🐜AssistAnt · Pro directory
There are 213 HVAC companies within 25 miles of Union, IL in the AssistAnt directory as of October 16, 2026, 1 of them based in Union 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 Union
- R&r Climate Inc
Union, IL · 0.0 mi
Not verified yet
(815) 601-3800
- Air Force One Heating and Cooling
Marengo, IL · 2.5 mi
Not verified yet
(815) 568-9400
- Arctic Heating & Cooling
Marengo, IL · 3.5 mi
Not verified yet
(815) 568-7686
- BTU Heating and Air Conditioning
Huntley, IL · 3.9 mi
Not verified yet
(847) 529-6321
- Cork's Plumbing, Heating, & Cooling
Huntley, IL · 6.7 mi
Not verified yet
(224) 569-3000
- Woodstock Heating, Cooling & Electrical
Woodstock, IL · 7.5 mi
Not verified yet
(815) 338-0282
- Air First Mechanical
Woodstock, IL · 7.7 mi
Not verified yet
(815) 568-0628
- Hansen Heating, Plumbing & Air
Huntley, IL · 7.9 mi
Not verified yet
(847) 669-5000
- Mg Mechanical Contracting, Inc.
Woodstock, IL · 8.7 mi
Not verified yet
(815) 334-9450
- Ramirez Mechanical
Crystal Lake, IL · 9.0 mi
Not verified yet
(815) 404-4287
- WeatherWise Heating & Cooling, Inc.
Crystal Lake, IL · 9.4 mi
Not verified yet
(815) 362-7338
- Cka Mechanical Inc.
Hampshire, IL · 10.0 mi
Not verified yet
(224) 218-1060
- Platinum Heating and Cooling
Crystal Lake, IL · 10.5 mi
Not verified yet
(847) 740-5717
- Millennium Piping
Crystal Lake, IL · 10.6 mi
Not verified yet
(312) 345-0560
- A & J General
Lake In The Hills, IL · 10.8 mi
Not verified yet
(847) 658-2299
- Absolute Comfort
Crystal Lake, IL · 11.0 mi
Not verified yet
(815) 893-9276
- Legacy Home Services
Crystal Lake, IL · 11.1 mi
Not verified yet
(815) 938-0137
- Priority Mechanical Group
Algonquin, IL · 11.2 mi
Not verified yet
(847) 854-4924
- Wally's Heating & Ac
Lake in the Hills, IL · 11.3 mi
Not verified yet
(847) 542-3343
- Trademark Mechanical Inc
Crystal Lake, IL · 11.3 mi
Not verified yet
(847) 426-8445
- D & T Hvac
Lake In The Hills, IL · 11.5 mi
Not verified yet
(815) 444-9101
- Approved Comfort
Lake in the Hills, IL · 11.5 mi
Not verified yet
(815) 459-8700
- Schwartz & Co. Heating & Cooling
Crystal Lake, IL · 11.5 mi
Not verified yet
(815) 378-3677
- Four Seasons Heating, Air Conditioning, Plumbing, & Electric
Crystal Lake, IL · 11.8 mi
Not verified yet
(815) 649-1480
- Arctic Heating & Cooling
Crystal Lake, IL · 11.9 mi
Not verified yet
(815) 459-1255
- WeatherWise Heating & Cooling, Inc.
Crystal Lake, IL · 12.0 mi
Not verified yet
(815) 477-7766
- Rabine Mechanical
Crystal Lake, IL · 12.2 mi
Not verified yet
(815) 331-1035
- AirWorks Heating, Cooling & Radiant LLC
Gilberts, IL · 12.2 mi
Not verified yet
(847) 742-7299
- Assured Appliance & Heating & Air
Genoa, IL · 12.2 mi
Not verified yet
(847) 293-0047
- Countryside Mechanical
Hampshire, IL · 12.4 mi
Not verified yet
(847) 683-0815
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Union, IL?
- 213 within 25 miles, 1 in Union, as of October 16, 2026.
- Which HVAC companies near Union, IL 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 Union
- Plumbers in Union, IL159 businesses
- Landscaping & lawn care in Union, IL337 businesses
- Painters in Union, IL67 businesses
- Concrete, masonry & paving in Union, IL117 businesses
- Windows & doors in Union, IL49 businesses
- Remodeling contractors in Union, IL95 businesses
- Towing in Union, IL57 businesses
- Auto repair in Union, IL634 businesses
- Motorcycle, marine & small engine repair in Union, IL43 businesses
- Welding & fabrication in Union, IL117 businesses
- Machine shops & CNC in Union, IL183 businesses
Nearby towns
- Marengo, IL 3 mi
- Huntley, IL 6 mi
- Woodstock, IL 7 mi
- Lake In The Hills, IL 10 mi
- Crystal Lake, IL 11 mi
- Hampshire, IL 11 mi
- Algonquin, IL 12 mi
- Genoa, IL 12 mi
- Gilberts, IL 12 mi
- Wonder Lake, IL 13 mi