🐜AssistAnt · Pro directory
There are 175 HVAC companies within 25 miles of Harwinton, CT in the AssistAnt directory as of October 16, 2026, 1 of them based in Harwinton 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 Harwinton
- Advanced Fuel Oil Heating & Cooling
Harwinton, CT · 0.0 mi
Not verified yet
(860) 212-7597
- C&G's One Hour Heating & Air Conditioning
Torrington, CT · 4.2 mi
Not verified yet
(860) 482-3400
- J Gasper Heating and Air Cond Company
Torrington, CT · 4.4 mi
Not verified yet
(860) 496-0101
- Day Plumbing & Heating Co Inc
Torrington, CT · 4.9 mi
Not verified yet
(860) 482-5970
- Building Environmental Systems
Collinsville, CT · 5.1 mi
Not verified yet
(860) 269-7271
- Guardian Mechanical Service
Torrington, CT · 5.2 mi
Not verified yet
(860) 989-7265
- Carlson Heating Air & Hot Water
Torrington, CT · 5.2 mi
Not verified yet
(860) 482-9276
- Fritz Air Llc
Torrington, CT · 5.3 mi
Not verified yet
(860) 459-5207
- Carlson Heating, Air & Hot Water Inc
Torrington, CT · 5.4 mi
Not verified yet
(860) 489-4328
- Bahre's Heating Oil
Canton, CT · 5.6 mi
Not verified yet
(860) 693-2327
- F. J. Chard & Son, Inc.
Burlington, CT · 5.7 mi
Not verified yet
(860) 845-1807
- R & E Heating And Air Conditioning
Terryville, CT · 7.7 mi
Not verified yet
(860) 970-9050
- JP Dunn Heating & Cooling, LLC
Northfield, CT · 7.7 mi
Not verified yet
(860) 283-1167
- One Hour Heating & Air Conditioning
Terryville, CT · 7.8 mi
Not verified yet
(860) 589-8979
- Pelletier Mechanical Services, LLC
Thomaston, CT · 8.6 mi
Not verified yet
(860) 317-5515
- TNT Refrigeration
Litchfield, CT · 8.7 mi
Not verified yet
(860) 567-2124
- Elite Mechanical Contractor LLC
Bristol, CT · 8.9 mi
Not verified yet
(860) 584-8844
- Thomaston Oil & Propane
Thomaston, CT · 9.0 mi
Not verified yet
(860) 283-4878
- Alliance All Trades
Thomaston, CT · 9.0 mi
Not verified yet
(860) 283-5555
- Thomaston Comfort Control
Thomaston, CT · 9.0 mi
Not verified yet
(860) 283-9939
- Call The Bee
Farmington, CT · 9.1 mi
Not verified yet
(860) 500-8551
- Shaffer Beacon Mechanical LLC
Bristol, CT · 9.1 mi
Not verified yet
(860) 583-1363
- Cousins Fuel Oil, Heating & Cooling
Bristol, CT · 9.5 mi
Not verified yet
(860) 584-1000
- Compass Energy LLC
Bristol, CT · 9.9 mi
Not verified yet
(860) 633-3311
- Fontaine Mechanical Heating, Cooling, Plumbing
Bristol, CT · 9.9 mi
Not verified yet
(860) 589-4900
- Total Mechanical Systems
Plainville, CT · 10.3 mi
Not verified yet
(860) 314-1518
- Precise HVAC Home Services
Bristol, CT · 10.4 mi
Not verified yet
(860) 222-9979
- Air Systems
Plainville, CT · 10.8 mi
Not verified yet
(203) 357-0672
- Bridgeworks Heating & Cooling LLC
Plainville, CT · 11.4 mi
Not verified yet
(860) 747-1888
- Farmington Valley Home Services, LLC
Goshen, CT · 11.4 mi
Not verified yet
(860) 480-2545
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Harwinton, CT?
- 175 within 25 miles, 1 in Harwinton, as of October 16, 2026.
- Which HVAC companies near Harwinton, 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 Harwinton
- Electricians in Harwinton, CT224 businesses
- Roofers in Harwinton, CT207 businesses
- Landscaping & lawn care in Harwinton, CT412 businesses
- Cleaning services in Harwinton, CT190 businesses
- Painters in Harwinton, CT109 businesses
- Handyman services in Harwinton, CT73 businesses
- Water, fire & mold restoration in Harwinton, CT46 businesses
- Auto repair in Harwinton, CT650 businesses
- Collision repair & auto glass in Harwinton, CT171 businesses
- Machine shops & CNC in Harwinton, CT234 businesses
- Computer & phone repair / IT in Harwinton, CT160 businesses
- Excavation & heavy equipment in Harwinton, CT42 businesses
Nearby towns
- Torrington, CT 5 mi
- Collinsville, CT 5 mi
- Burlington, CT 6 mi
- Canton, CT 7 mi
- Northfield, CT 8 mi
- Terryville, CT 8 mi
- Bristol, CT 8 mi
- Thomaston, CT 10 mi
- Litchfield, CT 10 mi
- Farmington, CT 11 mi