Find Us On
76°F
  • 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!

Request Service Request Estimate

Specials on Heating and Cooling Complete Systems

Save up to $1,600 back!

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

wildwest2

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

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.

I’m not sure if this is the best way to reach you with a big thank you. David and Chris did a great job over the weekend fixing our HVAC system. You guys installed it last November. The thermostat died. I called early Sunday morning and David and Chris worked...

Fritz F.

They did a great job on installation of new duct work & installing furnace with new outdoor unit.

RHK

More Reviews

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

X