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  • Welsch Heating & Cooling

Why Us

We strive to be the best heating and air conditioning company in the St. Louis/St. Charles area with over 120 years of experience

  • 24-hour service, 7 days a week
    Repair, optimize, or check your system!
  • FREE Estimates
    For your home or business
  • Any Brand, Any System
    We service all brands!

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Specials on Heating and Cooling Complete Systems

Save up to $1,600 back!

Get it Fixed By Expert Technicians

Call anytime for home or business!

Living Up to Our Commitment

See what made us a national winner!

What We Offer

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Your Comfort Company
Over a Century of Experience

We’ve had more than 100 years to apply our expertise to take care of your heating and cooling needs. Committed to quality customer care, our technicians continue to service the Greater St. Louis area just as current president George "Butch" Welsch’s great-grandfather did when he started The Welsch Furnace Company (now Welsch Heating and Cooling Company) in 1895. Welsch Heating and Cooling Company has received numerous awards and recognition for service excellence, civic responsibility and overall performance as a business leader in the St. Louis area and our commitment to our customers and to the community thrives today.

Reviews

Removed old equipment and installed new heating & air-conditioning system in our home. All work was completed in one day as promised, and performed in a very professional manner.

Horace P.

I cannot remember the cost, but we got a new furnace and AC unit. They also installed a new thermostat that does wifi. I was pleased with their prompt, neat service.

Barbara U.

Just wanted to say thank you for the good service earlier today.  Phil came to our house this morning and got our A/C unit back up and running and the house is quite cool now.  Be sure to thank him for me – it’s nice to actually have to turn...

Chris N.

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Service & Emergencies: (314) 567-6347 Call Today!

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