BEL-O Cooling & Heating Inc.

90 Whitehall Dr
O Fallon IL 62269

Sponsored Topics

Opening Hours

Mon - Fri 8:00 am - 5:00 pm, Sat - Sun Closed


  • Discover
  • Master Card
  • Visa
  • Debit
  • Check
  • Cash

See a problem? Let us know!
BEL-O Cooling & Heating provides residential and commercial HVAC sales, service and installation in the O' Fallon, IL area. BEL-O has been a family owned and operated company since we opened our doors in 1959. We service all makes and models and also provide plumbing services.

Our repair and new installation services include:

• Preventative maintenance

• Service agreements and extend warranties

• Indoor air quality

• Duct cleaning and sealing

• Drain and sewer


• Geothermal heating system

• Boilers and Furnaces

We also sell and repair fireplaces. Our team at BEL-O Cooling & Heating consists of professionals from several trades. We have sheet metal workers, heating and cooling technicians, plumbers, pipefitters, design engineers, sales specialist and customer service personnel. Our trained technicians can care for any indoor comfort system your home or business may have, even if it is not a Carrier System.

Call BEL-O Cooling & Heating today for prompt and reliable service!