MENU FIND US ON 46°F REQUEST SERVICE (314) 742-9310 (Main) (314) 742-9338 (Service) Welsch Heating & Cooling Why Us We strive to be the most TRUSTED Heating and Air Conditioning Company in the St. Louis/St. Charles area with over 125 years of experience 24-hour service, 7 days a week Repair, optimize, or check your system Any Brand, Any System We service all brands! Request Service Request Estimate For the answers to our Fall Newsletter, please visit out Specials page! Specials on Heating and Cooling Complete Systems Save up to $1,600 back! SPECIALS Get it Fixed By Expert Technicians Call anytime for home or business! SERVICES Living Up to Our Commitment See what made us a national winner! REVIEWS What We Offer 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 Very fast installation Our gas furnace replacement was completed in less than 2 hours! Everything was cleaned up and working in about half the time I expected. VERY FAST INSTALLATION I think you should know the type of people you have working for you. I can only say good things about the crew that came to my house today and installed an American Standard Central heating and air conditioner. Dave, Brian and Mark worked as a team – taking a... JOE AND SHARON M. Dependable service. I have worked with John for several years. He is nice and always on time. I trust his advice. It is reassuring to have someone who knows my home system so well. The company has always been responsive to my heating and cooling needs and they are very... ROBERT P. MORE REVIEWS Home About Reviews Specials Finance Options FAQs Areas We Serve Contact HEATING & AIR CONDITIONING Residential Equipment Commercial Equipment Air Conditioning & Cooling Furnaces & Heating Air Cleaners Humidifiers Thermostats SERVICE & REPAIR Repair Services Request Service Request Estimate Parts & Accessories ABOUT From Our President Welsch Team Our History Welsch Happenings Accomplishments Organizations Careers FOLLOW SERVICE & EMERGENCIES: (314) 742-9338 CALL TODAY! X Copyright © 2021 Welsch Heating & Cooling Co. All Rights Reserved. | Privacy Policy St Louis Web Design by IQComputing Areas We Serve Contact