HVAC Cost in Danbury, CT in 2026
Most HVAC projects in Danbury, CT cost between $5,500 and $17,500. The typical price is $10,000.
Labour and materials in Danbury run about 14% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Danbury, CT
Businesses listed on Google near Danbury, CT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Carmine’s Plumbing, Heating & Air Conditioning
4.9(2,389 reviews)
92 Sand Pit Rd, Danbury, CT 06810
Service Stars
4.9(1,497 reviews)
43C Beaver Brook Rd, Danbury, CT 06810
Hefferon Heating & Cooling LLC
4.9(417 reviews)
37A Padanaram Rd, Danbury, CT 06811
20/20 Air Mechanical Corporation
4.8(252 reviews)
14 Wildman St, Danbury, CT 06810
Central Air, LLC.
4.9(214 reviews)
336 Federal Rd Unit #1, Brookfield, CT 06804
Total Comfort Inc
4.6(118 reviews)
44 Kenosia Ave, Danbury, CT 06810