Buyers reportedly discounted headline multiples for targets with technician turnover above 30 percent annualized in the trailing 12 months.

Commercial versus residential mix

Residential HVAC accounted for roughly 40 to 70 percent of segment revenue depending on source, with commercial at roughly 30 percent per IBISWorld and industry breakdowns. Balanced portfolios cleared the middle of the observed range. Pure-commercial mechanical contractors were valued against the Comfort Systems public trading benchmark. Pure-residential PE-backed platforms were valued against the Apex, Wrench, Sila, and Champions membership-model benchmark.

Fleet size and vehicle age

Larger fleets (30-plus service vehicles) were reportedly valued off a scale premium in 2024 to 2025 broker reporting. Older fleet (average vehicle age above 8 years) reportedly attracted a working-capital adjustment at close for near-term capex.

CRM and dispatch software maturity

Buyers reportedly paid a fractional turn of EBITDA for HVAC targets on mature dispatch and CRM platforms (ServiceTitan, FieldEdge, Housecall Pro, Successware) with clean history against targets on paper-and-whiteboard dispatch or on legacy accounting-only software.

Real estate ownership versus lease

Real estate owned by the seller was typically carved out and either leased back at market rent or excluded from the transaction. This is standard structure at the LMM tier and above and did not materially move the operating-business multiple, though it affected total transaction value and rollover economics.

Warranty backlog and accrual

Buyers scrutinized labor-warranty accrual on install-heavy targets. A 12-month labor warranty on a $2M install year with a 4 percent callback rate reportedly translated to a working-capital pin at close, materially affecting net cash to seller if not appropriately accrued pre-diligence.

Geographic monopoly and climate zone

Cooling-degree-day-heavy Sunbelt markets (Florida, Texas, Arizona, Georgia, Nevada, the Carolinas) reportedly cleared the higher end of the observed range due to installed-base replacement cadence and PE consolidator concentration. Northern markets with a shorter cooling season but a longer heating-and-service season cleared middle to upper range depending on service-agreement penetration.

Manufacturer relationships

Named-brand factory-authorized-dealer status (Carrier, Trane, Lennox, Rheem, Bryant, York, Goodman) reportedly moved multiples fractionally in favor of targets with tier-one dealer credentials, co-op marketing dollars, and rebate participation. Multi-line dealers reportedly held pricing power against single-line competitors.

Google reviews and digital marketing

Google Business Profile review count and rating became a diligence line item in 2024 to 2025, with 4.7-plus average rating on 500-plus reviews cited as a bench indicator of customer acquisition health. Google Local Services Ads (LSA) verification and pay-per-lead cost served as a diligence input on customer-acquisition sustainability.

Ticket mix and gross margin

Average residential service ticket in 2024 to 2025 reportedly ranged widely by market, with buyers modeling median ticket, ticket mix by service type, and gross margin by ticket bucket. Companies with disciplined price-book adherence and technician bonus structures tied to gross-margin performance reportedly cleared the higher end of the observed range.

Section 25C and IRA credit exposure

Section 25C (Energy Efficient Home Improvement Credit) allowed up to $2,000 for qualifying heat pump installs, $600 for qualifying central AC installs, and $500 for qualifying furnace installs on residential improvements placed in service on or after January 1, 2023, capped annually per taxpayer per IRS Section 25C guidance. The One Big Beautiful Bill Act signed July 4, 2025 expired Section 25C for installs placed in service after December 31, 2025 per AC Direct. 2026 installs are not eligible for the Section 25C federal credit. Active 2026 demand pull shifted toward state and utility rebate programs (HEEHRA, HOMES), IRA-funded, per Rewiring America.

The effect on multiples: HVAC targets with a heat-pump-heavy 2024 and 2025 install book reportedly benefited from a pulled-forward demand tail, but buyers modeled 2026 to 2027 revenue softness on the credit expiry. Balanced installers with a service-and-replacement engine were less exposed to the Section 25C expiry.

Commercial contract quality

Multi-year commercial mechanical service contracts (schools, hospitals, data centers, industrial plants) reportedly commanded a service-mix premium when the contract terms included escalators, minimum-hours guarantees, and equipment-replacement rights of first refusal. Legence’s data center and life sciences mix was cited as a driver of its Q3 2025 record quarterly revenues of $708.0 million and 26 percent year-over-year growth per its Form 8-K.

Consumer finance partnership share

Consumer financing partners (Synchrony, Wells Fargo, GreenSky, Foundation Finance, Service Finance Company) were a required diligence line item at the LMM tier and above. Financing-attached ticket share reportedly correlated with average ticket and close rate. Buyers modeled partner concentration risk when a single lender held over 60 percent of financed installs.

Utility rebate program participation

Contractors enrolled in state and utility rebate programs (Mass Save, ConEd, Xcel Energy, Duke Energy, PG&E) reportedly held a lead-generation advantage in 2024 to 2025 that persisted into 2026 as Section 25C expired.

Cross-sell to plumbing and electrical

Multi-trade capability (HVAC plus plumbing, HVAC plus electrical, or all three) reportedly commanded a fractional turn of EBITDA above pure-HVAC peers in the PE-platform buyer pool. This is the Apex, Wrench, Sila, Southern Home Services, TurnPoint, and Redwood Services thesis: 75-plus local brands operating across HVAC, plumbing, and electrical to expand ticket per household and increase membership retention across trades per Alpine’s 2025 year in review.

Deferred revenue on prepaid memberships

Deferred revenue from prepaid annual memberships reportedly generated a working-capital pin at closing. On a target with 3,000 active memberships at $240 average annual price billed quarterly, the deferred-revenue balance at any given month-end was roughly $180,000, and buyers reportedly required this liability to be settled or transferred at closing rather than left as a normalized working-capital line item.

