What are you actually buying when you buy an HVAC business?
HVAC means heating, ventilation and air conditioning, and often refrigeration too. An HVAC business has two different engines, and you should value them separately:
- Service and maintenance agreements. These are scheduled servicing of commercial plant, residential maintenance plans and preventive maintenance contracts with building owners and facility managers. This revenue repeats.
- Install and project work. This covers equipment replacements, new-build installs and fit-outs. It can be profitable but lumpy, and it depends on quoting and builder relationships.
Alongside those you are buying:
- Licensed technicians. Refrigerant handling and trade licences are personal to each technician. A business without enough licensed staff cannot do the work.
- The business licence. In many places a contracting licence is held by the company through a nominated qualified person, often the owner.
- Fleet, tools and parts stock. Vans, recovery units, vacuum pumps and stocked parts.
- Supplier and manufacturer status. Dealer or installer accreditation and the pricing that comes with it.
What makes an HVAC business a good acquisition target?
- A meaningful share of revenue from maintenance contracts, renewed year after year.
- A commercial client base with assets on site such as rooftop units, chillers and cool rooms that need ongoing service.
- Technicians who have been there for years, with at least one senior tech who can lead without the owner.
- Job management software with service history by site. That history is what lets you quote renewals accurately.
- Overlap with your territory. "The HVAC company you keep bidding against" probably services buildings near yours.
What are the due diligence risks specific to HVAC?
| Risk | What to check | Why it matters |
|---|---|---|
| Licence nominee | Who holds the contracting licence and what happens if they leave | The business may be unable to trade without a replacement nominee; check the rules in your state/country |
| Contract assignability | Change-of-control and termination-for-convenience clauses | Clients may be able to end contracts when ownership changes |
| Warranty callbacks | Install warranties outstanding and the callback history | You may inherit the cost of fixing past installs |
| Technician retention | Tenure, pay compared with market, licences held | Techs are hard to replace and can take clients |
| Fleet and tool age | Van ages, kilometres and leases | Fleet replacement can eat early cash flow |
| Seasonality and work in progress | Monthly revenue over three years; project progress billing | Peak-season numbers can flatter a sale |
For the full checklist, see due diligence red flags.
Why do HVAC business owners sell?
Owners who started on the tools often still run the after-hours phone and quote at night. Peak season means long days in roof spaces and on rooftops. Common triggers are age, physical wear, chasing technicians in a tight labour market, and having no family member or senior tech who wants to take on the risk. Many have been approached by larger groups and do not like the idea of their name disappearing.
Which no-money-down structure fits an HVAC business?
Each structure combines senior (commercial) debt, seller finance and seller rollover. The more of the revenue that is recurring maintenance, the more of the price senior debt can usually carry.
| Revenue mix | Structure that often fits | Why |
|---|---|---|
| Mostly maintenance contracts | 70/20/10 | Contracted revenue supports a larger commercial loan; the seller note covers the rest |
| Mixed maintenance and install, owner still quotes | 60/40 | A 40% rollover keeps the owner winning work and passing on builder relationships |
| Owner values the team above a lump sum | 100% vendor finance | Paid over time from cash flow by a successor who keeps the techs |
A warranty holdback, where part of the seller note waits until the install warranty period ends, aligns the seller with the quality of past work.
What synergies come from buying a competing HVAC business?
- Route density. More service sites in the same area means less driving and more billable hours per technician.
- One on-call roster shared across a bigger team, which helps technician retention.
- Supplier buying power on equipment, refrigerant and parts.
- Cross-selling. Maintenance plans offered to the other business's install customers, and installs quoted to its maintenance clients.
- One office. Dispatch, quoting, invoicing and compliance handled once.
See how to buy your competitor for how to approach the owner.
Illustrative example: buying the company you keep bidding against
Illustrative only. The numbers are rounded and not a forecast.
You run a 12-technician HVAC business. A competitor with eight technicians and a solid book of commercial maintenance contracts keeps showing up on the same tenders. Its owner is 63 and still answers the after-hours phone.
- Agreed price: $1.5M. The business earns about $500k a year in cash flow before debt repayments, after paying a manager to replace the owner.
- Structure (70/20/10): $1.05M commercial debt, a $300k seller note over three years (part of it held back until install warranties lapse), and $150k rolled into a 10% stake.
- The lender adds a working-capital line to cover wages during the slow season.
- Repayments are sized so that cash flow covers them about 1.5 times. See DSCR explained.
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