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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

We just wanted to thank you for the excellent customer service your company offers.  We have been clients for close to 20 years, having regularly scheduled service calls.  Well the time finally came again, last night we called about 9 PM…We got a human (shock!) and the service tech on...

Steve and Viki F.

The furnace went out during a cold snap in March. Welsch was here with different options available from repair to a new unit. We opted for a new air conditioner and heater as the old one was close to 15 years old. They were competitive with other dealers so we...

Jean P.

I would like to compliment you on the quality of work and courtesy of the technicians who did the installation.  These employees are certainly an asset to your firm.

Dan J.

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