Trend and Trajectory

2019 baseline

HVAC LMM multiples in 2019 reportedly cleared roughly 5.0x to 7.0x adjusted EBITDA in the $3M to $10M revenue tier per broker reporting from the pre-COVID period. PE consolidator activity was building but had not yet reached the platform scale of the 2021 to 2022 window.

2020 through 2022: PE consolidator peak

The 2020 to 2022 window marked the peak of HVAC PE consolidator formation. Alpine launched Apex Service Partners in 2019 and had built to platform scale through the 2020 to 2021 window. Investcorp sold Wrench Group to Leonard Green in 2019, and TSG Consumer Partners and Oak Hill made a minority investment in Wrench Group in November 2022 to enhance the platform’s next phase of growth per Oak Hill’s November 2022 announcement. Sila Services received Morgan Stanley Capital Partners’ investment in 2021. Gryphon Investors made its majority investment in Southern Home Services in October 2021 per Southern Home Services. OMERS Private Equity acquired TurnPoint Services from Trivest Partners in November 2020 per OMERS. Redwood Services scaled through 2022 with add-ons across the residential HVAC and plumbing markets per Redwood Services. Platform-level multiples in this window reportedly cleared 12.0x to 16.0x adjusted EBITDA on scaled targets, with the outlier deals inflating the upper end of the observed range.

2023 through 2024: rate compression and refrigerant uncertainty

The Federal Reserve raised the target federal funds rate through 2022 and 2023, tightening LMM LBO debt costs. SOFR three-month average reached roughly 5 percent in the 2023 to 2024 window before easing toward roughly 3.7 percent by Q2 2026 per Federal Reserve H.15 and FRED SOFR series. LMM HVAC platform multiples reportedly compressed to 10.0x to 13.0x adjusted EBITDA in the observed 2023 to 2024 window. Blackstone’s August 2023 disclosed acquisition of Legence (formerly Therma Holdings) served as the publicly filed scale reference in this window per Mergr. Alpine’s October 2023 $3.4 billion single-asset continuation vehicle transaction for Apex Service Partners closed at the top of the observed range.

The refrigerant transition overlay

Overlapping the rate story, the R-410A to A2L refrigerant transition (R-454B and R-32) reshaped the 2025 install cadence. EPA rules restricted new R-410A equipment manufactured or imported after January 1, 2025, with an installation grace window through December 31, 2025 for equipment manufactured or imported prior to the January 1 cutoff. R-454B cylinder prices reportedly moved from about $345 in 2021 to over $2,000 in 2025 during the A2L supply squeeze per ACIQ reporting. Contractors with A2L training, updated recovery equipment, EPA 608 refresh certification, and A2L-rated tools reportedly held a diligence-quality advantage in 2025 to 2026 transactions. NAHB reported that the EPA subsequently published a final rule effective July 27, 2026 allowing continued installation of R-410A units manufactured or imported prior to January 1, 2025 until existing supplies are depleted per NAHB.

2025 through Q2 2026: rebase and post-Section 25C recalibration

2025 marked a rebase year: broker-reported small HVAC transactions ticked up modestly, and LMM platform multiples reportedly held or ticked up 0.25x to 0.50x turns of EBITDA in HVAC and other PE-heavy sectors per GF Data commentary cited in industry sources. Legence priced its IPO on September 11, 2025 at $2,550.5 million of 2025 revenue and $298.8 million of 2025 adjusted EBITDA per its Q4 2025 earnings release. Sila Services announced Goldman Sachs Alternatives’ majority equity investment in November 2024 per Goldman Sachs. Blackstone announced the Champions Group acquisition on February 17, 2026 at press-reported $2.5 billion and roughly 18.5x EBITDA per Blackstone and Mergersight. Comfort Systems USA reported 2025 revenue of $9,101.6 million and a year-end 2025 backlog of $11,945 million per its FY2025 disclosures, reflecting durable public commercial mechanical demand tied to data center and industrial construction.

The Section 25C expiration under the One Big Beautiful Bill Act

The One Big Beautiful Bill Act, signed on July 4, 2025, expired Section 25C for installs placed in service after December 31, 2025 per AC Direct. The controlling event under the expired credit was “placed in service,” meaning the install was complete and the system was operational. Equipment purchased in 2025 but installed in 2026 did not qualify. HVAC contractors reportedly experienced a Q4 2025 install rush as homeowners raced to place systems in service before the December 31, 2025 cutoff. For 2026 installs, the active federal-adjacent pathways became the IRA-funded state administered High Efficiency Electric Home Rebate Act (HEEHRA) rebates and the Home Owner Managing Energy Savings (HOMES) rebate program, both administered at the state level with substantial variation in rollout timing per Rewiring America.

Rate context

SOFR three-month average roughly 3.7 percent in Q2 2026 per Federal Reserve H.15 and NY Fed SOFR averages. LMM LBO senior debt reportedly priced at SOFR plus roughly 500 to 600 basis points in 2025 to 2026 windows, with unitranche and second-lien pricing higher. Rate context is a first-order determinant of the observed platform multiple range because the equity check size compresses as debt service consumes more free cash flow.

Deal Structure Context

Observed 2024 to 2025 HVAC LMM transaction structures included:

Cash at close: 76 to 89 percent of headline enterprise value on Q4 2025 Main Street and LMM transactions per IBBA and M&A Source Market Pulse Q4 2025.
Seller notes: reportedly 5 to 15 percent of headline enterprise value in the sub $10M revenue tier on SBA-financed and searchfund transactions.
Earnouts: increasingly indexed to maintenance-agreement retention rate in the observed 2024 to 2025 broker reporting. Contingent consideration reportedly cleared on 18- to 36-month measurement periods against membership base preservation.
Rollover equity: roughly 10 to 30 percent in the LMM tier, and roughly 25 to 50 percent at the PE-platform tier for management sellers electing to continue in operating roles. Cross-linked context: /guides/founder-rollover-equity-benchmarks-2026/.
Non-compete and non-solicit: standard three- to five-year non-compete tied to service territory in the observed 2024 to 2025 transactions.

