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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

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 think you should know the type of people you have working for you. I can only say good things about the crew that came to my house today and installed an American Standard Central heating and air conditioner.  Dave, Brian and Mark worked as a team – taking a...

Joe and Sharon M.

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.

Bill53

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