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Find the 26 Best Air Conditioning Companies in Connecticut

Browse 26 air conditioning businesses serving Connecticut, including Manchester, Stamford and Southington, for home and commercial cooling needs. Review AC repairs, installations and maintenance services, read customer feedback and contact local companies for estimates.
Bridgeport (1)
Brookfield (1)
Danbury (1)
Glastonbury (1)
Greenwich (1)
Hartford (1)
Manchester (3)
Mansfield Center (1)
Middletown (1)
Milford (1)
Monroe (1)
Newington (1)
North Haven (1)
South Windsor (1)
Southbury (1)
Southington (2)
Stamford (3)
Stratford (1)
Wethersfield (1)
Wilton (1)
Windsor (1)
Air Solutions
27 Years
Emergency
6 reviews
Air Solutions
27 Years
Emergency
6 reviews
We offer 24/7 emergency HVAC services with rapid response times
Air Solutions offers top-rated HVAC, propane delivery, and generator installation in Stamford, CT. Reliable heating, cooling, and emergency services for residential and commercial clients.
HVAC Installation Propane Delivery Duct Cleaning
(203) 357-8853 Call Profile
6 reviews
Nutmeg Mechanical Services
44 Years
Emergency
6 reviews
24/7 emergency service with factory-trained technicians
Trusted HVAC services in Connecticut since 1982. Nutmeg Mechanical Services offers 24/7 emergency repairs, geothermal systems, and energy-efficient heating/cooling solutions for homes and businesses.
Residential HVAC Commercial HVAC Geothermal Systems
(860) 643-2042 Call Profile
6 reviews
Ductworks HVAC Services
34 Years
Emergency
6 reviews
We offer 30+ years of local HVAC expertise with NATE-certified technicians.
Trusted HVAC and electrical services in Southington, CT. Ductworks HVAC Services offers expert installation, repairs, and maintenance since 1992. Family-owned, NATE-certified technicians serving Connecticut.
HVAC Installation Electrical Panel Upgrades Indoor Air Quality
(860) 621-6295 Call Profile
4 reviews
Nero Air Conditioning Heating
38 Years
Emergency
4 reviews
32+ years of Connecticut HVAC expertise with Trane systems
Trusted HVAC contractor serving Connecticut since 1988. Offering Trane systems, geothermal solutions, 24/7 emergency service, and financing options for residential and commercial properties.
HVAC Installation Geothermal Systems Ductless AC
(203) 248-8110 Call Profile
4 reviews
Air Tech HVAC
4 reviews
Our owner possesses over 20 years of HVAC experience.
Experience reliable HVAC installations and repairs in Winfield with Air Tech HVAC, backed by over 20 years of professional industry expertise.
HVAC Installation HVAC Repair Routine Maintenance
(203) 323-3959 Call Profile
Crest Mechanical
50+ Years
Emergency
2 reviews
Crest Mechanical
50+ Years
Emergency
2 reviews
We provide cost-effective pricing without sacrificing quality through value engineering.
Trusted mechanical contractor serving Connecticut with HVAC, plumbing, fire protection, and industrial systems. Family-owned since 1964, offering full-service solutions for commercial, industrial, and institutional projects.
HVAC Installation Plumbing Systems Fire Protection
(860) 724-3431 Call Profile
1 review
Action Air Systems
1 review
We have operated since 1987.
Action Air Systems provides HVAC, plumbing, and sheetmetal services for Connecticut facilities, delivering rapid, codecompliant installations you can trust.
Design/Build Services HVAC/R Services Plumbing and Piping
(860) 645-8838 Call Profile
6 reviews
M.J. Emonds Mechanical Contractors
31 Years
Emergency
6 reviews
We offer over 25 years of specialized HVAC expertise since 1995.
Trane-certified HVAC contractors in Glastonbury, CT offering air conditioning, heating, furnace, boiler, radiant heating, and water heater services for residential and commercial clients with 24/7 emergency support.
HVAC Installation Air Conditioning Heating Systems
(860) 657-4554 Call Profile
4 reviews
Reliable Oil & Heat
50+ Years
Emergency
4 reviews
Family-owned since 1922 with fourth-generation HVAC expertise
Trusted HVAC services since 1922. Reliable Oil & Heat delivers premium heating oil, Bioheat fuel, and 24/7 emergency HVAC repair in Connecticut. Family-owned expertise for residential and commercial comfort solutions.
Oil Heat Bioheat Fuel Air Conditioning
(203) 324-2141 Call Profile
Total Comfort
40 Years
Emergency
7 reviews
Total Comfort
40 Years
Emergency
7 reviews
Family-owned and -operated since 1986
Family-owned HVAC experts serving Fairfield County since 1986. Specializing in air conditioning, heating systems, and custom HVAC installations with 24/7 emergency service available.
Air Conditioning Heating Systems HVAC Installation
(203) 791-2141 Call Profile