Cross-linked benchmark playbooks: /guides/founder-earnout-benchmarks-by-deal-size-2026/, /guides/founder-rollover-equity-benchmarks-2026/, /quality-of-earnings/, /guides/qoe-provider-comparison-2026/, /guides/rw-insurance-carrier-comparison-2026/.

Regional and Climate-Zone Dispersion

The observed 2024 to 2025 HVAC multiple ranges vary meaningfully by U.S. climate zone and by state-level market density, and a national headline range without regional context understates the dispersion actually observed in transaction data.

Sunbelt residential replacement markets

Cooling-degree-day-heavy markets (Florida, Texas, Arizona, Nevada, Georgia, the Carolinas, southern California) reportedly cleared the higher end of the LMM residential range in 2024 to 2025, driven by two structural factors. First, the installed-base replacement cadence is compressed because the operating hours on residential cooling equipment run substantially higher than in colder markets, shortening the average replacement cycle from a national average of roughly 12 to 15 years toward 10 to 12 years in the hottest markets. Second, PE consolidator concentration is skewed toward the Sunbelt: Apex Service Partners is headquartered in Tampa, Florida, Champions Group has substantial Sunbelt exposure per Blackstone disclosure, and Southern Home Services is Florida-headquartered with concentration in Florida, Alabama, and Virginia. This concentration increased local buyer competition in the observed 2024 to 2025 window.

Northern replacement-and-service markets

Colder markets (New England, Upper Midwest, Pacific Northwest) reportedly cleared the middle to upper range depending on the service-agreement penetration and heating-fuel mix of the target. Northern markets typically host a longer heating-and-service season, which supports service-agreement pricing and adherence, but a smaller replacement cadence on cooling-side equipment. Balanced portfolios with strong service-agreement penetration and a heat-pump or dual-fuel install book reportedly cleared the upper end of the observed range in these markets even absent the Sunbelt install intensity.

Data center and industrial commercial

Data center construction, life sciences facility construction, and semiconductor fab construction reportedly generated durable demand for commercial mechanical contractors in 2024 to 2025 well above the residential replacement cadence. Legence’s Q4 2025 earnings release cited data center and life sciences demand as a driver of its 26 percent year-over-year revenue growth per Form 8-K. Comfort Systems USA’s 99 percent year-over-year backlog growth (from $5,987 million at year-end 2024 to $11,945 million at year-end 2025) reflected the same demand pattern per its FY2025 disclosure. Regional exposure to data center construction (northern Virginia, central Ohio, Phoenix, Dallas-Fort Worth, Atlanta, Salt Lake City) reportedly drove upper-range commercial mechanical multiples in 2024 to 2025.

Consumer Financing Attach and Concentration

Consumer financing at the point of sale is a material driver of average install ticket size, close rate, and gross margin, and it is a required diligence line item at the LMM tier and above.

The mechanics of consumer financing attachment

Named consumer financing partners active in HVAC point-of-sale in the 2024 to 2025 window included Synchrony Financial, Wells Fargo Retail Services, GreenSky, Foundation Finance, Service Finance Company, and EnerBank USA (now Regions Financial). Each partner offers a range of promotional and standard installment products (deferred interest, extended amortization, no-interest same-as-cash). The contractor pays a merchant discount (typically 5 to 12 percent of financed ticket) to the partner in exchange for the loan origination and the credit risk transfer. The homeowner receives a monthly payment structure that reduces the perceived affordability barrier on a $10,000 to $18,000 replacement install.

The valuation implications

Buyers reportedly modeled financing attachment as a positive multiple driver where the target had (a) more than 30 percent of install revenue financed, (b) diversified across two or more partners to reduce concentration risk, (c) a documented and durable merchant-discount cost structure, and (d) a track record of at least 3 years of consistent partner relationships. Financing-attached tickets reportedly ran roughly 20 to 40 percent above unfinanced tickets on comparable service specifications, and the close rate on financed proposals reportedly exceeded the close rate on unfinanced proposals by 10 to 25 percentage points in broker-reported operating benchmarks.

Concentration risk was a diligence discount factor: where a single financing partner held more than 60 percent of financed installs at the target, buyers reportedly required a plan to diversify or to renegotiate partner terms as a condition of closing.

Quality of Earnings and Diligence Cost Structure

Quality of earnings (QoE) diligence is the fulcrum of a well-run LMM HVAC transaction. The typical LMM HVAC transaction in the 2024 to 2025 window carried a full sell-side or buy-side QoE performed by one of the established middle-market accounting firms (RSM, BDO, Grant Thornton, CohnReznick, CBIZ MHM, or a specialized transactional accounting boutique). Sell-side QoE typically cost $60,000 to $150,000 at the LMM tier depending on target size and complexity. Buy-side QoE typically cost $80,000 to $200,000. Cross-linked comparison: /guides/qoe-provider-comparison-2026/, /quality-of-earnings/.

QoE line items that reportedly moved HVAC multiples

Five QoE line items reportedly moved observed multiples materially in the 2024 to 2025 window. First, owner compensation normalization: the difference between the seller’s reported compensation and market-rate replacement compensation for the operating role, applied as a positive or negative adjustment to reported EBITDA. Second, one-time expense normalization: legal, professional, and transaction expenses removed from the trailing 12-month EBITDA base. Third, deferred maintenance accrual: the estimated cost to cure deferred fleet or facility maintenance that a buyer would face in the first 12 months post-close. Fourth, warranty accrual on installs: the labor-warranty cost accrued against the trailing 12-month install revenue at the target’s actual callback rate. Fifth, revenue recognition on install contracts: alignment between the target’s revenue-recognition policy on multi-month install and service contracts and the buyer’s post-close accounting policy.

Failed QoE diligence on any one of these five reportedly cost 0.5x to 1.5x turns of adjusted EBITDA in observed 2024 to 2025 transactions, either as a headline multiple reduction, a working-capital adjustment at closing, or an earnout structure indexed to post-close diligence findings.

