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  • Welsch Heating & Cooling

Why Us

We strive to be the best heating and air conditioning 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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Get it Fixed By Expert Technicians

Call anytime for home or business!

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

Steve W. arrived on time. He cleaned out the air filters and showed me how dirty they were. He checked the outdoor AC units and cleaned them out. Said there was a lot of pine needles in them. One of the AC units was slightly low on freon and he...

Kyle P.

I felt the need to write and praise your company! I have used Welsch for almost 15 years for heating and a/c maintenance and service. I had a slight emergency today, called this morning and you had someone come this afternoon. Chris Sasse was the technician and could not have...

Paula J.

Yesterday (Thursday) I called with an air conditioning problem.  After my call a serviceman contacted me (he was working in North County) letting me know that he will call again.  He did and 15 min later he arrived, diagnosed the problem and fixed it. The heat was suffocating, I watched...

Frank H.

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Service & Emergencies: (314) 567-6347 Call Today!

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