HVAC (heating & air conditioning) in Stonington, CT

There are 39 HVAC companies within 25 miles of Stonington, CT in the AssistAnt directory as of October 16, 2026, 2 of them based in Stonington 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.

Brands named most by these businesses: Maytag (1).

HVAC (heating & air conditioning) near Stonington

• Densmore Oil Company Mystic, CT · 2.2 mi Not verified yet (860) 536-7927
• Bugbee Plumbing Stonington, CT · 2.2 mi Not verified yet (860) 572-0274
• Duncklee Cooling & Heating Inc Stonington, CT · 2.2 mi Not verified yet (860) 535-2552
• Cool Boats LLC Mystic, CT · 2.8 mi Not verified yet (860) 536-2665
• Best Energy pawcatuck, CT · 3.8 mi Not verified yet (860) 599-1920
• Millas Heating & Cooling Mystic, CT · 4.3 mi Not verified yet (860) 415-9962
• South Shore Heating and Cooling Pawcatuck, CT · 4.6 mi Not verified yet (860) 599-5370
• Best Energy Pawcatuck, CT · 4.7 mi Not verified yet (959) 271-3052
• Burnside Plumbing Heating & AC LLC North Stonington, CT · 4.9 mi Not verified yet (860) 599-0442
• Northeast HVAC LLC Westerly, RI · 5.8 mi Not verified yet (401) 596-8814
• Rc Mechanical Groton, CT · 6.2 mi Not verified yet (860) 445-8815
• Williams & Associates Mechanical Contracting North Stonington, CT · 6.7 mi Not verified yet (860) 867-6976
• Edwards Heating Service Groton, CT · 7.2 mi Not verified yet (860) 448-9500
• Spicer Propane Groton, CT · 8.3 mi Not verified yet (860) 859-9070
• D&v Mechanical Inc Westerly, RI · 8.4 mi Not verified yet (401) 741-2704
• Bartol Heating and Cooling New London, CT · 9.3 mi Not verified yet (860) 442-4327
• Oceanside Plumbing & Heating Bradford, RI · 9.8 mi Not verified yet (401) 377-8712
• Benvenuti Oil Co Inc Waterford, CT · 10.1 mi Not verified yet (860) 443-6115
• Boss Heating & Cooling Inc Charlestown, RI · 10.7 mi Not verified yet (401) 326-9505
• Jet Refrigeration Jewett City, CT · 12.0 mi Not verified yet (860) 376-6687
• The Heat People Uncasville, CT · 12.2 mi Not verified yet (860) 848-4121
• Priority One Oil Heat Service, Inc. Hope Valley, RI · 12.7 mi Not verified yet (401) 575-8243
• Diamond Plumbing & Heating Norwich, CT · 13.4 mi Not verified yet (860) 889-6528
• McGuire Plumbing & Heating LLC Avenue, CT · 14.2 mi Not verified yet (860) 376-3388
• American Heating & Cooling Voluntown, CT · 14.9 mi Not verified yet (860) 376-3502
• Currie's Plumbing, Heating, & Cooling Inc. Bozrah, CT · 15.1 mi Not verified yet (860) 859-3533
• Valley Heating & Cooling Inc Wyoming, RI · 15.3 mi Not verified yet (401) 268-4002
• 72 Degrees Air Conditioning & Heating Baltic, CT · 19.0 mi Not verified yet (860) 822-1041
• R & W Heating Energy Solutions Salem, CT · 19.6 mi Not verified yet (860) 848-9993
• JC Heating & Cooling LLC Gilman, CT · 20.1 mi Not verified yet (860) 204-0373

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

Questions

How many HVAC companies are near Stonington, CT?

39 within 25 miles, 2 in Stonington, as of October 16, 2026.

Which HVAC companies near Stonington, 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.

More in Stonington

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• Landscaping & lawn care in Stonington, CT144 businesses
• Cleaning services in Stonington, CT51 businesses
• Pest control in Stonington, CT13 businesses
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• Concrete, masonry & paving in Stonington, CT37 businesses
• Chimney sweep & repair in Stonington, CT8 businesses
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• Auto repair in Stonington, CT182 businesses
• Collision repair & auto glass in Stonington, CT50 businesses
• Motorcycle, marine & small engine repair in Stonington, CT22 businesses

Nearby towns

• Mystic, CT 2 mi
• Pawcatuck, CT 4 mi
• Westerly, RI 5 mi
• North Stonington, CT 5 mi
• Groton, CT 6 mi
• New London, CT 9 mi
• Bradford, RI 10 mi
• Waterford, CT 11 mi
• Jewett City, CT 12 mi
• Uncasville, CT 12 mi

Own a business in Stonington?

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