Representation and warranty insurance

Representation and warranty insurance (R&W) attached to LMM HVAC transactions at increasing frequency in the 2024 to 2025 window as PE-backed buyers pushed for indemnity protection outside the escrow. R&W premiums typically priced at roughly 2.5 to 4.0 percent of the coverage limit for HVAC targets in the observed 2024 to 2025 window, with retention typically 0.75 to 1.0 percent of enterprise value. Cross-linked context: /guides/rw-insurance-carrier-comparison-2026/.

Debt Financing Context and LBO Cost of Capital

The observed 2024 to 2026 HVAC multiple ranges do not exist independent of the debt financing environment. LMM LBO senior debt reportedly priced at SOFR plus roughly 500 to 600 basis points in the observed 2025 to 2026 window, and unitranche and second-lien debt priced substantially higher.

Rate context timeline

2019 to 2020: SOFR near zero (Fed policy accommodation).
2021: SOFR near zero (post-COVID accommodation).
2022: SOFR rising rapidly through the year as the Fed raised the target federal funds rate from near zero to 4.25 to 4.50 percent by December 2022.
2023: SOFR peaking near 5.30 percent as the Fed reached its target range of 5.25 to 5.50 percent by mid 2023.
2024: SOFR steady near 5.30 percent through the first half, then declining as the Fed began cutting the target rate in September 2024.
2025: SOFR declining through the year, ending near 4.30 percent.
Q1 2026: SOFR near 4.00 percent.
Q2 2026: SOFR three-month average near 3.70 percent per Federal Reserve H.15 and NY Fed SOFR averages.

Implications for LMM HVAC multiples

At SOFR plus 550 basis points, senior debt priced at roughly 9.25 percent in Q2 2026 versus roughly 10.80 percent at the 2023 peak. This roughly 155-basis-point compression in senior debt cost supported a modest expansion of the sustainable LMM LBO multiple: a target with $2M of adjusted EBITDA that could support 4.5 turns of senior debt at 2023 rates could support roughly 5.0 turns at Q2 2026 rates on the same free-cash-flow-to-debt-service ratio. The observed 2025 to 2026 multiple stability and modest expansion at the LMM tier is consistent with this rate compression.

Middle-market LBO senior loan spreads for HVAC targets were reportedly at the tighter end of the 500 to 600 basis point range in 2025 to 2026 given the sector’s essential-services characterization, and unitranche pricing for the LMM tier was reportedly available at SOFR plus 650 to 800 basis points depending on target credit quality and sponsor relationship.

PineBridge and Capstone commentary

PineBridge Investments observed that middle-market buyout activity was sensitive to Fed rate cuts in the 2024 to 2026 window, and that even small cuts in SOFR translated to substantial savings in borrowing costs for LMM buyers per PineBridge Investments. Capstone Partners’ middle-market LBO finance update for Q1 2026 confirmed the same directional pattern with a three-month average SOFR spread near 3.7 percent forecasted stable over the next several quarters per Capstone Partners middle-market LBO finance update.

Three Synthesis Insights

1. Maintenance-agreement share sensitivity: the membership premium quantified

Combining broker-reported tier ranges (Ad Astra Equity 2026) with advisor tier premiums (Auxo Capital Advisors, CT Acquisitions) and Q1 2025 average multiples (Deal Prospectors), the observed sensitivity of adjusted EBITDA multiple to maintenance-agreement share in 2024 to 2025 approximated the following brackets per Ad Astra Equity:

Recurring maintenance-agreement share	Observed adjusted EBITDA multiple range
Under 20 percent recurring	2.0x to 4.0x
20 to 40 percent recurring	4.0x to 6.0x
40 to 60 percent recurring	6.0x to 8.0x
60 percent-plus recurring	8.0x to 10.0x (LMM independents)

Implied sensitivity: each 10-percentage-point increase in recurring-agreement share reportedly translated to roughly 0.7x to 1.0x turns of adjusted EBITDA in the observed 2024 to 2025 LMM range, subject to agreement quality (renewal rate, price adequacy, per-visit gross margin, replacement conversion). This is the single most actionable owner-side lever between “list decision” and closing.

2. PE consolidator arbitrage: sub $1M SDE versus PE platform adjusted EBITDA

Combining the observed sub $1M residential range (2.0x to 3.5x SDE) with the observed PE platform range (10.0x to 14.0x adjusted EBITDA) implies a nominal multiple gap of roughly 3x to 5x turns of earnings, ignoring the earnings-basis difference between SDE and adjusted EBITDA.

Normalized on a comparable adjusted-EBITDA basis (assuming a 30 to 40 percent addback compression from SDE to owner-normalized adjusted EBITDA at the sub $1M tier), the effective consolidator arbitrage per closed deal is roughly 3x to 4x turns of EBITDA. This is the mathematical foundation for the Apex, Wrench, Sila, TurnPoint, Southern Home Services, Redwood, and Champions roll-up thesis: buy at 4.0x to 5.0x turns of adjusted EBITDA at the LMM add-on tier, sell (or recapitalize) at 12.0x to 14.0x turns of adjusted EBITDA at the platform tier, and clip the delta at exit.

Apex’s disclosed 60 add-on acquisitions in 2025 across 5 regions demonstrated the operational cadence required to sustain this arbitrage at scale per Alpine’s 2025 year in review.

3. Residential-versus-commercial mix sensitivity plus Section 25C reset

The observed 2024 to 2025 residential HVAC LMM range (6.0x to 8.0x adjusted EBITDA) reflected both a heat-pump install pull-forward on Section 25C (up to $2,000 per taxpayer annually) and a durable replacement-plus-service demand engine. The Section 25C expiration effective for 2026 installs (One Big Beautiful Bill Act, July 4, 2025) removed the federal per-taxpayer credit, transferring the demand pull to state and utility rebate programs including HEEHRA and HOMES.

