🐜AssistAnt · Pro directory
There are 246 HVAC companies within 25 miles of Millstadt, IL in the AssistAnt directory as of October 16, 2026, 1 of them based in Millstadt 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 Millstadt
- DOW Heating and Air Conditioning
Millstadt, IL · 4.1 mi
Not verified yet
(618) 476-9604
- Weir Heating and Cooling
Cahokia, IL · 5.3 mi
Not verified yet
(618) 632-6382
- Sigman Heating & Air Conditioning, Inc.
Belleville, IL · 5.3 mi
Not verified yet
(618) 234-4343
- Sigman Indoor Climate Solutions Llc
Belleville, IL · 5.3 mi
Not verified yet
(314) 436-2600
- Inman Heating & Cooling
Columbia, IL · 5.4 mi
Not verified yet
(618) 281-5355
- McGinnis Heating & Cooling
Cahokia, IL · 5.5 mi
Not verified yet
(618) 628-3907
- Vernier Sales & Service Inc.
Columbia, IL · 5.5 mi
Not verified yet
(618) 980-0269
- Galt Industries, LLC
Saint Louis, MO · 6.8 mi
Not verified yet
(314) 752-1919
- pm solutions llc
St Louis, MO · 7.3 mi
Not verified yet
(314) 952-1262
- Midwest Repair Service Llc
St Louis, MO · 7.4 mi
Not verified yet
(314) 846-5267
- Dole Heating, Air Conditioning & Duct Cleaning
St. Louis, MO · 7.6 mi
Not verified yet
(314) 631-6900
- HB Mechanical Contractors
St Louis, MO · 7.8 mi
Not verified yet
(314) 226-8463
- All Climate Services
St. Louis, MO · 7.9 mi
Not verified yet
(314) 631-0890
- Thermodyne
Belleville, IL · 7.9 mi
Not verified yet
(618) 398-7886
- countscomfortsystems
St Louis, MO · 8.0 mi
Not verified yet
(314) 324-1746
- Certified Air Ltd.
Swansea, IL · 8.0 mi
Not verified yet
(618) 277-6036
- Dunn Heating & Cooling
Saint Louis, MO · 8.1 mi
Not verified yet
(314) 809-3019
- Weis Keil-Forness Comfort Systems
Belleville, IL · 8.1 mi
Not verified yet
(618) 233-3039
- Anytime Heating and Cooling | IL
Belleville, IL · 8.1 mi
Not verified yet
(618) 520-4240
- Mertens Service Inc.
St Louis, MO · 8.2 mi
Not verified yet
(314) 845-1500
- Nick Dolinic Heating & Cooling
Saint Louis, MO · 8.2 mi
Not verified yet
(314) 631-8222
- Indoor Comfort Team
Saint Louis, MO · 8.4 mi
Not verified yet
(314) 230-9542
- Archway Cooling & Heating Inc
Belleville, IL · 8.6 mi
Not verified yet
(618) 234-2810
- Morrison Plumbing, Heating, Air, & Electrical Services
Caseyville, IL · 8.6 mi
Not verified yet
(618) 414-3942
- Vitt Heating & Cooling
Saint Louis, MO · 8.8 mi
Not verified yet
(314) 347-3389
- Kiefer Heating and Cooling
Belleville, IL · 9.0 mi
Not verified yet
(618) 277-7744
- Seliga Heating And Cooling
Saint Louis, MO · 9.0 mi
Not verified yet
(314) 481-7333
- All Seasons Heating
Belleville, IL · 9.1 mi
Not verified yet
(618) 257-2665
- DUCTZ of the Metro East
Waterloo, IL · 9.2 mi
Not verified yet
(618) 418-3030
- Air Quality Services Heating & Cooling
Saint Louis, MO · 9.3 mi
Not verified yet
(314) 487-6200
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near Millstadt, IL?
- 246 within 25 miles, 1 in Millstadt, as of October 16, 2026.
- Which HVAC companies near Millstadt, 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 Millstadt
- Appliance repair in Millstadt, IL48 businesses
- Dryer vent cleaning in Millstadt, IL13 businesses
- Used appliances in Millstadt, IL6 businesses
- Electricians in Millstadt, IL134 businesses
- Roofers in Millstadt, IL285 businesses
- Landscaping & lawn care in Millstadt, IL380 businesses
- Garage door repair in Millstadt, IL93 businesses
- Water, fire & mold restoration in Millstadt, IL73 businesses
- Concrete, masonry & paving in Millstadt, IL125 businesses
- Windows & doors in Millstadt, IL47 businesses
- Well drilling in Millstadt, IL5 businesses
- Towing in Millstadt, IL108 businesses
- Auto repair in Millstadt, IL844 businesses
- Collision repair & auto glass in Millstadt, IL225 businesses
- Excavation & heavy equipment in Millstadt, IL22 businesses
Nearby towns
- Cahokia, IL 5 mi
- Columbia, IL 7 mi
- Swansea, IL 8 mi
- Belleville, IL 9 mi
- Caseyville, IL 10 mi
- Waterloo, IL 12 mi
- Madison, IL 12 mi
- Maplewood, MO 12 mi
- O Fallon, IL 12 mi
- Granite City, IL 13 mi