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Welsch Heating and Cooling demonstrated strong technician knowledge and responsiveness across multiple service areas, with installers executing ductwork projects efficiently, field technicians providing after-hours troubleshooting guidance, and the sales process delivering clear project scoping and reasonable pricing. Installation quality met customer expectations, with experienced technicians completing work within estimated timeframes while explaining system operation and maintaining clean work sites.
Based on Google reviews
About the Contractor
Welsch Heating & Cooling Company is a family-owned HVAC contractor based in St. Louis, Missouri, established in 1895 and operating for over 125 years. The company serves St. Charles County and St. Louis County with geothermal heat pump installation, repair, and maintenance as an authorized GeoComfort dealer. Their technicians are trained in closed-loop system design and installation with knowledge of local soil conditions affecting geothermal performance. Welsch is a member of the BBB, HBA, SMACNA, ACCA, and local chambers of commerce. Google rating is 4.5 stars from 162 reviews. The company services both residential and commercial properties and carries Bryant, GeoComfort, Lennox, and Trane equipment. Emergency service is available 24/7. Service area covers St. Charles County and St. Louis County.
Family-owned since 1895 with over 125 years of HVAC expertise in the St. Louis area, offering comprehensive closed-loop geothermal installation and loop-field design with understanding of local soil conditions.
Service Details
emergency
Emergency Service
24/7 Available
factory
Brands Installed
Bryant, GeoComfort, Lennox, Trane
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24/7 Emergency
Business Hours
Mon24h
Tue24h
Wed24h
Thu24h
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Sat24h
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Regulatory Context
Geothermal Permitting in Missouri
Geothermal heat pump installations in Missouri require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
Yes. Welsch specializes in geothermal heat pump installation, repair, and maintenance for the St. Louis area. Their closed-loop systems use bore holes 150–300 feet deep to exchange heat energy from soil, and they offer comprehensive loop-field design services tailored to local soil conditions.
Geothermal systems offer greater energy efficiency, quieter operation, and superior longevity. Indoor units typically last 25 years, while underground piping can last up to 100 years. Geothermal is green technology that both heats and cools your home year-round.
Yes. Welsch Heating & Cooling offers promotional financing options to expand your purchasing power for heating and cooling system installations.
Welsch is an authorized dealer for major HVAC brands including Lennox, Bryant, Trane, Honeywell, Samsung HVAC, and GeoComfort. They service all brands and all system types.
Yes. Welsch offers 24-hour emergency service, 7 days a week, for both heating and cooling needs, including geothermal system repair and maintenance.
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If you need to reach Welsch Heating & Cooling directly: (314) 872-8070
Geothermal heat pump installations in Missouri may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
