How to start an HVAC business

The steps to launch a heating and cooling business in the US: experience and licensing, EPA refrigerant certification, insurance, pricing, equipment, hiring and running crews.

You found a pro tip Before you buy a second van, track utilization on the first for a month. If it sits idle more than you think, a better schedule may be cheaper than a bigger fleet.
In shortTo start an HVAC business, get the trade experience and licenses your state and city require, make sure anyone handling refrigerants holds EPA Section 608 certification, form a business entity, get an EIN, insurance and any required bonds, set up vehicles, tools and supplier accounts, build a pricing method from your real costs, and put simple systems in place for scheduling, time tracking, invoicing and customer follow-up before you hire.

Is an HVAC business right for you?

Heating, ventilation and air conditioning work is needed in every season, which gives HVAC businesses steady demand from installations, replacements, repairs and maintenance agreements. Most owners start as experienced technicians. Running a business adds a different set of jobs: sales, pricing, scheduling, hiring, bookkeeping, compliance and customer service. Be honest about which of those you enjoy and which you will need help with.

A one-page plan before you launch

Before spending on vehicles and equipment, write a one-page plan. Cover the services you will offer at first (for example residential repair and replacement only), your service area, who your customers are, your hourly rate and how you calculated it, your startup costs and how you will pay for them, how many billable hours a week you need to break even and how you will find the first customers. Revisit it after three and six months; the numbers will tell you whether to adjust prices, services or hiring plans.

Step 1: licensing and certification

Licensing is set by states, and sometimes by cities or counties. Requirements vary widely: some states license HVAC or mechanical contractors directly, with exams and documented experience; others license at the local level or require a general contractor license for larger jobs. Check with your state licensing board and the building department where you plan to work. See our state labor law pages for employment rules by state.

Separately, under the federal Clean Air Act, technicians who maintain, service, repair or dispose of equipment that could release refrigerants must be certified under EPA Section 608. Certification has different types depending on the equipment. Plan for every technician who handles refrigerants to hold the right certification, and keep copies on file.

Step 2: set up the business

Step 3: equipment and suppliers

You will need a reliable vehicle set up for the work, tools and meters, refrigerant recovery equipment, safety gear, and accounts with distributors. Many new businesses lease vehicles or buy used equipment to preserve cash. Set up an inventory and labeling routine from the start; our guide on preventing lost tools covers the basics.

Step 4: pricing your work

Build prices from your real costs: wages and labor burden, unbillable time, overhead such as vehicles and insurance, materials markup and profit. Our guide on pricing a plumbing job walks through the same method, which applies equally to HVAC. Decide whether to use flat-rate pricing, time and materials or a mix, and set clear rates for emergency and after-hours calls. Maintenance agreements, where customers pay for regular tune-ups, can smooth out seasonal swings.

Step 5: find customers

Step 6: hiring your first technicians

Your first hires shape the business. Look for technical skill and the ability to deal with customers in their homes. Before hiring, make sure you understand your obligations: classification as employee or contractor, overtime for non-exempt employees, pay for travel between jobs and on-call time, and payroll taxes. See contractor vs. employee, travel time pay and on-call pay rules.

Plan a structured first few weeks: ride-alongs, safety training, your processes for paperwork and customer communication. See onboarding hourly employees.

Step 7: systems for running crews

Systems to set up early
Area What to have in place
Scheduling and dispatch A shared schedule showing who is on which job, with updates on technicians’ phones
Time tracking Clock-in at each job, with travel and on-call time recorded correctly
Job costing Hours and materials per job compared with the quote
Invoicing and payments Invoices sent the same day, with card payments accepted
Customer records Equipment details, service history and next maintenance dates
Safety and compliance Training records, certifications and checklists

Good systems are easier to start with two people than to bolt on with ten. See job costing with time tracking and field employee time tracking.

Managing seasonality

HVAC demand peaks in the hottest and coldest months, when emergency calls, overtime and long days pile up, and slows in between. Plan for both: build maintenance agreements and tune-up campaigns for shoulder seasons, use the quiet months for training and equipment maintenance, set up an on-call rotation for peak periods and watch overtime costs and fatigue. See on-call schedules and reducing overtime costs.

Common early mistakes

How EZTime helps

EZTime gives a growing HVAC business simple tools for crews: technicians clock in at each job from the mobile app with optional GPS location, time is assigned to jobs with job and client tracking, schedules and on-call rotations are shared with the team and approved hours are exported for payroll. See EZTime for plumbing and HVAC.

Startup cost categories

Main startup cost categories
Category Examples
Licensing and certification State contractor license, EPA Section 608 certification for refrigerant work
Insurance General liability, commercial auto, workers’ compensation when you hire
Vehicle and equipment Service van, gauges, recovery machine, vacuum pump, hand tools
Software Scheduling, invoicing, time tracking, accounting
Marketing Website, map listings, vehicle wraps

Costs vary widely by state and setup, so build your own budget. See how to write a business plan and how to open a business bank account.

Seasonal planning

HVAC demand peaks in summer and winter. Use shoulder seasons for maintenance visits, training and marketing. Keep a waiting list of maintenance customers you can book on slow days, and plan overtime and temporary help for peaks. Track hours by job type so you know which seasons are truly profitable. See how to reduce overtime costs.

Cash flow follows the seasons too. Peak months bring large invoices but also high payroll, overtime and parts costs, while quiet months can leave fixed costs uncovered. Many owners set aside part of peak-season profit to cover slower months, and offer maintenance plans billed monthly to smooth income across the year.

HVAC launch checklist

Tick each step you have completed.

0 of 6. You are early in the journey. Start with licensing and insurance.

Frequently asked questions

Do I need a license to start an HVAC business?

Usually yes, but requirements vary by state and locality. Check your state licensing board and local building department.

What is EPA 608 certification?

Federal certification required for technicians who maintain, service, repair or dispose of equipment that could release refrigerants.

What insurance does an HVAC business need?

Commonly general liability, commercial auto, tools and equipment coverage and workers’ compensation once you have employees, plus any bonds your license requires.

How should I price HVAC work?

Build rates from your true labor cost, unbillable time, overhead, materials markup and target profit, then compare with your market.

Can I hire helpers as independent contractors?

Only if they truly meet the tests for contractor status. Most helpers working under your direction are employees.

How do I handle the slow season?

Sell maintenance agreements, run tune-up campaigns, schedule training and plan cash flow for slower months.

Where to go next

Related reading

Real hours behind the numbers

EZTime tags hours by job, client and role and shows real-time labor costing on the schedule, so estimates can be checked against actual hours. See current plans and what each one includes on the pricing page.

Disclaimer: This guide is general information only and is not legal, tax or licensing advice. Requirements vary by state and locality. Consult your state licensing board, the EPA, the IRS or a qualified professional.