🐜AssistAnt · Pro directory
There are 345 HVAC companies within 25 miles of Islip, NY in the AssistAnt directory as of October 16, 2026, 11 of them based in Islip 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 Islip
- Advanced Air Conditioning, Heating & Refrigeration
Brentwood, NY · 1.2 mi
Not verified yet
(631) 231-6767
- Energy Mechanical
Central Islip, NY · 1.5 mi
Not verified yet
(718) 866-8544
- Central Mechanical
Central Islip, NY · 1.5 mi
Not verified yet
(631) 840-7510
- Schillco Mechanical Inc.
Islip, NY · 1.6 mi
Not verified yet
(631) 650-9658
- D and S Mechanical Services
Islip, NY · 1.8 mi
Not verified yet
(631) 581-4490
- Duro Dyne Corporation
Bay Shore, NY · 2.1 mi
Not verified yet
(631) 249-9000
- Manatuck Heating & Air Conditioning
Bay Shore, NY · 2.5 mi
Not verified yet
(631) 875-8925
- Air-Tech Cooling & Heating
Bay Shore, NY · 2.6 mi
Not verified yet
(631) 894-7521
- Ta Commercial Service, Inc.
Hauppauge, NY · 2.7 mi
Not verified yet
(516) 858-7240
- All Service Heating and Conditioning Inc.
Islip Terrace, NY · 2.7 mi
Not verified yet
(631) 254-4328
- Miller Aire Corp.
Brentwood, NY · 2.8 mi
Not verified yet
(631) 435-8000
- Spot On Heating And Air Conditioning Corp.
Brentwood, NY · 2.8 mi
Not verified yet
(631) 210-4598
- Bay Shore Fuel Co
Bay Shore, NY · 3.0 mi
Not verified yet
(631) 665-8800
- Hendrickson Fuels
Islip, NY · 3.0 mi
Not verified yet
(631) 665-0023
- Gmg Hvac Inc.
Central Islip, NY · 3.0 mi
Not verified yet
(631) 268-4892
- Ace Shore Mechanical
Islip, NY · 3.0 mi
Not verified yet
(631) 665-4777
- Loyal Building Services
Bay Shore, NY · 3.0 mi
Not verified yet
(631) 647-4040
- Iconic Mechanical Services Corp.
Bay Shore, NY · 3.1 mi
Not verified yet
(718) 898-5500
- Madison & East Mechanical
Central Islip, NY · 3.1 mi
Not verified yet
(631) 810-1024
- Jet Air Co- Best Ventilation, Plumbing, Heating & Air Conditioning Hvac Contractor, Boiler Installation Long Island, New York
Hauppauge, NY · 3.1 mi
Not verified yet
(631) 887-5444
- Airpath Engineering Pc.
Hauppauge, NY · 3.2 mi
Not verified yet
(631) 357-3340
- Long Island Energy Services
Nesconset, NY · 3.2 mi
Not verified yet
(516) 483-2233
- Johnson Controls
Hauppauge, NY · 3.2 mi
Not verified yet
- Reliance Heating and Cooling
Islandia, NY · 3.3 mi
Not verified yet
(631) 787-2600
- MSD Heating & Cooling
Islip, NY · 3.3 mi
Not verified yet
(631) 813-6909
- herber plumbing
BAY SHORE, NY · 3.4 mi
Not verified yet
(631) 666-1036
- Tedco Mechanical
Deer Park, NY · 3.6 mi
Not verified yet
(631) 807-7679
- Millennium Air Inc.
Babylon, NY · 3.7 mi
Not verified yet
(516) 840-8895
- Wilson's Plumbing Heating HVAC & Electric
Bay Shore, NY · 4.1 mi
Not verified yet
(631) 855-5832
- Peter's Heating and Cooling Service Inc
East Islip, NY · 4.2 mi
Not verified yet
(516) 630-3898
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Islip, NY?
- 345 within 25 miles, 11 in Islip, as of October 16, 2026.
- Which HVAC companies near Islip, 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 Islip
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- Plumbers in Islip, NY255 businesses
- Electricians in Islip, NY357 businesses
- Roofers in Islip, NY228 businesses
- Landscaping & lawn care in Islip, NY520 businesses
- Cleaning services in Islip, NY395 businesses
- Pest control in Islip, NY134 businesses
- Painters in Islip, NY129 businesses
- Garage door repair in Islip, NY56 businesses
- Handyman services in Islip, NY89 businesses
- Pool & spa service in Islip, NY100 businesses
- Water, fire & mold restoration in Islip, NY146 businesses
- Concrete, masonry & paving in Islip, NY245 businesses
- Fence contractors in Islip, NY49 businesses
- Gutter services in Islip, NY38 businesses
- Home inspectors in Islip, NY99 businesses
- Flooring in Islip, NY48 businesses
- Windows & doors in Islip, NY137 businesses
- Remodeling contractors in Islip, NY244 businesses
- Towing in Islip, NY100 businesses
- Auto repair in Islip, NY1409 businesses
- Collision repair & auto glass in Islip, NY501 businesses
- Diesel & truck repair in Islip, NY58 businesses
- Motorcycle, marine & small engine repair in Islip, NY76 businesses
- Welding & fabrication in Islip, NY206 businesses
- Machine shops & CNC in Islip, NY111 businesses
- Computer & phone repair / IT in Islip, NY319 businesses
- Excavation & heavy equipment in Islip, NY24 businesses
Nearby towns
- Central Islip, NY 1 mi
- Brentwood, NY 2 mi
- Islip Terrace, NY 3 mi
- Hauppauge, NY 3 mi
- Bay Shore, NY 3 mi
- East Islip, NY 4 mi
- Islandia, NY 4 mi
- Deer Park, NY 5 mi
- Ronkonkoma, NY 5 mi
- Oakdale, NY 5 mi