
HVAC & Mechanical M&A
Thinking about selling your HVAC business?
Service agreements, trained technicians, and customers who call you first are what buyers are really acquiring. We help owners of HVAC and mechanical contractors understand what buyers pay for, and run a confidential sale when the time is right.
- Plumbing, heating, and air-conditioning contractor establishments
- 111,207[1]
- 2023, employing about 1.2 million people
- Of those establishments have fewer than 20 employees
- About 89%[1]
- 98,606 of 111,207 in 2023; counts are establishments, not companies
- U.S. homes whose main air conditioning is 15 or more years old
- 21.6 million[3]
- Of 109.5 million homes using air conditioning, 2020 survey; computed from the age rows of EIA table HC7.1
The HVAC contracting market in brief
HVAC and plumbing contracting is a large, fragmented trade. Census counted 111,207 plumbing, heating, and air-conditioning contractor establishments in 2023, employing about 1.2 million people with $89.5 billion in annual payroll. About 89% had fewer than 20 employees.[1]
Demand rests on a large installed base, much of it aging. Of the 109.5 million U.S. homes that use air conditioning, about 21.6 million had main equipment 15 or more years old in EIA’s 2020 survey. Demand for the technicians who service that equipment is expected to grow: BLS projects 11% job growth for HVAC mechanics and installers from 2025 to 2035, much faster than average.[3],[2]
The industry is also working through a refrigerant transition. Under the AIM Act, EPA capped HFC production and consumption at 60% of baseline from 2024, and its 2023 rule required new residential and light commercial air conditioners and heat pumps manufactured or imported from January 1, 2025 to use lower global warming potential refrigerants. Existing systems can be serviced for their useful life.[4]
Because the trade is so fragmented, consolidators often grow one acquisition at a time. These trends tend to favor companies with trained technicians and recurring service agreements, because that is where buyers expect future earnings to come from.
What buyers pay for in an HVAC company
Earnings matter, but buyers look hardest at how much of the revenue repeats and who delivers it.
Service agreements
Maintenance contracts and service agreements bring customers back on a schedule and give a buyer revenue it can count on. Renewal rates and the number of active agreements are among the first figures buyers ask for.
Service and replacement mix
Repair, maintenance, and equipment replacement for existing customers generally carry steadier demand and better margins than bidding new construction.
A technician bench
Licensed, trained technicians who stay are hard to find. Training programs, pay structure, and tenure show a buyer whether the company can keep up with demand.
Customer data
Dispatch, CRM, and service history that show repeat customers, response times, and average ticket give a buyer evidence instead of estimates.
Commercial relationships
Ongoing work for property managers, facilities teams, and building owners tends to repeat year after year and can be harder for competitors to win away.
What gets discounted when you sell an HVAC company
Buyers price these risks into the number or into the deal structure.
Mostly new construction bid work
Revenue that depends on winning the next bid repeats less reliably than service work and is usually weighed more cautiously.
Owner-dependent sales
If customers call the owner and the owner sells every replacement, a buyer has to plan for those relationships leaving.
Technician turnover
High turnover raises recruiting cost and puts service quality and agreement renewals at risk.
Weak job costing
Without clear cost tracking by job or service line, a buyer cannot tell which work is profitable.
One customer or one general contractor
A single large customer or builder supplying much of the revenue leaves the business exposed if that relationship changes.
Who buys HVAC and mechanical contractors
Each type of buyer values service agreements, technicians, and commercial work differently. Reaching more than one is generally how an owner learns what the company is worth.
Private equity backed home services platforms
Investment firms building regional or national residential HVAC, plumbing, and electrical businesses, often keeping the local brand and asking management to stay.
Looks for: Service agreements, a technician bench, and marketing that brings in repeat customers.
Commercial mechanical consolidators
Larger mechanical contractors and service companies adding commercial service and maintenance capacity in new markets.
Looks for: Commercial service contracts, licensed technicians, and relationships with property managers.
Regional contractors
Neighboring HVAC, plumbing, and electrical companies expanding into a new area or adding a trade.
Looks for: Crews, licenses, and customers in the markets they want to enter.
