HVAC (heating & air conditioning) in Colchester, CT

There are 125 HVAC companies within 25 miles of Colchester, CT in the AssistAnt directory as of October 16, 2026, 1 of them based in Colchester itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.

HVAC (heating & air conditioning) near Colchester

• Trueflow Testing & Balancing, LLC Colchester, CT · 0.5 mi Not verified yet (860) 531-9398
• Crownpoint Heating And Cooling Lebanon, CT · 4.4 mi Not verified yet (860) 367-4293
• Lessard Air Conditioning & Heating LLC Lebanon, CT · 5.3 mi Not verified yet (860) 228-1579
• R & W Heating Energy Solutions Salem, CT · 6.7 mi Not verified yet (860) 848-9993
• JC Heating & Cooling LLC Gilman, CT · 7.9 mi Not verified yet (860) 204-0373
• Pro-Balance Marlborough, CT · 8.0 mi Not verified yet (860) 295-1008
• Energy Systems of Conn Columbia, CT · 10.2 mi Not verified yet (860) 228-5122
• Coppinger Plumbing & Heating Glastonbury, CT · 11.1 mi Not verified yet (860) 569-7629
• Ives Bros. Willimantic, CT · 11.1 mi Not verified yet (860) 423-6381
• Currie's Plumbing, Heating, & Cooling Inc. Bozrah, CT · 11.3 mi Not verified yet (860) 859-3533
• Corbett HVAC Services LLC Willimantic, CT · 12.1 mi Not verified yet (860) 942-0183
• Absolute Air Services, LLC Portland, CT · 13.1 mi Not verified yet (860) 245-9565
• Yankee Oil Mansfield Center, CT · 13.2 mi Not verified yet (860) 423-9111
• T And S Heating And Air Conditioning, LLC Portland, CT · 13.4 mi Not verified yet (860) 342-1506
• Advance Plumbing & Heating, Inc Middletown, CT · 13.6 mi Not verified yet (860) 347-7586
• 72 Degrees Air Conditioning & Heating Baltic, CT · 13.6 mi Not verified yet (860) 822-1041
• Apex Refrigeration Cooling And Heating Bolton, CT · 13.9 mi Not verified yet (860) 803-3664
• The Heat People Uncasville, CT · 14.3 mi Not verified yet (860) 848-4121
• R. J. Riquier Inc North Windham, CT · 14.4 mi Not verified yet (860) 423-0677
• Diamond Plumbing & Heating Norwich, CT · 14.5 mi Not verified yet (860) 889-6528
• C W Knight Oil & Heating North Windham, CT · 14.6 mi Not verified yet (860) 455-0658
• Masselli & Sons Portland, CT · 14.9 mi Not verified yet (860) 342-0917
• Cnm Heating Cooling Piping Llc Storrs, CT · 15.2 mi Not verified yet (860) 891-3073
• Heatech Higganum, CT · 15.3 mi Not verified yet (860) 345-3855
• Glastonbury Burner & Boiler Glastonbury, CT · 15.4 mi Not verified yet (860) 659-4120
• M&M Oil Bolton, CT · 15.4 mi Not verified yet (860) 649-2871
• Automatic TLC Energy Portland, CT · 15.5 mi Not verified yet (866) 395-7220
• Energy Unlimited, LLC Heating & Cooling Bolton, CT · 15.6 mi Not verified yet (860) 643-8334
• Degree Heating And Cooling Glastonbury, CT · 15.6 mi Not verified yet (860) 266-5957
• M.J. Emonds Mechanical Contractors, LLC Glastonbury, CT · 15.7 mi Not verified yet (860) 657-4554

Showing the 30 listed first. Search by ZIP code to see more.

Questions

How many HVAC companies are near Colchester, CT?

125 within 25 miles, 1 in Colchester, as of October 16, 2026.

Which HVAC companies near Colchester, CT are verified?

None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.

Can a business pay to rank higher on AssistAnt?

No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.

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Nearby towns

• Lebanon, CT 5 mi
• Salem, CT 7 mi
• Gilman, CT 8 mi
• Marlborough, CT 8 mi
• Columbia, CT 10 mi
• Bozrah, CT 11 mi
• Willimantic, CT 11 mi
• Mansfield Center, CT 13 mi
• Baltic, CT 14 mi
• Uncasville, CT 14 mi

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