🐜AssistAnt · Pro directory
There are 168 HVAC companies within 25 miles of Waterloo, IL in the AssistAnt directory as of October 16, 2026, 5 of them based in Waterloo 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 Waterloo
- Jaenke Heating & Air Conditioning
Waterloo, IL · 0.2 mi
Not verified yet
(618) 939-8029
- Miller Heating & Cooling
Waterloo, IL · 0.8 mi
Not verified yet
(618) 939-8594
- Bradley Johnson Climate Control
Waterloo, IL · 5.0 mi
Not verified yet
(618) 806-9500
- Brinkmann Heating And Cooling
Waterloo, IL · 5.1 mi
Not verified yet
(618) 939-5950
- DUCTZ of the Metro East
Waterloo, IL · 5.2 mi
Not verified yet
(618) 418-3030
- Greenfield Larry
Columbia, IL · 6.3 mi
Not verified yet
(618) 939-8293
- Vernier Sales & Service Inc.
Columbia, IL · 7.6 mi
Not verified yet
(618) 980-0269
- Inman Heating & Cooling
Columbia, IL · 7.7 mi
Not verified yet
(618) 281-5355
- DOW Heating and Air Conditioning
Millstadt, IL · 8.4 mi
Not verified yet
(618) 476-9604
- Wilson & Son Heating & AC
Red Bud, IL · 11.9 mi
Not verified yet
(618) 282-5500
- Derousse Heating & Air Conditioning Inc
RED BUD, IL · 12.0 mi
Not verified yet
(618) 282-7227
- Weis DeRousse Heating & Cooling
Red Bud, IL · 12.0 mi
Not verified yet
(618) 282-2224
- Mohr Plumbing & Heating
Red Bud, IL · 12.5 mi
Not verified yet
(618) 282-2108
- Inman Heating & Cooling
Saint Louis, MO · 12.7 mi
Not verified yet
(314) 293-2600
- Academy Air Heating, Cooling, Plumbing and Electric
Imperial, MO · 12.7 mi
Not verified yet
(314) 370-6074
- Total Comfort Group Llc
Saint Louis, MO · 12.8 mi
Not verified yet
(314) 481-8451
- SafeAir Duct Care
Imperial, MO · 13.1 mi
Not verified yet
(314) 900-3828
- Awtrey Heating & Air Conditioning
Arnold, MO · 13.4 mi
Not verified yet
(636) 464-4822
- Mertens Service Inc.
St Louis, MO · 13.6 mi
Not verified yet
(314) 845-1500
- Countywide Heating & Cooling, Llc
Barnhart, MO · 13.7 mi
Not verified yet
(636) 464-2730
- JT Dunn Climate Control
St. Louis, MO · 13.7 mi
Not verified yet
(314) 809-3019
- One Hour Heating & Air Conditioning® Of St. Louis
Saint Louis, MO · 13.7 mi
Not verified yet
(314) 463-4604
- Busch Heating & Cooling
Arnold, MO · 13.8 mi
Not verified yet
(636) 464-2600
- Best Air Heating & Cooling
Arnold, MO · 13.8 mi
Not verified yet
(314) 540-1203
- Thermodyne
Belleville, IL · 14.1 mi
Not verified yet
(618) 398-7886
- R & R HEATING & COOLING
New-Athens, IL · 14.2 mi
Not verified yet
(618) 475-3318
- Indoor Comfort Team
Saint Louis, MO · 14.3 mi
Not verified yet
(314) 230-9542
- Froggy's Heating & Air LLC
Arnold, MO · 14.3 mi
Not verified yet
(314) 799-9206
- Archway Cooling & Heating Inc
Belleville, IL · 14.4 mi
Not verified yet
(618) 234-2810
- Arnold Air Inc.
Arnold, MO · 14.4 mi
Not verified yet
(636) 296-1200
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Waterloo, IL?
- 168 within 25 miles, 5 in Waterloo, as of October 16, 2026.
- Which HVAC companies near Waterloo, 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 Waterloo
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- Roofers in Waterloo, IL196 businesses
- Landscaping & lawn care in Waterloo, IL255 businesses
- Cleaning services in Waterloo, IL165 businesses
- Pest control in Waterloo, IL69 businesses
- Locksmiths in Waterloo, IL62 businesses
- Painters in Waterloo, IL57 businesses
- Water, fire & mold restoration in Waterloo, IL55 businesses
- Concrete, masonry & paving in Waterloo, IL94 businesses
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- Remodeling contractors in Waterloo, IL87 businesses
- Auto repair in Waterloo, IL581 businesses
- Collision repair & auto glass in Waterloo, IL155 businesses
- Diesel & truck repair in Waterloo, IL27 businesses
- Welding & fabrication in Waterloo, IL105 businesses
- Trucking in Waterloo, IL61 businesses
Nearby towns
- Columbia, IL 7 mi
- Millstadt, IL 12 mi
- Red Bud, IL 12 mi
- Imperial, MO 13 mi
- Barnhart, MO 14 mi
- Herculaneum, MO 15 mi
- New Athens, IL 15 mi
- Belleville, IL 15 mi
- Arnold, MO 15 mi
- Swansea, IL 16 mi