Short answer
Verify the contractor's license with your state or local licensing authority, ask for written quotes with model numbers and permit included, and expect a load calculation for replacements. Be cautious of pressure to sign on the spot or prices quoted without measurements.
License
Licensing varies: some states license HVAC contractors through a state board, while others leave it to cities and counties. Our state pages explain who licenses HVAC work in each state. Check the license number, its status and any limits.
Quotes
Compare like for like.
- Model numbers and SEER2/AFUE/HSPF2
- Permit included
- Warranty terms (parts and labor)
- What's excluded
Red flags
Cash-only deals, no permit, refusing to put anything in writing, and 'today only' pricing.
Questions
Should the contractor pull the permit?+
Yes. A licensed contractor normally pulls the mechanical permit and schedules the inspection.
Editorial note: this guide is general information for homeowners, not a diagnosis. Desertline Heating & Air is a referral service; a licensed contractor should inspect your equipment before repairs.