🐜AssistAnt · Pro directory
There are 265 HVAC companies within 25 miles of St. Charles, MO in the AssistAnt directory as of October 16, 2026, 15 of them based in St. Charles 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 St. Charles
- H & A Mechanical Services Inc
St. Charles, MO · 0.9 mi
Not verified yet
(636) 856-1750
- Integrity Aire
St. Charles, MO · 1.0 mi
Not verified yet
(314) 803-3664
- American Home Heating & Air Conditioning
St. Charles, MO · 1.2 mi
Not verified yet
(636) 946-1055
- Blatz Mechanical LLC
St. Charles, MO · 1.2 mi
Not verified yet
(636) 244-9155
- Kdya Group Usa Llc
St. Charles, MO · 1.4 mi
Not verified yet
(314) 504-6448
- Assured
St. Charles, MO · 2.0 mi
Not verified yet
(314) 651-5969
- Stokes Comfort Systems Heating & Cooling
St. Charles, MO · 2.0 mi
Not verified yet
(314) 582-0555
- Leiber Heating & Air Conditioning
St. Charles, MO · 2.4 mi
Not verified yet
(636) 947-0428
- Koch Air-St Louis
Maryland Heights, MO · 2.5 mi
Not verified yet
(314) 595-7600
- American Services St Louis
Earth City, MO · 2.6 mi
Not verified yet
(314) 733-1776
- Pallardy Heating & Air Conditioning Co.
St. Charles, MO · 2.7 mi
Not verified yet
(636) 946-2779
- Automatic Climate Control
St. Charles, MO · 3.0 mi
Not verified yet
(636) 949-2300
- St. Louis Heating & Cooling
Bridgeton, MO · 3.1 mi
Not verified yet
(314) 438-6182
- Trane
Bridgeton, MO · 3.3 mi
Not verified yet
(314) 301-6000
- Ozark Mechanical
St. Peters, MO · 3.7 mi
Not verified yet
(636) 317-1234
- Premier, Inc
St. Charles, MO · 3.7 mi
Not verified yet
(636) 916-1122
- Air Comfort Service, Inc
St. Peters, MO · 3.9 mi
Not verified yet
(636) 447-4411
- Coleman Heating and Sheet Metal
Bridgeton, MO · 4.0 mi
Not verified yet
(314) 291-8884
- ILLY HVAC
St. Charles, MO · 4.1 mi
Not verified yet
(314) 808-2162
- Cisco Heating & Air Conditioning Inc
St. Peters, MO · 4.3 mi
Not verified yet
(636) 477-0100
- MRC Services
Bridgeton, MO · 4.6 mi
Not verified yet
(314) 651-0561
- Agers Heating & Air Conditioning
St. Peters, MO · 4.7 mi
Not verified yet
(636) 422-5665
- American Society Of Heating & Cooling Specialists
Maryland Heights, MO · 4.8 mi
Not verified yet
(314) 337-8337
- S & R Mechanical Inc.
St. Louis, MO · 5.4 mi
Not verified yet
(314) 594-7263
- Comfort Experts, Inc
St. Charles, MO · 5.5 mi
Not verified yet
(636) 939-9220
- Academy Air Heating, Cooling, Plumbing and Electric
Hazelwood, MO · 5.8 mi
Not verified yet
(314) 798-7506
- Calumet Cooling LLC
St. Peters, MO · 5.9 mi
Not verified yet
(636) 249-6202
- No Problem Heating and Cooling
St. Peters, MO · 5.9 mi
Not verified yet
(636) 400-7776
- Cornerstone Comfort Solutions
St. Peters, MO · 6.1 mi
Not verified yet
(636) 534-1888
- Budget Heating, Cooling & Plumbing
St. Peters, MO · 6.1 mi
Not verified yet
(636) 887-2800
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near St. Charles, MO?
- 265 within 25 miles, 15 in St. Charles, as of October 16, 2026.
- Which HVAC companies near St. Charles, MO 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 St. Charles
- Appliance repair in St. Charles, MO61 businesses
- Dryer vent cleaning in St. Charles, MO13 businesses
- Used appliances in St. Charles, MO10 businesses
- Plumbers in St. Charles, MO167 businesses
- Electricians in St. Charles, MO150 businesses
- Roofers in St. Charles, MO333 businesses
- Landscaping & lawn care in St. Charles, MO410 businesses
- Cleaning services in St. Charles, MO296 businesses
- Pest control in St. Charles, MO101 businesses
- Locksmiths in St. Charles, MO93 businesses
- Painters in St. Charles, MO104 businesses
- Garage door repair in St. Charles, MO87 businesses
- Handyman services in St. Charles, MO67 businesses
- Pool & spa service in St. Charles, MO31 businesses
- Water, fire & mold restoration in St. Charles, MO77 businesses
- Concrete, masonry & paving in St. Charles, MO143 businesses
- Fence contractors in St. Charles, MO28 businesses
- Gutter services in St. Charles, MO27 businesses
- Chimney sweep & repair in St. Charles, MO17 businesses
- Junk removal in St. Charles, MO13 businesses
- Home inspectors in St. Charles, MO48 businesses
- Flooring in St. Charles, MO51 businesses
- Windows & doors in St. Charles, MO65 businesses
- Home security systems in St. Charles, MO44 businesses
- Remodeling contractors in St. Charles, MO161 businesses
- Insulation contractors in St. Charles, MO16 businesses
- Towing in St. Charles, MO92 businesses
- Auto repair in St. Charles, MO860 businesses
- Collision repair & auto glass in St. Charles, MO224 businesses
- Diesel & truck repair in St. Charles, MO32 businesses
- Motorcycle, marine & small engine repair in St. Charles, MO29 businesses
- Welding & fabrication in St. Charles, MO135 businesses
- Machine shops & CNC in St. Charles, MO97 businesses
- Computer & phone repair / IT in St. Charles, MO193 businesses
- Excavation & heavy equipment in St. Charles, MO18 businesses
- Trucking in St. Charles, MO86 businesses
Nearby towns
- Earth City, MO 2 mi
- Bridgeton, MO 4 mi
- St. Peters, MO 5 mi
- Maryland Heights, MO 6 mi
- St. Ann, MO 7 mi
- Chesterfield, MO 8 mi
- Hazelwood, MO 9 mi
- Weldon Spring, MO 9 mi
- Olivette, MO 9 mi
- Overland, MO 9 mi