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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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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

They were very professional. Left the jobsite very clean. Explained the equipment quite well. Walked me through the several rebates. Overall, I cannot think of one bad thing about my experience. AG

AG

Just wanted to say thank you for the good service earlier today.  Phil came to our house this morning and got our A/C unit back up and running and the house is quite cool now.  Be sure to thank him for me – it’s nice to actually have to turn...

Chris N.

Installation technicians were here on time saw them a few minutes before they knocked at the appointment time.  I really felt bad for them considering the weather today.  But, they are really hard working professionals and weather did not impede them!  They installed both a new furnace and air conditioning...

Paul S.

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