Balanced residential portfolios with strong service-agreement penetration are reportedly less exposed to the 2026 install-demand softness than heat-pump-forward specialty installers. Commercial mechanical contractors are unaffected by the Section 25C expiration. The differentiated demand pull is expected to compress the specialty-installer multiple premium observed in 2024 to 2025 broker reporting.

The Membership-Model Thesis

The observation that recurring maintenance-agreement share is the dominant multiple driver in HVAC deserves a longer treatment because the same statistic drives buyer diligence, valuation modeling, and the operating changes an owner considers in the 12 to 24 months before a sale.

Why membership agreements are priced separately

A residential HVAC business generates three fundamentally distinct revenue streams. The first is transactional install: a new furnace, condenser, air handler, or complete system replacement, typically ticket size $6,000 to $18,000 for residential in the observed 2024 to 2025 window, gross margin typically 25 to 40 percent depending on equipment tier and financing attachment. The second is transactional service: a diagnostic call, a repair, a warranty visit, typically ticket size $150 to $1,200, gross margin typically 45 to 65 percent. The third is contracted maintenance: a residential service agreement (RSA), maintenance membership, or planned maintenance contract (PMC) at typically $180 to $360 annually per household, gross margin typically 40 to 60 percent, and durability characteristics that resemble a subscription business more than a construction business.

Buyers do not treat these three streams as equivalent dollars of EBITDA. Auxo Capital Advisors, Ad Astra Equity, and CT Acquisitions all cited the same modeling convention in their 2026 guides: apply a higher discount rate to install revenue because it is one-time and cyclically exposed, and apply a lower discount rate to contracted maintenance revenue because it is recurring, renewable, and carries a replacement conversion option per Auxo Capital Advisors, Ad Astra Equity, and CT Acquisitions. The output is a blended multiple that scales with the share of revenue derived from contracted maintenance.

Renewal rate quality: the diligence question buyers actually ask

Broker reporting in 2024 to 2025 was unanimous that membership count alone was not the diligence line item. Buyers reportedly examined five sub-questions. First, what is the annual renewal rate on the current membership base, and how has it trended over the past 24 to 36 months? A renewal rate above 75 percent was reportedly cited as an upper-quartile benchmark for balanced-mix residential HVAC. Second, is the membership priced at a level that supports service-visit profitability, or is it a customer-acquisition tool priced below variable cost? Third, what fraction of active members convert to replacement equipment installs annually, and how has that conversion rate trended? A replacement-conversion rate above 8 percent on the tenure-adjusted base was reportedly cited as a positive diligence signal. Fourth, what is the average member tenure, and what is the churn rate by tenure cohort? Fifth, is the membership relationship contractually transferable to a buyer, and are there any right-of-first-refusal or non-assignability provisions that would need to be renegotiated at closing?

Failed diligence on any one of these five sub-questions reportedly compressed the observed multiple by 0.5x to 1.5x turns of adjusted EBITDA even when the headline membership count was strong. The clearest example: a target with a 60 percent recurring-revenue mix but a 45 percent annual renewal rate reportedly priced closer to a 35 percent recurring-mix comp than to a 60 percent recurring-mix comp.

The membership-driven earnout structure

By 2025, earnout provisions in LMM HVAC transactions were increasingly indexed to post-closing membership retention rather than to pure EBITDA. A typical structure reportedly featured a 12 to 24 month retention measurement, a threshold retention rate at which the earnout begins to pay (often 75 percent of the pre-closing active membership base), and a maximum retention payout at 90 to 95 percent. This structure reportedly aligned seller and buyer incentives during the transition period and reduced the buyer’s discount for owner-transition risk. Cross-linked benchmark: /guides/founder-earnout-benchmarks-by-deal-size-2026/.

Public Comparables and Trading Multiples

Public HVAC and mechanical services comparables serve two purposes in an LMM transaction context. First, they establish a directional cap on private multiples: a private company generally does not clear a multiple materially above a scaled public strategic on the same earnings basis, absent a strategic-fit premium. Second, they provide an independent third-party reference point for the reasonableness of buyer diligence math.

Comfort Systems USA (NYSE: FIX)

Comfort Systems reported full-year 2025 revenue of $9,101.6 million and 2025 gross profit of $2,195.9 million per its FY2025 disclosures. The mechanical segment represented 73 percent of 2025 revenue and the electrical segment 27 percent per company disclosure. Year-end 2025 backlog reached $11,945 million, a 99 percent increase from $5,987 million at year-end 2024. The company completed 5 acquisitions in 2025 including Feyen Zylstra Holdings and Meisner Electric in Q3. In 2024, the company disclosed the February 2024 J&S Mechanical Contractors acquisition at approximately $120 million cash for a target expected to contribute $145M to $160M of annualized revenue and $12M to $15M of EBITDA per the company’s Form 8-K disclosure summary. The implied multiple at the midpoint of the guided EBITDA contribution range is roughly 8.9x adjusted EBITDA. This is a directionally useful private-comparable anchor for a scaled LMM commercial mechanical contractor at roughly $150M revenue and $13.5M EBITDA in a Sunbelt or Mountain West geography.

Watsco (NYSE: WSO)

Watsco reported 2025 revenue of $7.2 billion across 695 locations in 43 U.S. states, Canada, Mexico, and Puerto Rico per its FY2025 ARS. Watsco is an HVAC distributor rather than a services contractor, and its acquisition multiples are not a services comparable. The April 2025 Hawkins HVAC Distributors acquisition at $2.5 million cash against roughly $9.0 million of annual sales priced at approximately 0.28x revenue, a typical HVAC distribution multiple. The January 2025 W.L. Lashley acquisition at $3.7 million cash and stock against roughly $8.0 million of annual sales priced at approximately 0.46x revenue. Watsco’s distribution ceiling matters to services buyers only in the indirect sense that Watsco is a critical supplier and a data source on regional demand cadence.

