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Find the 6 Best HVAC Contractors in Connecticut

Browse 6 HVAC contractors serving Connecticut, including Bridgeport, Brookfield and New Milford, for residential and commercial projects. Review heating and cooling installations, repairs and maintenance, read customer feedback and contact local contractors for estimates.
Bridgeport (1)
Brookfield (1)
New Milford (1)
Norwalk (1)
Stamford (1)
Waterbury (1)
5 reviews
T&H Mechanical Systems
44 Years
Emergency
5 reviews
40 years of combined experience in residential and commercial HVAC systems
Trusted HVAC services for homes and businesses in Fairfield & Westchester counties. 40+ years of NATE-certified expertise in heating, cooling, and indoor air quality solutions.
HVAC Installation Emergency Repairs Ductless Systems
(203) 424-2100 Call Profile
Air Solutions
27 Years
Emergency
5 reviews
Air Solutions
27 Years
Emergency
5 reviews
We offer 24/7 emergency HVAC service with guaranteed response times
Trusted HVAC contractor since 1999 offering heating, cooling, propane delivery, and generator services in Fairfield & Westchester counties. 24/7 emergency support available.
HVAC Installation Propane Delivery Duct Cleaning
(203) 357-8853 Call Profile
3 reviews
Preferred Air Systems
29 Years
Emergency
3 reviews
We offer 24/7 emergency HVAC services for urgent repairs.
Trusted HVAC solutions for residential and commercial clients in Brookfield, CT. Family-owned since 1997, offering installation, maintenance, and 24/7 emergency services.
Heating Air Conditioning Preventive Maintenance
(203) 778-6286 Call Profile
2 reviews
B&D Controlled Air
42 Years
Emergency
2 reviews
40 years of specialized HVAC experience in commercial projects
Trusted HVAC services in New Milford, CT. Expert maintenance, equipment sales, and energy-efficient solutions for commercial and institutional clients since 1984.
HVAC Maintenance Preventive Maintenance Agreements Equipment Sales
(860) 355-3705 Call Profile
7 reviews
Alliance Heating and Air Conditioning
47 Years
Emergency
7 reviews
We offer over 35 years of experience serving Connecticut and New York.
Trusted HVAC solutions since 1979 for residential, commercial, and specialty needs. Offering installation, repair, geothermal systems, and 24/7 service across Connecticut and New York.
Residential HVAC Commercial HVAC Geothermal Heating
(203) 335-9464 Call Profile
4 reviews
M J Fahy & Sons
Emergency
4 reviews
We have 130+ years of experience in plumbing and HVAC solutions.
M J Fahy & Sons offers professional plumbing, HVAC, and fire protection services in Waterbury, CT. With 130+ years of experience, we deliver reliable solutions for residential and commercial clients.
Residential Plumbing Bathroom Plumbing Fire Protection
(203) 574-4808 Call Profile