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Explore 48 Trusted HVAC Contractors Serving Connecticut

Check the service offerings and available business details for 48 HVAC contractors across Connecticut, including Stamford, Enfield and Manchester. Read customer feedback, narrow your options and contact contractors suited to your heating or cooling needs.
Berlin (1)
Bridgeport (1)
Bristol (1)
Brookfield (1)
Danbury (2)
East Haven (1)
Enfield (3)
Glastonbury (2)
Greenwich (1)
Hartford (1)
Manchester (3)
Mansfield Center (1)
Middletown (1)
Milford (3)
New Britain (1)
New Milford (2)
North Haven (1)
Norwalk (1)
Old Saybrook (1)
Plainville (3)
Preston (1)
Prospect (1)
South Windsor (1)
Southbury (1)
Southington (2)
Stafford (1)
Stamford (4)
Stratford (1)
Suffield (1)
Wethersfield (1)
Willimantic (2)
Windsor (1)
203 HVAC
Recommended
Emergency
Open 24/7
3 reviews
203 HVAC
Emergency
Open 24/7
3 reviews
24 Hour Service
24/7 HVAC repair, installation, and maintenance services in New Haven & Fairfield County. Certified technicians available for emergency heating and cooling system repairs. Call 888-891-2397.
Air Conditioning Repair Heating System Maintenance Emergency HVAC Services
Website (203) 601-7752 Call Profile
RAPS Plumbing
26 Years
Emergency
6 reviews
RAPS Plumbing
26 Years
Emergency
6 reviews
We offer over 25 years of combined experience in plumbing and heating services.
RAPS Plumbing offers reliable plumbing, heating, and drain cleaning services in Milford, CT. Family-owned with 25+ years of experience. Call 203.876.1212 for emergency services.
Drain Cleaning Heating Services Air Conditioning
(203) 254-7277 Call Profile
6 reviews
Degree Heating & Cooling
33 Years
Emergency
6 reviews
Locally owned for 30 years with deep community ties
Degree Heating & Cooling offers expert HVAC, plumbing, and electrical services in Connecticut. Locally owned for 30 years with 24/7 emergency support. Call 860-633-6122 today!
HVAC Installation Plumbing Repair Electrical Services
(860) 350-1331 Call Profile
5 reviews
Dependable Energy
32 Years
Emergency
5 reviews
Family-owned & operated since 1994 with four generations of industry experience
Trusted HVAC contractor serving Prospect, CT since 1994. Offering heating oil delivery, AC repair, furnace maintenance, and propane tank services with 24/7 emergency support.
Fuel Delivery HVAC Servicing System Installations
(203) 758-5831 Call Profile
4 reviews
Preferred Air Systems
29 Years
Emergency
4 reviews
We offer 24/7 emergency HVAC services for urgent needs.
Expert HVAC installation, repair, and maintenance services in Brookfield, CT. Family-owned since 1997 with 24/7 emergency support and certified technicians.
Heating Air Conditioning Preventive Maintenance
(203) 778-6286 Call Profile
5 reviews
Steve Basso Plumbing Heating & A/C
50+ Years
Emergency
5 reviews
50 years of combined experience in Connecticut plumbing and HVAC
Reliable plumbing, heating, and AC services in Bridgeport, CT since 1974. Steve Basso offers upfront pricing, 24/7 emergency response, and expert HVAC repairs for residential and commercial properties.
Furnace Repairs Boiler Repairs Air Conditioning Installation
(203) 335-0224 Call Profile
7 reviews
Dynamic Heating, Cooling & Geothermal
20 Years
Emergency
7 reviews
Family-owned business with 18 years of local expertise
Trusted HVAC contractor serving Greater Hartford since 2006. Expert installation, repair, and maintenance for heating, cooling, geothermal systems, and indoor air quality solutions.
Air Conditioning Heating Repair Geothermal Systems
(860) 589-8367 Call Profile
4 reviews
Reliable Oil & Heat
50+ Years
Emergency
4 reviews
Family-owned since 1922 with generational HVAC expertise
Trusted HVAC contractor serving Connecticut since 1922. Offering heating oil delivery, AC installation, emergency repairs, and budget-friendly service plans.
Oil Heat Delivery Bioheat Fuel Supply HVAC Installations
(203) 324-2141 Call Profile
2 reviews
Solid State Heating Corporation
46 Years
2 reviews
We have over 40 years of experience in radiant heating innovation.
Discover energy-efficient radiant heating solutions from Solid State Heating Corporation in Old Saybrook, CT. Trusted HVAC experts since 1980.
Radiant Heat Panels UnderDesk Heaters Custom Heating Solutions
(860) 399-5434 Call Profile
2 reviews
AE Olsen
Emergency
2 reviews
We have over 50 years of experience in HVAC services.
Trusted HVAC solutions in Southbury, CT. AE Olsen offers installation, repair, and maintenance services with 24/7 emergency support across New Haven, Fairfield, and Litchfield Counties.
New Installation Upgrade or Replacement Repair Service
(203) 264-6571 Call Profile