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  • Welsch Heating & Cooling

Why Us

We strive to be the most TRUSTED Heating and Air Conditioning Company in the St. Louis/St. Charles area with over 125 years of experience

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

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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

Enclosed is payment for my new A/C and furnace. Your workmen were exceptional. Ilene O.

Ilene O.

My wife and I got home last night at 10:00 to find that our main floor furnace was not working.  We have an upstairs furnace as well but no one lives there right now.  I immediately called the people who put the HVAC in our house originally and who I...

Ray W.

I have used them since 1997 and have never been disappointed! Once we had a horrible sickening smell in our house. The gas company couldn’t and told us to call the fire department who said maybe it was The furnace. It was 2 degrees F outside and we had to...

VC

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