How do you start a HVAC service business in 2027?
Direct Answer
Start a HVAC service business in 2027 by combining the 4 operator moves below, sized to a startup cost of $40K-$200K and a year-1 revenue band of $250K-$900K. The dominant unit-economic risk is called out in the bottom line.
The Operator Playbook
1. EPA Section 608 + state contractor license. EPA Section 608 + state contractor license
2. sell maintenance plans ($150-$350/yr/system) as recurring base. sell maintenance plans ($150-$350/yr/system) as recurring base — 30-50% of profitable HVAC
3. partner with one or two manufacturers (Carrier. partner with one or two manufacturers (Carrier, Trane, Lennox) for rebates + lead generation
4. price replacement by load calc + Manual J. price replacement by load calc + Manual J, not sqft — drives accurate sizing and trust
Unit Economics (year-1 ballpark)
| Lever | Range |
|---|---|
| Startup cost | $40K-$200K |
| Year-1 revenue | $250K-$900K |
| Customer acquisition cost | $100-$500 |
| Annual contract / LTV | $800-$15,000 |
| Customer profile | homeowners and small commercial needing heating, A/C installation, and emergency repair |
| Category | home services / trades |
Operator Diagram
Bottom Line
Refrigerant transitions (R-22 → R-410A → R-32/R-454B) every cycle. Old refrigerant inventory is a margin trap. Operators who plan around this constraint from day 1 — not as an afterthought in year 2 — are the ones who get to a healthy year-3 P&L in this category.