The HVAC industry generates over $150 billion annually in the United States — and it's one of the few home service trades with not one but two built-in demand spikes every single year. Summer AC season. Winter heating season. Homeowners don't call when it's convenient; they call when the system fails on the hottest day in July or the coldest night in January.
That urgency translates directly to margins. HVAC technicians command $150–$400 per service call, installations run $5,000–$15,000+, and maintenance contracts provide recurring income that most service businesses can only dream about.
Here's the question you're probably asking: should I buy a franchise or go independent? We'll cover that in detail — including the real math most franchise salespeople won't show you. Spoiler: for the vast majority of operators, the franchise route costs far more than it's worth.
This guide covers everything you need to know about how to start an HVAC business — from your first certification to building a multi-tech operation with six-figure recurring revenue.
Before we get into the how, let's be clear on the why. HVAC is not a glamorous business. It's hot attics, crawl spaces, and emergency calls at 10 PM in July. But the economics are exceptional:
The downside? Significant technical skill requirement and upfront certification work. This isn't a business you can start with $500 and a set of microfiber cloths. But that barrier is also your moat once you're in.
HVAC franchises are aggressively marketed because they're extremely profitable — for the franchisor. Let's look at the two biggest names:
| Franchise | Initial Franchise Fee | Total Startup Cost (Est.) | Royalty Rate | Ad Fund |
|---|---|---|---|---|
| One Hour Heating & Air | $39,900–$49,900 | $100,000–$350,000 | 6% | 2% |
| Aire Serv | $42,500–$62,500 | $75,000–$200,000 | 5–6% | 2% |
| Independent (with HomePro) | $0 | $15,000–$40,000 | 0% | 0% |
The royalty math is where it really stings. On a $500,000 revenue business — which is modest for a two-tech HVAC shop — you're sending $40,000–$50,000 per year to the franchisor in perpetuity. Not as a startup cost. Every. Single. Year.
What do you get? Brand recognition (which matters less than you think for local home services — customers hire the person who shows up, not the logo on the van), a playbook, and some training. Those are real assets. But in 2026, the playbook is replicable and the training is available independently.
"I bought my franchise because I thought I needed their systems. Three years in, I realized I was paying $40,000 a year for a logo and a training manual I'd already memorized." — A real sentiment heard from dozens of franchise owners during business broker work.
This doesn't mean franchises are always wrong. If you're a first-time entrepreneur with no industry experience and truly need hand-holding through launch, a franchise provides structure that some people need. But go in with eyes open about the cost — and know that independent operators with the right systems consistently outperform their franchised counterparts on net income.
This is non-negotiable and federally mandated. EPA Section 608 of the Clean Air Act requires certification for anyone who purchases, handles, or reclaims refrigerants (the chemicals that make cooling possible — R-410A, R-22, R-32, etc.).
There are four certification types:
How long does it take? With dedicated study, you can pass the EPA 608 Universal exam in 1–2 weeks. The exam itself costs around $20 and is offered at testing centers nationwide. Study materials are widely available online for free or low cost.
Without EPA 608, you cannot legally purchase refrigerant. You cannot legally work on systems that use refrigerant. Get this done first.
HVAC licensing requirements vary significantly by state — and this is where it gets complicated.
Check your state's contractor licensing board before doing anything else. In states where you need a master license, you have two options: (1) work under a licensed master HVAC contractor until you qualify, or (2) partner with or hire a licensed master to operate under their license while you build the business.
Don't skip this step. Operating without proper licensing in a regulated state is a fast path to fines, insurance denials, and customer lawsuits.
Once licensing is sorted, the business formation process is straightforward:
HVAC is higher-risk than most home service trades — you're working with gas lines, electrical systems, and expensive equipment. Carry adequate insurance or one bad job can wipe out years of profit.
Your van is your business. A properly outfitted service vehicle is what separates a professional from an amateur — and it affects your ability to do the job, your efficiency per call, and the impression you make on every customer who sees it in their driveway.
Stock common failure parts: capacitors, contactors, fan motors, belts, filters, thermostats, ignitors, flame sensors, and basic refrigerant (if licensed). Being able to complete most calls in one trip is a significant competitive advantage.
💡 Van Tip: Use our HVAC Replacement Cost Estimator to price equipment jobs accurately in the field. And use the HVAC Sizing Calculator to quote new installations with confidence — right-sizing equipment is both a technical requirement and a selling point customers appreciate.
HVAC pricing is more structured than most trades, which works in your favor. Here's the reality of what the market looks like:
Use flat-rate pricing, not time-and-materials. Customers hate watching the clock. Flat-rate pricing from a published book or software lets customers say yes upfront, eliminates disputes, and lets efficient techs make more per hour as their skills improve.
If you only take one strategic lesson from this entire guide, make it this one: maintenance contracts are the most powerful revenue tool in the HVAC business.
Here's why they matter so much:
A maintenance agreement typically costs $150–$500/year and includes one or two seasonal tune-ups plus priority service and discounted repair rates. Let's look at what a contract base actually means for revenue:
| Contract Base | Avg. Contract Value | Annual Recurring Revenue | Renewal Rate |
|---|---|---|---|
| 100 contracts | $250/yr | $25,000 | ~75% |
| 200 contracts | $300/yr | $60,000 | ~75% |
| 500 contracts | $300/yr | $150,000 | ~75% |
| 1,000 contracts | $325/yr | $325,000 | ~80% |
But the maintenance contract revenue is only the beginning. Contract customers:
How to sell them: At the end of every service call, before you leave, say something like: "I got your system running great today. The best thing we can do to prevent this from happening again is put you on our maintenance plan — you'll get a tune-up every fall and spring, plus priority scheduling if something goes wrong. It's $249 a year. Want me to get you set up?" Expect a 25–40% close rate on well-delivered pitches.
