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Explore HVAC Contractors Serving Connecticut

Review the services of 50 HVAC contractors in Connecticut, including New Milford, Bridgeport and Glastonbury. Whether you need heating or cooling repairs, system installation or ongoing maintenance, look for relevant providers and inquire about availability and pricing.
Berlin (1)
Bozrah (1)
Bridgeport (3)
Bristol (1)
Brooklyn (1)
Cheshire (1)
Clinton (1)
Colchester (1)
East Hartford (1)
East Windsor (1)
Enfield (1)
Fairfield (1)
Glastonbury (3)
Greenwich (1)
Manchester (1)
Meriden (3)
Milford (3)
New Milford (4)
North Haven (1)
Norwalk (1)
Norwich (1)
Plainville (1)
Preston (1)
Simsbury (1)
South Windsor (1)
Southington (1)
Stratford (2)
Torrington (1)
Trumbull (1)
Watertown (1)
West Hartford (2)
West Haven (3)
Willimantic (1)
Willington (1)
Windsor Locks (1)
Not rated yet
Air Specialties
50+ Years
Emergency
Not rated yet
Family-owned with 65+ years of combined HVAC expertise
Trusted HVAC contractor serving New Haven since 1952. Offering heating, cooling, boiler, and water heater services with 24/7 emergency availability. NATE-certified technicians and free estimates.
Heating Services Air Conditioning Boiler Maintenance
(203) 884-8639 Call Profile
Not rated yet
RDR Air
Not rated yet
We have 20 years of combined experience in HVAC services.
RDR Air offers reliable HVAC solutions in Fairfield County, including heating, cooling, ventilation, and system maintenance. With 20 years of experience, we ensure quality installations and exceptional customer service.
Heating Ventilation Air Conditioning
(203) 521-1489 Call Profile
A1 Oil
48 Years
Emergency
Not rated yet
A1 Oil
48 Years
Emergency
Not rated yet
We offer 24/7 emergency heating system repairs and oil delivery.
Reliable heating oil delivery, HVAC maintenance, and 24/7 emergency services since 1978. Serving Windsor Locks, CT with budget plans, senior discounts, and certified technicians.
Oil Delivery HVAC Maintenance Tank Installation
(860) 627-9474 Call Profile
Not rated yet
CT Association of PHCC
Not rated yet
Founded in 1890 with century-spanning industry expertise
Connecticut's leading HVAC contractor association offering advocacy, education, and insurance solutions since 1890. Join PHCC National's network of 3,000+ professionals.
Industry Advocacy Legislative Tracking Risk Management
(203) 379-3007 Call Profile
Not rated yet
Apple Oil
Emergency
Not rated yet
We have over 50 years of trusted service in Connecticut's heating industry.
Apple Oil provides reliable heating oil delivery and HVAC services in Fairfield and New Haven counties, CT, with over 50 years of experience and a commitment to sustainability.
Heating Oil Delivery Automatic Delivery Professional Installation
(203) 934-3835 Call Profile
Not rated yet
CMC Sheet Metal
Not rated yet
We offer 13+ years of specialized HVAC ductwork experience in Connecticut.
Trusted HVAC ductwork installation and repair services in Connecticut. CMC Sheet Metal offers expert residential and commercial solutions with 13+ years of experience in precision ductwork systems.
Ductwork Installation Commercial Ductwork Residential Ductwork
(860) 319-4412 Call Profile
Santa Energy
50+ Years
Emergency
Not rated yet
Santa Energy
50+ Years
Emergency
Not rated yet
We offer 24-hour emergency fuel delivery and equipment service.
Santa Energy delivers heating oil, propane, and HVAC services with 24/7 support across Fairfield County. Family-owned since 1940, we offer automatic delivery, wireless monitoring, and solar solutions.
Heating Oil Delivery Propane Delivery HVAC Installation
(800) 937-2682 Call Profile
Not rated yet
Degree Heating & Cooling
33 Years
Emergency
Not rated yet
Locally owned and operated since 1993 with regional climate expertise
Connecticut's trusted HVAC provider since 1993, offering heating, cooling, and emergency repair services. Carrier Factory Authorized with 24/7 support and energy-efficient solutions.
HVAC Maintenance Emergency Repairs Plumbing Services
(860) 350-1331 Call Profile
Not rated yet
Ap Summa Fuel Oil Group
Not rated yet
We offer cleaner-burning Bioheat fuel that reduces pollution and health risks.
Discover the benefits of Bioheat fuel and ULSHO heating oil in Connecticut. Cleaner air, cost savings, and environmental responsibility through local, family-owned providers.
Bioheat Fuel ULSHO Heating Oil Energy Efficiency Tips
(203) 531-0832 Call Profile
Not rated yet
S K Mechanical
Emergency
Not rated yet
We offer 24-hour emergency mechanical service with competitive rates.
S K Mechanical provides expert HVAC and boiler services across Connecticut. With 25+ years of experience, licensed technicians, and 24-hour emergency support, we deliver reliable heating, ventilation, and air conditioning solutions for residential and com
HVAC Repair Boiler Installation Burner Service
(860) 533-2320 Call Profile