🐜AssistAnt · Pro directory
There are 364 HVAC companies within 25 miles of Smithtown, NY in the AssistAnt directory as of October 16, 2026, 3 of them based in Smithtown 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 Smithtown
- Yas Hvac Corporation
Smithtown, NY · 0.2 mi
Not verified yet
(631) 656-3313
- Bonded Mechanical Corp.
Smithtown, NY · 0.2 mi
Not verified yet
(631) 543-5619
- Solar Dad and Sons
Smithtown, NY · 1.7 mi
Not verified yet
(631) 335-1882
- Islandaire
Saint James, NY · 1.8 mi
Not verified yet
(631) 471-2900
- Miller's Heating & Air Conditioning Inc
Hauppauge, NY · 2.0 mi
Not verified yet
(631) 337-8110
- Sunray Services
Nesconset, NY · 2.2 mi
Not verified yet
(631) 887-5999
- Kings Park Heating and Air Conditioning
Kings Park, NY · 2.9 mi
Not verified yet
(516) 639-3097
- Flynn-Aire Heating & Air Conditioning
Kings Park, NY · 3.3 mi
Not verified yet
(631) 269-2700
- Reliance Heating and Cooling
Islandia, NY · 3.5 mi
Not verified yet
(631) 787-2600
- Ta Commercial Service, Inc.
Hauppauge, NY · 3.6 mi
Not verified yet
(516) 858-7240
- Elite Heating and Cooling
Stony Brook, NY · 3.6 mi
Not verified yet
(631) 402-5161
- Airpath Engineering Pc.
Hauppauge, NY · 4.0 mi
Not verified yet
(631) 357-3340
- Jet Air Co- Best Ventilation, Plumbing, Heating & Air Conditioning Hvac Contractor, Boiler Installation Long Island, New York
Hauppauge, NY · 4.0 mi
Not verified yet
(631) 887-5444
- Long Island Energy Services
Nesconset, NY · 4.0 mi
Not verified yet
(516) 483-2233
- Johnson Controls
Hauppauge, NY · 4.1 mi
Not verified yet
- Miller Aire Corp.
Brentwood, NY · 4.2 mi
Not verified yet
(631) 435-8000
- Joseph Bruno Plumbing & Heating
Ronkonkoma, NY · 4.2 mi
Not verified yet
(631) 737-6263
- Spot On Heating And Air Conditioning Corp.
Brentwood, NY · 4.3 mi
Not verified yet
(631) 210-4598
- Madison & East Mechanical
Central Islip, NY · 4.5 mi
Not verified yet
(631) 810-1024
- Gmg Hvac Inc.
Central Islip, NY · 4.5 mi
Not verified yet
(631) 268-4892
- Corporate Climate Control
Lake Grove, NY · 4.6 mi
Not verified yet
(631) 588-5877
- Thermolift
Stony Brook, NY · 4.6 mi
Not verified yet
(631) 751-3648
- Energy Mechanical
Central Islip, NY · 4.8 mi
Not verified yet
(718) 866-8544
- Sony Heating and Cooling
Brookhaven, NY · 4.9 mi
Not verified yet
(631) 452-0614
- Shona Mechanical, Inc.
Ronkonkoma, NY · 5.0 mi
Not verified yet
(631) 675-0609
- Central Mechanical
Central Islip, NY · 5.0 mi
Not verified yet
(631) 840-7510
- Long Island's Burner King, Llc
Ronkonkoma, NY · 5.1 mi
Not verified yet
(631) 738-9279
- Energywise, Inc.
Ronkonkoma, NY · 5.1 mi
Not verified yet
(631) 228-8401
- Advanced Air Conditioning, Heating & Refrigeration
Brentwood, NY · 5.1 mi
Not verified yet
(631) 231-6767
- DL Peterson Corp
Stony Brook, NY · 5.4 mi
Not verified yet
(631) 751-4755
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Smithtown, NY?
- 364 within 25 miles, 3 in Smithtown, as of October 16, 2026.
- Which HVAC companies near Smithtown, NY 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 Smithtown
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- Cleaning services in Smithtown, NY450 businesses
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- Concrete, masonry & paving in Smithtown, NY266 businesses
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- Chimney sweep & repair in Smithtown, NY60 businesses
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- Remodeling contractors in Smithtown, NY256 businesses
- Auto repair in Smithtown, NY1430 businesses
- Collision repair & auto glass in Smithtown, NY517 businesses
- Welding & fabrication in Smithtown, NY235 businesses
- Computer & phone repair / IT in Smithtown, NY358 businesses
Nearby towns
- Nesconset, NY 2 mi
- St James, NY 3 mi
- Kings Park, NY 3 mi
- Lake Grove, NY 4 mi
- Hauppauge, NY 4 mi
- Islandia, NY 4 mi
- Stony Brook, NY 4 mi
- Centereach, NY 5 mi
- Central Islip, NY 5 mi
- Ronkonkoma, NY 5 mi