Connecticut HVAC Contractors
Looking for hvac contractors in Connecticut? Below are 10 top-rated hvac contractors serving Connecticut in 2026 — every one rated 4.0+ stars with 10 or more verified Google reviews. Compare ratings and review counts, then contact them directly by phone or website. No middleman, no lead fees.
Listings are sourced from public Google Business Profiles and sorted by rating. Are you a Connecticut hvac contractor? Add your business free below.
Murphy Heating & Cooling
8 S Main St, New Milford, CT 06776, USA
1,017 reviews
Reviews via Google
CNM Heating Cooling Piping LLC
699 Storrs Rd, Storrs, CT 06268, USA
186 reviews
Reviews via Google
Innovative Heating & Cooling LLC
229 Pepes Farm Rd, Milford, CT 06460, USA
42 reviews
Reviews via Google
Reliable Heating & Air Conditioning Co
200 Green Hill Rd, Killingworth, CT 06419, USA
13 reviews
Reviews via Google
Absolute Air Services, LLC
1116 Portland-Cobalt Rd, Portland, CT 06480, USA
1,110 reviews
Reviews via Google
Modern Heating and Air Conditioning, LLC
1015 Bridgeport Ave D, Milford, CT 06460, USA
832 reviews
Reviews via Google
American Heating Air Conditioning Service
64 Westridge Dr, Waterbury, CT 06708, USA
397 reviews
Reviews via Google
Hefferon Heating & Cooling LLC
37A Padanaram Rd, Danbury, CT 06811, USA
386 reviews
Reviews via Google
M & M Heating & Cooling, LLC
108 River St, Bridgeport, CT 06604, USA
226 reviews
Reviews via Google
Hometown Heating & Cooling LLC
10 a Herman Dr, Simsbury, CT 06070, USA
97 reviews
Reviews via Google
Data sourced from Google Places. Updated April 12, 2026.
Hiring an HVAC Contractor in Connecticut
Buildermuse currently lists 10 hvac contractors in Connecticut, averaging 4.9 stars across 4,306 verified Google reviews. That is an unusually strong field — when nearly every firm clears 4.8 stars, response time and availability become the real differentiators, so call two or three rather than only the top result. Most of the crews above operate out of Milford, Bridgeport, and Danbury.
Connecticut requires registration (not licensing) for home improvement contractors. No exam is required for general registration. Electrical and plumbing trades require separate licenses with exams. Confirm credentials with the Connecticut Department of Consumer Protection at (860) 713-6135 before work begins. Licenses renew on an annual cycle (registration date). Expect a $230 state application fee. At a minimum, ask for proof of $100,000 in general liability coverage and active workers' comp.
Labor is the biggest line item on most bids, and the Connecticut market sets the floor: construction workers here average $40.33 an hour — about $83,876 a year — across 65,672 workers statewide, per Bureau of Labor Statistics data. That puts Connecticut among the pricier construction labor markets in the country, so expect quotes to reflect it.
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