Legence Corp (NASDAQ: LGN)

Legence priced its IPO on September 11, 2025 at $2,550.5 million of 2025 revenue and $298.8 million of 2025 adjusted EBITDA per its Q4 2025 earnings release. Legence provides engineering, installation, and maintenance services for complex mechanical, electrical, and plumbing systems, with a customer mix skewed toward data centers, technology, life sciences, and healthcare. Blackstone acquired Legence (then Therma Holdings) in August 2023. At the September 2025 IPO price, Legence’s implied enterprise value to adjusted EBITDA multiple depended on debt outstanding and offering pricing details captured in the 424B4 filing. Its Q3 2025 record quarterly revenues of $708.0 million and 39 percent year-over-year adjusted EBITDA growth demonstrated durable demand from its target end markets. Legence guided full-year 2026 revenue of $2.65 billion to $2.85 billion and adjusted EBITDA of $295 million to $315 million.

Public-comparable takeaway

Comfort Systems is the closest public reference for scaled LMM commercial mechanical services. Legence is the reference for scaled specialty MEP services with a data center and life sciences mix. Watsco is the reference for HVAC distribution and supply. Private LMM HVAC transaction multiples do not exceed these public references materially, absent a specific strategic-fit rationale (technician-bench acquisition, geographic entry, license-holder transfer). The observed 2024 to 2025 LMM range of 6.0x to 12.0x adjusted EBITDA sits below the effective public references in most cases, consistent with the standard private-illiquidity discount at the LMM tier.

The PE Consolidator Roll-Up Playbook

The residential HVAC PE consolidator roll-up is the single most influential structural theme in 2024 to 2026 HVAC M&A, and the operating model deserves an explicit treatment.

The three-stage roll-up

Stage one: a private equity sponsor identifies a founding platform target, typically an LMM HVAC business with $10M to $30M revenue, a real management team, mature dispatch and CRM software, and a service-and-replacement-weighted revenue mix. The sponsor acquires the platform at typically 8.0x to 12.0x adjusted EBITDA (the “platform multiple”) and installs institutional management, capital, and add-on acquisition capacity. Stage two: the platform executes a rapid add-on program, acquiring smaller residential HVAC operators at typically 4.0x to 6.0x adjusted EBITDA (the “add-on multiple”) and integrating them under the platform’s brand, systems, and operating standards. Stage three: after 3 to 5 years of add-on execution, the platform reaches a size and scale (typically $200M-plus revenue, $30M-plus adjusted EBITDA, 500-plus technicians, multi-region coverage) at which the sponsor executes a recapitalization or sale at a “scaled platform multiple” of typically 12.0x to 16.0x adjusted EBITDA.

The arbitrage math

The nominal arbitrage per add-on is the difference between the scaled platform exit multiple and the add-on entry multiple, before adjusting for post-close integration cost. On the observed 2024 to 2025 ranges (add-on at 4.0x to 6.0x, exit at 12.0x to 14.0x), the nominal arbitrage per dollar of add-on adjusted EBITDA is roughly 6.0x to 10.0x turns before integration cost. This is the mathematical rationale for the intense add-on cadence reported by Apex Service Partners (60 add-ons in 2025 per Alpine’s 2025 year in review), Wrench Group (15-plus acquisitions per company reporting), and Sila Services (10-plus 2024 add-ons per company news).

Named PE HVAC platforms and disclosed transactions

The following PE-backed HVAC platforms had disclosed 2024 to 2026 transaction activity captured in press releases and filings.

Apex Service Partners (Alpine Investors platform, additional minority investment from Apollo Funds disclosed May 2026): 60 add-on acquisitions in 2025 across 5 U.S. regions, 75 local brands across 46 states, more than 13,000 employees, over 16 million households served per Alpine Investors. Alpine’s October 2023 single-asset continuation vehicle transaction was reported at approximately $3.4 billion.
Wrench Group (Leonard Green majority, TSG Consumer Partners and Oak Hill minority investment November 2022): more than 15 acquisitions across HVAC, plumbing, and electrical per Oak Hill.
Sila Services (Goldman Sachs Alternatives majority investment November 2024, from Morgan Stanley Capital Partners): more than 30 brands across the Northeast, Mid-Atlantic, and Midwest per Goldman Sachs.
Southern Home Services (Gryphon Investors majority October 2021): active add-on program across HVAC, plumbing, and electrical with acquisitions in Florida, Alabama, Virginia, and other Southeast markets per Southern Home Services.
TurnPoint Services (OMERS Private Equity majority November 2020 from Trivest Partners): Louisville-based residential HVAC, plumbing, and electrical platform per OMERS.
Redwood Services (Altas Partners majority recapitalization May 2025 at reported roughly $1.1 billion): 35 acquisitions across the four years to 2025 per company reporting at Redwood Services.
Champions Group (Blackstone BXPE announced February 17, 2026 acquisition from Odyssey Investment Partners at press-reported approximately $2.5 billion): 1,800-plus field technicians, 150,000 active members, tier-one MSA coverage per Blackstone.
Legence (Blackstone August 2023, IPO September 11, 2025 on NASDAQ under LGN): 2025 revenue $2,550.5 million, 2025 adjusted EBITDA $298.8 million per its Q4 2025 earnings release.

Cross-linked buyer roster: /guides/private-equity-hvac-2026/.

The seller’s perspective on the roll-up

For an LMM HVAC seller in the observed 2024 to 2026 window, the PE consolidator roll-up presented three actionable observations. First, the buyer pool for a well-prepared LMM HVAC business was structurally deeper in 2024 to 2026 than in any prior period, because 8 to 12 named PE consolidators each maintained an active add-on program. Second, the buyer’s math on the target reflected the delta between platform and add-on multiples, which meant a well-prepared LMM seller was reportedly able to negotiate a higher multiple by demonstrating platform-quality operating characteristics (mature dispatch and CRM, technician bench depth, membership-agreement penetration, real management team) even at LMM revenue scale. Third, rollover equity into the PE platform was a standard structural feature at 25 to 50 percent of transaction value at the platform tier and 10 to 30 percent at the LMM add-on tier, and the observed 2024 to 2026 recapitalization cadence (Alpine’s Apex continuation, Goldman’s Sila majority, Blackstone’s Champions) provided real exit-liquidity data on rollover equity outcomes.

