• 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

We’ve been customers of Welsch Heating and Cooling for the past 40 years. There has never been one time when their service has not been exemplary!

Debbi H.

Welsch Heating and Cooling Company provided me with excellent and timely service for my furnace repair on 10-23-14. The furnace was not working properly and with the cold months approaching, I knew I needed to have quality service to have our furnace up and running again. Mr. Rick Turlin provided...

CHarts

I have always received good service from Welsch. Today Brian C. came for my annual furnace service. He was very professional, yet friendly. He happened to arrive at a moment of crisis, as the float broke off of my sump pump just a few minutes before. He was extra patient,...

Helen P.

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