Most HVAC startups focus entirely on residential work. That's fine — residential is where you build your skills and reputation. But commercial HVAC is where businesses often make their biggest jumps in revenue.
New HVAC operators often panic in spring and fall when the emergency call volume drops. Here's how smart operators stay busy:
Indoor air quality (IAQ) is one of the fastest-growing segments in HVAC. Homeowners are increasingly aware of air quality — especially post-COVID. Every service call is an opportunity to evaluate and recommend IAQ improvements.
Let's look at realistic revenue and income scenarios across different growth stages:
| Stage | Techs | Annual Revenue | Maintenance Contracts | Owner Net Income |
|---|---|---|---|---|
| Year 1 — Solo | 1 (you) | $120,000–$200,000 | 50–100 | $60,000–$90,000 |
| Year 2–3 — Growing | 2 | $300,000–$500,000 | 150–300 | $90,000–$150,000 |
| Year 4–5 — Established | 3–4 | $600,000–$900,000 | 400–600 | $150,000–$250,000 |
| Year 6+ — Scaling | 5+ | $1,000,000–$2,000,000+ | 700–1,500+ | $200,000–$400,000+ |
Key assumptions: These numbers assume proper pricing (not the lowest bidder), an active maintenance contract program, and solid field execution. The owner income estimates reflect a working owner-operator at the early stages and a more managerial role later. Your actual numbers will vary based on market, overhead, and how aggressively you build the contract base.
Now remember: at a $500,000 revenue level, a franchisee is sending $40,000–$50,000/year to the franchisor. An independent operator keeps that. Over 10 years, that's $400,000–$500,000 in additional owner income. The franchise math doesn't get more favorable at scale.
Technical skill gets you the job. Systems keep you in business. The HVAC businesses that fail — and there are many — aren't failing because the owner couldn't fix equipment. They're failing because of disorganized scheduling, poor pricing, missed follow-ups, and no process for growth.
Here's what you need running from day one:
Field service software (ServiceTitan, Jobber, Housecall Pro) handles scheduling, dispatch, customer history, and invoicing. Start with a lighter tool like Jobber or Housecall Pro; step up to ServiceTitan as you add techs. Manual scheduling via text messages is how businesses get disorganized fast.
A published flat-rate price book (physical or digital) eliminates on-the-fly pricing and customer disputes. Every tech quotes the same price for the same job. Customers appreciate the transparency and trust it builds.
Track every contract: customer, system details, contract terms, renewal date, and service history. This is the lifeblood of your recurring revenue. Losing track of contracts means leaving money on the table.
Pre-season campaigns (before summer AC season, before winter heating season) are your highest-ROI marketing moments. Build an email list from day one and develop a simple campaign calendar for tune-up promotions, replacement offers, and maintenance contract enrollment drives.
Installation jobs need professional proposals. A clean, detailed written proposal with options (good/better/best equipment tiers) closes more jobs and at higher average values. Don't quote verbally — it invites price shoppers to comparison-shop your number.
HomePro Systems includes purpose-built templates and workflows for all five of these systems — plus 4 more — designed specifically for home service operators who want franchise-grade infrastructure without the franchise fees. The $79/mo Pro plan includes Ask Sage™, our AI business coach that answers real operational questions in real time. See what's included →
We've built two free tools specifically for HVAC operators:
Both are free, no account required.
If you're starting from scratch, here's a prioritized sequence:
Realistically, HVAC is a skilled trade — you need field experience before going independent. The standard path is 2–5 years working as a technician under an established HVAC contractor, getting your hands on every type of system in real conditions. During that time, complete your EPA 608 certification, work toward your state license, and save capital for startup. Some operators skip this by partnering with or hiring an experienced tech from day one. Either approach works, but the technical foundation is non-negotiable.
Yes — and for specific reasons. An aging housing stock drives replacement demand. Increasing focus on indoor air quality expands the service menu. Skilled tech shortages mean lower competition than in previous decades. And the economics of maintenance contracts make HVAC one of the few service trades with truly predictable recurring income.
EPA 608 certification: 1–2 weeks of study. State contractor license: varies widely — anywhere from a few weeks (exam-only states) to 4–5 years if a master mechanic license requires documented experience. Check your state's specific requirements early; this is the critical path item that determines your launch timeline.
A technician is an individual who performs the technical work — diagnosing, repairing, and installing systems. A contractor is a licensed business entity authorized to perform and contract HVAC work for customers. As a business owner, you need the contractor's license (typically held by the business owner or a licensed master mechanic affiliated with the business). You may hire technicians who work under your contractor license.
Starting an HVAC business in 2026 is genuinely achievable for any technically qualified operator willing to put in the foundational work. The certification and licensing requirements create the moat. The maintenance contract model creates the recurring revenue. The commercial opportunity creates the growth path.
You don't need a franchise. You need the right systems, the right pricing, and a commitment to building a maintenance contract base from your first month in business. The operators who do those three things build durable, profitable businesses. The ones who skip the systems and price for volume end up working hard for thin margins.
The franchise pitch sounds compelling until you do the math. Then it looks like what it is: a very expensive way to buy a playbook.
Start with our free HVAC startup checklist — it walks through every step in sequence with checklists, resource links, and the licensing info for your state. Or grab the Starter Kit ($29) for the complete operational templates, pricing calculators, and a maintenance contract enrollment system ready to use from day one.