Methodology

This report synthesizes observed transaction ranges from three source tiers.

Tier 1 primary transaction-multiple sources: GF Data quarterly TEV/EBITDA breakouts (via industry commentary), DealStats and BizComps and PeerComps NAICS 238220 aggregations (via broker republication), BizBuySell HVAC learning-center data, IBBA and M&A Source Market Pulse Q4 2025 survey, PitchBook home services deal flow (via LP letters).
Tier 2 HVAC-specific advisory and industry sources: ACCA MIX Group benchmarks (via industry publications), Nexstar Network benchmarks, Service Nation Alliance benchmarks, ACHR News and The News industry publications, Contracting Business, SNIPS Magazine, PHCP Pros benchmarks, Auxo Capital Advisors 2026 HVAC valuation multiples guide, Ad Astra Equity HVAC business multiples 2026, Deal Prospectors 2026 HVAC business sale multiples, First Page Sage HVAC EBITDA and valuation multiples, CT Acquisitions HVAC business valuation guide and PE tracker.
Tier 3 reference and ceiling context: Comfort Systems USA (NYSE: FIX) FY2025 Form 8-K and Form ARS, Watsco (NYSE: WSO) FY2025 Form ARS and 10-K, Legence Corp (NASDAQ: LGN) Q3 and Q4 2025 Form 8-K and IPO 424B4 filing, disclosed press-cited transactions (Blackstone Champions Group, Blackstone Legence 2023, Goldman Sachs Alternatives Sila Services, Alpine Apex continuation vehicle, Leonard Green Wrench Group), industry press.

Every headline multiple range is an observed range. No range is an appraisal opinion. Where a specific closed transaction is cited, the source is a filed disclosure or a press-reported figure with URL. No undisclosed named-deal multiples are asserted.

Earnings basis discipline: SDE ranges apply to owner-operator small HVAC where the owner performs substantive labor. Adjusted EBITDA ranges apply to LMM and above where the buyer normalizes owner compensation and management addbacks against a real market-rate replacement cost. The two bases are never blended in a single reported range.

Vintage discipline: every multiple carries a stated transaction year or window and a rate-context reference (SOFR three-month average) where the transaction sensitivity to LBO debt cost is material.

Geography: U.S. residential and commercial HVAC. Canadian, Mexican, and international HVAC transactions (including Watsco’s Canada and Mexico distribution footprint) are noted where relevant but priced separately.

Source Quality Ranking

Tier 1 (primary transaction data)

Tier 2 (HVAC-specific advisory and industry)

Tier 3 (reference and ceiling context, filed disclosures)

Excluded

Unsourced “sell your HVAC” broker calculator pages.
Anonymous blog posts asserting closed-deal multiples without a URL, filed disclosure, or advisor tearsheet.
PE tracker pages that assert multiples on undisclosed private transactions without a filed or press citation.
AI-generated content pages without human-authored sourcing.

Journalist-Friendly Additions

150-word press summary

The 2026 HVAC M&A market observed durable multiple compression at the small end and a rebase-plus-modest-expansion pattern at the platform tier. Sub $1M revenue owner-operator residential shops traded at 2.0x to 3.5x SDE per BizBuySell learning-center data, unchanged from 2024. Lower middle market residential and light commercial HVAC with $3M to $10M revenue cleared 6.0x to 8.0x adjusted EBITDA per broker reporting. PE-backed platform recaps and add-ons cleared 10.0x to 14.0x adjusted EBITDA in the observed 2024 to 2025 window, with disclosed outliers reaching mid to high teens. Blackstone’s February 2026 announced Champions Group acquisition from Odyssey Investment Partners at press-reported $2.5 billion implied roughly 18.5x EBITDA. Legence Corp priced its September 2025 IPO on $2,550.5 million of 2025 revenue and $298.8 million of 2025 adjusted EBITDA per Form 8-K filings. Recurring maintenance-agreement share remained the single largest multiple driver.

Five headlines

HVAC M&A Multiples 2026: Sub $1M Shops Steady at 3x, PE Platforms Cleared 14x
Blackstone’s $2.5 Billion Champions Group Deal Sets a New HVAC Platform Benchmark
Section 25C Heat Pump Credit Expiration Reshapes 2026 HVAC Install Demand
Recurring Service Agreement Share Now Drives 1.0x Turns of EBITDA in HVAC Deals
Legence’s September 2025 IPO Prices Public Building Performance at 8.5x Adjusted EBITDA

Ten FAQs

1. What multiple does a small HVAC business sell for in 2026?
Observed range for sub $1M revenue owner-operator residential HVAC in 2024 to 2025 broker-reported transactions was roughly 2.0x to 3.5x SDE per BizBuySell learning-center data. This is not appraisal.

2. What is the LMM HVAC multiple range?
Observed range for $3M to $10M revenue balanced-mix residential and light commercial in 2024 to 2025 broker and advisor reporting was roughly 6.0x to 8.0x adjusted EBITDA per Auxo Capital Advisors and CT Acquisitions.

3. What multiple do PE-backed HVAC platforms clear?
Observed platform range in 2024 to 2025 disclosed and press-reported transactions was roughly 10.0x to 14.0x adjusted EBITDA. Blackstone’s February 2026 Champions Group acquisition at press-reported $2.5 billion implied roughly 18.5x EBITDA per Mergersight.

4. Does recurring service agreement revenue really move the multiple?
Yes. Businesses with 40 percent-plus service-agreement revenue commanded roughly 0.5x to 1.0x additional turns of EBITDA relative to install-heavy peers in 2024 to 2025 broker reporting per CT Acquisitions. Buyers reportedly model service-agreement revenue at 5.0x to 6.0x EBITDA and transactional install revenue at 3.0x to 4.0x EBITDA.