HVAC company due diligence: what to prepare
These are the records buyers ask for first. Owners who gather them before going to market generally move faster and face fewer late surprises.
| Record | What buyers expect to see |
|---|---|
| Service agreement roster | Every active agreement with price, start date, renewal history, and the customer it covers. |
| Technician roster | Licenses, certifications, tenure, pay, and any employment or non-solicitation agreements. |
| Revenue by type | A breakdown of service, replacement, and new construction revenue and margin over several years. |
| Fleet and inventory | Vehicles, tools, and parts inventory with age, condition, and how inventory is counted. |
| Warranty and callback history | Callback rates, warranty claims, and how they were resolved. |
| Financial statements | Several years of reviewed or audited statements, plus a reconciliation of owner compensation and personal expenses. |
Questions owners ask about selling an HVAC company
How do I sell my HVAC business?
Start by gathering what a buyer will ask for: the service agreement roster, revenue split between service, replacement, and new construction, the technician roster, and several years of financial statements. An advisor turns that into a confidential summary, approaches HVAC buyers that fit, and negotiates offers and terms. Owners who have service agreement renewal history ready tend to answer the first round of buyer questions quickly.
How much is my HVAC business worth?
An HVAC business valuation generally depends on earnings and how much of the revenue repeats: service agreements, maintenance work, and replacement for existing customers. Buyers also weigh the technician bench, the mix of residential and commercial work, and how much the business relies on the owner. Two companies with similar revenue can be valued very differently, so a review of several years of results is usually the starting point.
Why do buyers care about service agreements?
Service agreements bring customers back on a schedule, which gives a buyer revenue it can count on and a steady flow of repair and replacement opportunities. Buyers typically look at how many agreements are active, what they cost, and how many renew each year. A growing agreement base generally signals that customers trust the company.
Does residential versus commercial work change who buys my company?
It often does. Private equity backed home services platforms focus on residential service and replacement, while commercial mechanical consolidators look for service contracts with property managers and building owners. Companies with both can attract both groups. New construction bid work, in either segment, is usually weighed more cautiously than service work that repeats.
How does the refrigerant transition affect selling an HVAC company?
EPA’s phasedown of HFC refrigerants under the AIM Act has changed the equipment contractors install and the refrigerants they handle. Buyers may ask how a company has trained its technicians on newer refrigerants and managed inventory through the change. The effect on any one company depends on its customers, its equipment mix, and how well it has prepared.
What happens to my technicians when I sell?
Most buyers want technicians to stay, because they deliver the service customers pay for. Retention plans, pay reviews, and keeping the local brand are common ways buyers keep teams together. Telling employees at the right time, usually late in the sale process, helps protect customer relationships while the deal is under way.
Should I use an HVAC business broker or an M&A advisor?
Both generally keep a sale confidential, so the choice usually comes down to how large the HVAC company is and which buyers are likely to want it. Business brokers often work with smaller HVAC businesses and individual buyers, many of them owner-operators. M&A advisors more often work with larger companies whose likely buyers are private equity backed platforms, commercial mechanical groups, and regional contractors, where terms such as retained equity and earnouts come up. Owners can talk to both before choosing.
Do private equity firms buy HVAC companies?
Yes. Private equity backed home services platforms buy residential HVAC companies, and some commercial mechanical groups are private equity backed too. They tend to look for service agreements that renew, a technician bench, and replacement work from existing customers. Some ask the seller to stay on for a period, or to roll part of the sale proceeds into equity in the combined HVAC business.
Related reading
- Plumbing M&A
Service, replacement, and commercial plumbing companies.
- Preparing your business for sale
What to organize in the year before going to market.
- Our M&A advisory services
How a confidential sale process runs.
- Business valuation calculator
A free preliminary estimate of what your business may be worth.
Sources
- [1] U.S. Census Bureau, County Business Patterns: 2023, NAICS 238220 Plumbing, Heating, and Air-Conditioning Contractors, 2025 release (2023 data). View source
- [2] U.S. Bureau of Labor Statistics, Occupational Outlook Handbook: Heating, Air Conditioning, and Refrigeration Mechanics and Installers, Last modified August 27, 2026. View source
- [3] U.S. Energy Information Administration, 2020 Residential Energy Consumption Survey, Table HC7.1: Air Conditioning in U.S. Homes, Final release March 2023. View source
- [4] U.S. Environmental Protection Agency, Technology Transitions Program Fact Sheet: Phasedown of Hydrofluorocarbons (October 2023 Final Rule), Updated December 2024. View source