Heating and Cooling
Done Right, Day or Night
5-star rated HVAC service for the Atlanta metro area. Available 24 hours a day, 7 days a week.
Stock photo
5-star rated HVAC service for the Atlanta metro area. Available 24 hours a day, 7 days a week.
Stock photo
Stock photo
Based at 2135 Defoor Hills Rd NW in Atlanta, 1ST Class HVAC delivers heating, cooling, and AC repair across the Atlanta metropolitan area. We work on all major brands and focus on getting your system running efficiently — no unnecessary part replacements, no upsells.
We pick up the phone around the clock because comfort problems don't wait for business hours. Whether it's a July afternoon or a January night, a technician is available.
System not cooling? We diagnose the root cause — compressor, refrigerant, electrical, or airflow — and fix it.
Furnace and heat pump repair, maintenance, and replacement. Stay warm through Atlanta's cold months.
Full HVAC unit sizing, selection, and installation matched to your home's square footage and layout.
Scheduled inspections and tune-ups that catch small problems before they turn into expensive breakdowns.