🐜AssistAnt · Pro directory
There are 134 HVAC companies within 25 miles of Killingworth, CT in the AssistAnt directory as of October 16, 2026, 2 of them based in Killingworth 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 Killingworth
- Schuster Brothers Plumbing & Heating & Well Service
Killingworth, CT · 0.3 mi
Not verified yet
(860) 663-3044
- RLD Heating & Cooling
Killingworth, CT · 0.3 mi
Not verified yet
(860) 663-3181
- Total Comfort Control A Division Of East River Energy
Guilford, CT · 6.5 mi
Not verified yet
(203) 484-9698
- BDM Mechanical
Guilford, CT · 6.6 mi
Not verified yet
(203) 533-5674
- Westbrook Oil
Westbrook, CT · 6.8 mi
Not verified yet
(860) 664-5116
- R & B Air Conditioning & Heating
Guilford, CT · 7.0 mi
Not verified yet
(203) 453-6831
- Pennywise Oil Company
Westbrook, CT · 7.3 mi
Not verified yet
- Wilcox Energy
Westbrook, CT · 7.5 mi
Not verified yet
(860) 399-6218
- Benedetto Heating & AC
Centerbrook, CT · 8.2 mi
Not verified yet
(860) 767-1123
- C P Burdick and Son
Centerbrook, CT · 8.4 mi
Not verified yet
(860) 767-8402
- Hagan Mechanical Services
Essex, CT · 8.5 mi
Not verified yet
(860) 955-4275
- Heatech
Higganum, CT · 8.8 mi
Not verified yet
(860) 345-3855
- Benedetto Heating & AC LLC
Essex, CT · 9.0 mi
Not verified yet
(860) 434-1574
- Corporal Heating
North Branford, CT · 9.4 mi
Not verified yet
(203) 488-8547
- Aerus
Old Saybrook, CT · 10.3 mi
Not verified yet
(860) 388-0811
- Hurricane Energy Heating and Cooling
North Branford, CT · 11.4 mi
Not verified yet
(203) 208-4768
- Advance Plumbing & Heating, Inc
Middletown, CT · 11.6 mi
Not verified yet
(860) 347-7586
- CA trudeau plumbing and heating
Branford, CT · 13.4 mi
Not verified yet
(203) 627-9422
- Direct Home Services
Middlefield, CT · 13.8 mi
Not verified yet
(860) 339-6001
- AirTech Heating and Cooling
Branford, CT · 14.3 mi
Not verified yet
(203) 488-1976
- Home Comfort Heating & Cooling
East Haven, CT · 14.6 mi
Not verified yet
(203) 290-1005
- Unique Heating & Cooling
East Haven, CT · 14.6 mi
Not verified yet
(203) 467-9710
- River Valley Oil Service
Middletown, CT · 14.7 mi
Not verified yet
(860) 342-5670
- Bullseye Refrigeration & A/C
East Haven, CT · 14.7 mi
Not verified yet
(203) 469-4444
- Air, Inc.
Branford, CT · 14.7 mi
Not verified yet
(203) 315-0323
- Masters Heating & Air Conditioning
Wallingford, CT · 14.9 mi
Not verified yet
(203) 265-4434
- R A, Levine Company
North Haven, CT · 15.1 mi
Not verified yet
(203) 933-1619
- Climatech Mechanical Heating And Air Conditioning Services
Wallingford, CT · 15.1 mi
Not verified yet
(475) 253-5209
- All Temperature Heating & Cooling
North Haven, CT · 15.2 mi
Not verified yet
(203) 671-0658
- Around the Clock Heating and Cooling, Inc
North Haven, CT · 15.3 mi
Not verified yet
(203) 239-2226
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Killingworth, CT?
- 134 within 25 miles, 2 in Killingworth, as of October 16, 2026.
- Which HVAC companies near Killingworth, 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 Killingworth
- Plumbers in Killingworth, CT112 businesses
- Electricians in Killingworth, CT154 businesses
- Roofers in Killingworth, CT142 businesses
- Landscaping & lawn care in Killingworth, CT366 businesses
- Painters in Killingworth, CT66 businesses
- Handyman services in Killingworth, CT59 businesses
- Pool & spa service in Killingworth, CT24 businesses
- Remodeling contractors in Killingworth, CT82 businesses
- Towing in Killingworth, CT34 businesses
- Auto repair in Killingworth, CT488 businesses
- Diesel & truck repair in Killingworth, CT26 businesses
Nearby towns
- Guilford, CT 7 mi
- Westbrook, CT 7 mi
- Centerbrook, CT 8 mi
- Essex, CT 9 mi
- Higganum, CT 9 mi
- Old Saybrook, CT 10 mi
- North Branford, CT 10 mi
- Branford, CT 12 mi
- Middlefield, CT 14 mi
- Wallingford, CT 16 mi