Welsch Heating & Cooling, a cornerstone of the St. Louis, Missouri community, brings over a century of dedicated expertise to residential and commercial HVAC needs. Founded in 1895 by George "Butch" Welsch’s great-grandfather, the company has built a legacy of exceptional service and commitment to customer comfort. Operating with a deep understanding of the region's climate demands, Welsch Heating & Cooling offers comprehensive solutions for heating, cooling, and indoor air quality. Their mission is rooted in providing reliable, high-quality service, ensuring that every home and business in the Greater St. Louis area experiences optimal comfort and efficiency. This long-standing dedication is reflected in their enduring relationships with customers and their continuous pursuit of service excellence. They pride themselves on being a trusted partner for all HVAC requirements, upholding the values established over generations.
With over 100 years of operational history, Welsch Heating & Cooling stands as a testament to enduring quality and customer dedication in the St. Louis area. The company's extensive experience, passed down through generations, ensures a deep understanding of HVAC systems and customer needs. They emphasize their commitment to service excellence, a principle that has earned them national recognition and a strong reputation within the community. Welsch Heating & Cooling services all makes and models of HVAC equipment, providing a comprehensive solution for any brand. Their availability is further underscored by their 24-hour, 7-day-a-week emergency service, ensuring that clients can rely on them for urgent issues at any time. This commitment to accessibility and expertise, combined with a focus on customer satisfaction, positions Welsch Heating & Cooling as a leader in the HVAC industry, dedicated to maintaining the comfort and well-being of their clients.
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I had a wonderful experience with Welsch Heating and Cooling. David came out to give me a bid. David was very knowledgeable, ...
Called John Welsch after business hours to fix my AC Unit. It was 100° outside and John talked me through how to troubleshoot...
We contacted Welsch to give us an estimate on running some duct work in our basement as we are finishing it. Denny came out a...
All of the employees that I dealt with were extremely professional and were willing to work with my busy schedule. Steve, wh...
The service tech (Colin) that has been helping us with our AC has been fantastic! He is very kind, responsive, knowledgeable,...
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Serves St. Louis and surrounding areas
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Moderate climate with balanced heating and cooling needs year-round.
Peak Season: June - August, December - February
Tip: Spring and fall are ideal for HVAC maintenance.

