HVAC Install and Repair

intermediate8 min read · updated 2026-06-20

HVAC Install and Repair

Heating and cooling is one of the most durable home-services businesses you can start. When a furnace dies in January or an AC quits in a July heatwave, the homeowner does not shop on price — they want someone competent on the phone today. That urgency, combined with recurring maintenance and equipment that wears out on a predictable schedule, makes HVAC a cash-generating, recession-resistant trade rather than a discretionary purchase.

Why this niche

• The market is enormous and stable. US heating & air-conditioning contractors generated 158400000000 in 2025 revenue, and the segment has grown steadily year over year.
• Demand for the labor is growing faster than average. The U.S. Bureau of Labor Statistics projects HVAC mechanic and installer employment to grow 8 percent from 2024 to 2034, with roughly 40100 openings per year over the decade.
• The pay floor is real. Median annual wage for the trade was 59810 in 2024 — meaning a competent owner who bills out labor at 3-4x that rate has healthy margin.
• Equipment ages on a clock. A residential system lasts roughly 10-15 years, so a metro accumulates a steady, non-discretionary replacement pipeline that does not disappear in a downturn.

The honest downsides

This is a high-saturation trade (saturation score 72). Every metro already has a dozen established shops, national brands, and franchise operators with financing programs and fleets. You will not win on novelty — you win on answering the phone, showing up fast, clean trucks, and a wall of five-star reviews. It is also physical, seasonal (feast in summer/winter, famine in shoulder months), and capital-intensive once you add trucks and techs.

What it costs and how fast you get paid

A licensed owner-operator can launch lean for around 30000 — a used service van, core gauges/recovery/vacuum equipment, license, bond, liability insurance, and a small marketing/parts float. Buying an existing customer book costs far more but skips the cold start. Because demand is urgent and constant, the bottleneck to your first paid call is licensing and certification, not finding customers — most new operators can be invoicing within 30 days of being licensed and insured.

Step-by-step: how to start

• Get the federal certification first. EPA Section 608 technician certification is legally required for anyone who maintains, services, repairs, or disposes of equipment containing regulated refrigerants — this is not optional under the Clean Air Act. Pursue Universal certification so you can work on all equipment types. The credential does not expire. See the EPA Section 608 page.
• Get licensed in your state/locality. Most states require a contractor or specialty HVAC license, which typically means documented field experience, a passed exam, a contractor bond, and proof of insurance. Check your state contractor licensing board for the exact path — requirements vary widely by state.
• Form the business and insure it. Register an LLC, get an EIN, open a business bank account, and buy general liability insurance (and workers' comp before you hire). Many municipalities also require a local business license and permits per job.
• Build the truck. A reliable service van plus the core kit: manifold gauges, refrigerant recovery machine, vacuum pump, leak detector, combustion analyzer, multimeter, and a stocked parts bin of common capacitors, contactors, and filters.
• Set up to get found and get paid. Create a Google Business Profile (this is your #1 lead source in home services), list on the major service directories, set up online booking and card/financing payment, and adopt field-service software for scheduling, invoicing, and follow-up.
• Bootstrap revenue before you have a brand. Subcontract overflow from an established shop, take emergency no-heat / no-cool calls, and offer seasonal tune-up specials to fill shoulder months. Every job ends with an ask for a review and an enrollment offer for a maintenance plan.
• Turn one-time jobs into recurring revenue. Sell annual maintenance agreements (two visits/year). They smooth out seasonality, lock in customers before competitors call, and create a predictable base of replacement leads as their equipment ages out.
• Hire and systematize when demand outstrips you. Add a second tech and truck only when your own calendar is consistently full; standardize pricing, checklists, and a clean uniform/branding so quality survives delegation.

Where the leverage is

The operators who pull away from the pack do three boring things relentlessly: they answer the phone live (or call back within minutes), they collect and respond to reviews on every job, and they sell maintenance plans so winter and summer demand carries the slow months. Equipment and technical skill are table stakes — distribution, response time, and recurring contracts are the moat.

Sources

• IBISWorld — Heating & Air-Conditioning Contractors in the US, Market Size
• U.S. Bureau of Labor Statistics — Occupational Outlook Handbook: HVAC Mechanics and Installers
• U.S. EPA — Section 608 Technician Certification