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  • Welsch Heating & Cooling

Why Us

We strive to be the best Heating and Air Conditioning Company 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

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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

I could not be happier with my decision to use Welsch.

Jeff C.

On Sunday evening during the high heat, I called as the a/c was providing warm air.  I received a call that Service was alerted.  Without any intervention on my part, the problem was determined and a new a/c was in operation by 2:00 PM.  That’s “organization”.

Russ B.

This note is to thank you for the excellent service we received from you.  At 4:30 AM we called the answering service. We received a call that the technician was in the driveway.  After a quick diagnosis, he went and got the needed part and by 8:45 AM he had...

Joan Z.

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