Where to look
- Recommendations from neighbors and friends
- Your utility's list of participating rebate contractors
- Manufacturer dealer locators
- Online reviews across multiple platforms, read critically
What to check
- State or local HVAC license (verify on your state licensing board's website)
- General liability and workers' compensation insurance
- EPA Section 608 certification for technicians handling refrigerant
- NATE certification is a plus
- How long they've been in business, and whether they service what they install
The home visit
A good contractor measures rooms, checks insulation and windows, inspects ductwork, asks about comfort problems and performs a load calculation. Be cautious of anyone who quotes a new system without coming inside.
Red flags
- High-pressure "today only" pricing
- Recommending replacement without a clear diagnosis
- Refusing to put model numbers in writing
- Large cash deposits
- No permit "to save you money"
Comparing quotes
Compare like for like: equipment model numbers, efficiency, scope of work, warranties, permit and timeline. The cheapest quote often leaves things out, and the most expensive isn't always the best.