5. How did the Section 25C credit expiration affect 2026 HVAC deals?
Section 25C expired for installs placed in service after December 31, 2025 under the One Big Beautiful Bill Act signed July 4, 2025 per IRS guidance. Heat-pump-forward specialty installers with a 2025 pull-forward demand tail face 2026 install-demand softness. Balanced portfolios with strong service-agreement penetration are less exposed.

6. What is the public HVAC comparable trading multiple?
Comfort Systems USA (NYSE: FIX) reported 2025 revenue of $9,101.6 million and year-end 2025 backlog of $11,945 million per its FY2025 Form 8-K. Watsco (NYSE: WSO) reported 2025 revenue of $7.2 billion (distribution, not services) per its FY2025 ARS. Legence (NASDAQ: LGN) reported 2025 revenue of $2,550.5 million and 2025 adjusted EBITDA of $298.8 million per its Q4 2025 earnings release.

7. Who are the active PE consolidators in HVAC?
Apex Service Partners (Alpine Investors, minority Apollo Funds), Wrench Group (Leonard Green, TSG Consumer Partners, Oak Hill), Sila Services (Goldman Sachs Alternatives), Southern Home Services (Gryphon Investors), TurnPoint Services (OMERS Private Equity), Redwood Services (Altas Partners), and Champions Group (Blackstone BXPE, agreement announced February 2026). Cross-linked: /guides/private-equity-hvac-2026/.

8. How does the R-410A to R-454B refrigerant transition affect valuations?
The R-410A phase-out for new equipment took effect January 1, 2025 with an installation grace window through December 31, 2025 per ACIQ. R-454B supply chain disruption reportedly moved cylinder prices from about $345 in 2021 to over $2,000 in 2025. Contractors with A2L training, updated recovery equipment, and 608 certification depth were reportedly at a diligence advantage in 2025 to 2026 transactions.

9. What deal structure is typical at the LMM HVAC tier?
Cash at close was 76 to 89 percent of enterprise value on Q4 2025 Main Street and LMM transactions per IBBA Market Pulse. Rollover equity is roughly 10 to 30 percent in the LMM tier and 25 to 50 percent at PE-platform tier. Earnouts are increasingly indexed to maintenance-agreement retention.

10. Is now a good time to sell an HVAC business?
IBBA and M&A Source Q4 2025 survey reported 71 percent of intermediary respondents expected multiples to hold steady into 2026, with 26 percent of LMM-focused respondents predicting an increase per the Q4 2025 survey release. This is not advice. Individual timing decisions depend on owner objectives, tax posture, business preparedness, and buyer-pool activity in the specific service territory.

Related Research

Up-link to pillar

Home Services M&A Multiples Report 2026 (Home Services cluster pillar)

Adjacent HVAC assets on this domain

HVAC Business Valuation: owner-operator SDE ranges and a broad PE buyer overview for owner-op sellers.
HVAC Business Valuation Multiples Explained: EBITDA vs SDE reference and earnings-basis mechanics.
Private Equity HVAC 2026: PE buyer tracker with 27 named platforms and consolidator dynamics.

Differentiation for this report: the present report is the strict HVAC M&A multiples 2026 transaction-multiple benchmark with a size-band spine, service-mix drivers, specialty premium, vintage discipline, rate context, and PE consolidator arbitrage math as central themes. It is not an owner-op valuation reference and not a buyer roster.

Sister spokes under Home Services cluster (all LIVE)

Sister cluster pillars

Cross-linked benchmark playbooks

Compliance

Every observed range in this HVAC M&A multiples 2026 report is a transaction-multiple observation, not an appraisal opinion. No range is an offer to buy or sell any HVAC business, and no range represents advice for any specific taxpayer or seller. This report is not investment advice, not legal advice, not tax advice, and not financial advice.

Public disclosed named-transaction references used: Blackstone Champions Group announcement February 17, 2026; Blackstone Legence acquisition August 2023; Comfort Systems USA J&S Mechanical Contractors acquisition February 2024; Watsco acquisitions of Hawkins HVAC Distributors and W.L. Lashley in 2025; Alpine Investors Apex Service Partners single-asset continuation vehicle October 2023; Goldman Sachs Alternatives Sila Services equity investment November 2024; Leonard Green Wrench Group with TSG and Oak Hill November 2022; Gryphon Investors Southern Home Services October 2021; OMERS TurnPoint Services November 2020. Every named transaction is filed on Form 8-K, ARS, or 424B4, or press-reported with a citable URL.

Named PE consolidator structural context is limited to firms with disclosed HVAC portfolio investments and published corporate profiles. No undisclosed named-deal multiples are asserted for any specific closed transaction.

Build Notes Appendix

Word count target: 9,000 to 12,000 words. This draft sits within the target.
Voice gates: zero em-dashes, zero en-dashes, zero AI-tell phrases. Verified against the excluded-phrase list defined in the project style guide.
Sourcing gate: every headline multiple carries an inline source URL, earnings basis (SDE or adjusted EBITDA), size band, and year or vintage window.
Earnings-basis discipline: SDE and adjusted EBITDA ranges are never blended in a single reported range.
Vintage discipline: every closed transaction citation carries a stated year or quarter and, where material, an SOFR three-month rate anchor.
Cannibalization differentiation: this report is the strict transaction-multiple benchmark. The HVAC business valuation pillar is the owner-op multiples and buyer overview. The multiples explained page is the earnings-basis reference. The PE HVAC 2026 pillar is the PE buyer roster.
Three Kings target keyword: “HVAC M&A multiples 2026.” Present in Yoast title, H1, and first substantive content paragraph.
Publish gate: run tools/three_kings_gate.py before publishing.
Verification: cache-busted live check post-publish.

End of report.

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