🐜AssistAnt · Pro directory
There are 93 HVAC companies within 25 miles of Willimantic, CT in the AssistAnt directory as of October 16, 2026, 2 of them based in Willimantic 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 Willimantic
- Corbett HVAC Services LLC
Willimantic, CT · 0.7 mi
Not verified yet
(860) 942-0183
- Ives Bros.
Willimantic, CT · 0.9 mi
Not verified yet
(860) 423-6381
- R. J. Riquier Inc
North Windham, CT · 3.0 mi
Not verified yet
(860) 423-0677
- C W Knight Oil & Heating
North Windham, CT · 3.2 mi
Not verified yet
(860) 455-0658
- Cnm Heating Cooling Piping Llc
Storrs, CT · 4.4 mi
Not verified yet
(860) 891-3073
- Yankee Oil
Mansfield Center, CT · 4.6 mi
Not verified yet
(860) 423-9111
- Energy Systems of Conn
Columbia, CT · 4.7 mi
Not verified yet
(860) 228-5122
- Lessard Air Conditioning & Heating LLC
Lebanon, CT · 6.3 mi
Not verified yet
(860) 228-1579
- Crownpoint Heating And Cooling
Lebanon, CT · 7.0 mi
Not verified yet
(860) 367-4293
- JC Heating & Cooling LLC
Gilman, CT · 9.1 mi
Not verified yet
(860) 204-0373
- 72 Degrees Air Conditioning & Heating
Baltic, CT · 9.1 mi
Not verified yet
(860) 822-1041
- Trueflow Testing & Balancing, LLC
Colchester, CT · 11.3 mi
Not verified yet
(860) 531-9398
- Apex Refrigeration Cooling And Heating
Bolton, CT · 11.6 mi
Not verified yet
(860) 803-3664
- Energy Unlimited, LLC Heating & Cooling
Bolton, CT · 12.4 mi
Not verified yet
(860) 643-8334
- Custom Ventilation, LLC
Willington, CT · 13.1 mi
Not verified yet
(860) 429-2805
- M&M Oil
Bolton, CT · 13.2 mi
Not verified yet
(860) 649-2871
- Coppinger Plumbing & Heating
Glastonbury, CT · 13.7 mi
Not verified yet
(860) 569-7629
- R & W Heating Energy Solutions
Salem, CT · 13.8 mi
Not verified yet
(860) 848-9993
- Pro-Balance
Marlborough, CT · 14.0 mi
Not verified yet
(860) 295-1008
- Currie's Plumbing, Heating, & Cooling Inc.
Bozrah, CT · 14.4 mi
Not verified yet
(860) 859-3533
- Diamond Plumbing & Heating
Norwich, CT · 14.5 mi
Not verified yet
(860) 889-6528
- Laporte & Sons Plumbing & Heating
Plainfield, CT · 15.0 mi
Not verified yet
(860) 564-8912
- Teddy's Oil and Energy
Manchester, CT · 16.0 mi
Not verified yet
(860) 647-0462
- The Heat People
Uncasville, CT · 16.6 mi
Not verified yet
(860) 848-4121
- Nutmeg Mechanical Services Inc.
Manchester, CT · 16.7 mi
Not verified yet
(860) 643-2042
- Precision Mechanical Llc
Manchester, CT · 16.7 mi
Not verified yet
(860) 878-7927
- Pomfret Fuel Services LLC
Pomfret Center, CT · 16.8 mi
Not verified yet
(860) 928-5516
- Gottier Plumbing & Heating
Vernon, CT · 16.8 mi
Not verified yet
(860) 875-0719
- Hygrade Home Services, Llc
Manchester, CT · 17.0 mi
Not verified yet
(860) 918-3068
- E-Z Oil Company
Manchester, CT · 17.0 mi
Not verified yet
(860) 645-3758
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Willimantic, CT?
- 93 within 25 miles, 2 in Willimantic, as of October 16, 2026.
- Which HVAC companies near Willimantic, 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.
Nearby towns
- North Windham, CT 3 mi
- Storrs, CT 4 mi
- Mansfield Center, CT 5 mi
- Columbia, CT 5 mi
- Lebanon, CT 7 mi
- Chaplin, CT 9 mi
- Gilman, CT 9 mi
- Baltic, CT 9 mi
- Colchester, CT 11 mi
- Bolton, CT 12 mi