🐜AssistAnt · Pro directory
There are 539 HVAC companies within 25 miles of Old Greenwich, CT in the AssistAnt directory as of October 16, 2026, 1 of them based in Old Greenwich 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 Old Greenwich
- S P Palmer and Sons Inc
Old Greenwich, CT · 0.0 mi
Not verified yet
(203) 637-0880
- Evolution Air, Llc
Stamford, CT · 0.9 mi
Not verified yet
(203) 724-9814
- Adj Of Stamford Inc
Stamford, CT · 0.9 mi
Not verified yet
(203) 348-6448
- Air Solutions, Inc.
Stamford, CT · 0.9 mi
Not verified yet
(203) 357-8853
- Bill's Refrigeration & Air Conditioning
Stamford, CT · 1.0 mi
Not verified yet
(203) 564-9922
- Btu Systems
Stamford, CT · 1.1 mi
Not verified yet
(203) 323-3825
- Temp Air Company
Stamford, CT · 1.1 mi
Not verified yet
(203) 357-1727
- Efficient Heating & Cooling
Stamford, CT · 1.2 mi
Not verified yet
(203) 323-8740
- S.D.R. Plumbing & Heating, Inc.
Stamford, CT · 1.3 mi
Not verified yet
(203) 952-0582
- Harry P Carpenter & Sons
Stamford, CT · 1.5 mi
Not verified yet
(203) 348-7570
- C&c Service
Stamford, CT · 1.5 mi
Not verified yet
(203) 323-2866
- Tri Tech Mechanical LLC
Stamford, CT · 1.7 mi
Not verified yet
(203) 359-3399
- Adj of Stamford Inc.
Stamford, CT · 1.8 mi
Not verified yet
(203) 889-5408
- Mazur Mechanical LLC
Stamford, CT · 2.9 mi
Not verified yet
(203) 554-4266
- Sila Heating & Air Conditioning
Stamford, CT · 3.0 mi
Not verified yet
(203) 323-9400
- Giuliani Air Conditioning & Heating
Greenwich, CT · 3.5 mi
Not verified yet
(203) 820-1776
- Controlled Temperatures Inc
Stamford, CT · 3.5 mi
Not verified yet
(203) 348-9141
- ENCON Heating and Air Conditioning
Stamford, CT · 3.5 mi
Not verified yet
(203) 375-5228
- Steve's Fuel Oil
Stamford, CT · 3.8 mi
Not verified yet
(203) 866-9163
- Reliable Oil and Heat Company
Stamford, CT · 3.8 mi
Not verified yet
(203) 324-2141
- Schede Plumbing & Heating
Stamford, CT · 3.9 mi
Not verified yet
(203) 969-2299
- Thermocare
Stamford, CT · 3.9 mi
Not verified yet
(203) 595-9321
- New England Total Energy
Greenwich, CT · 4.0 mi
Not verified yet
(203) 869-5869
- Servcon Llc.
Stamford, CT · 4.1 mi
Not verified yet
(203) 975-9106
- Greenwich Heating & Cooling, LLC
Greenwich, CT · 4.5 mi
Not verified yet
(203) 531-7511
- Royal Comfort
Port Chester, NY · 5.0 mi
Not verified yet
(914) 299-8600
- Atmosphere Cooling & Heating LLC
Stamford, CT · 5.0 mi
Not verified yet
(203) 461-9821
- CV Longo Heating and Air Conditioning
Stamford, CT · 5.1 mi
Not verified yet
(203) 968-6428
- Brian's Air Conditioning and Heating
Stamford, CT · 5.1 mi
Not verified yet
(203) 968-2665
- VOLCANO Heating & Air Conditioning
Port Chester, NY · 5.1 mi
Not verified yet
(914) 584-2774
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Old Greenwich, CT?
- 539 within 25 miles, 1 in Old Greenwich, as of October 16, 2026.
- Which HVAC companies near Old Greenwich, 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
- Stamford, CT 3 mi
- Greenwich, CT 5 mi
- Port Chester, NY 6 mi
- Rye Brook, NY 6 mi
- Purchase, NY 8 mi
- Bayville, NY 9 mi
- Harrison, NY 9 mi
- West Harrison, NY 10 mi
- Norwalk, CT 10 mi
- Mamaroneck, NY 11 mi