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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

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.

We have lived in our house for 16 years and have struggled with the poorly designed heating & cooling system for 10+ years. Welsch designed a new system that has brought renewed comfort to our living space. I wish we would have hired Welsch 11 years ago!

Richard H.

On another note, my mother received her very generous Bread Co. gift card (for recommending you to me).  She has promised to take me out for a delicious lunch.  We both thank you.  It is difficult to find businesses today that provide personal and dependable service.  The Welsch company is...

Cindy N.

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