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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

Perfect dealer to do business with. Very courteous,very professional,very patient. Workmen were exceptionally efficient. Excellent cleanup. Explained everything that even an old guy like me could understand it. Sales rep was outstanding.,and office staff is tops. Would highly recommend this company to everyone.

Tom S.

Salesman professional and personable. Installers on time and careful to not dirty up house. New A/C works great.

Davy L.

I have used Welsch Heating and Cooling for over 17 years. They are always responsive and very helpful!

JDS

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