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Service & Repair

Parts & Accessories

We carry a full inventory of parts and accessories for furnaces, air conditioning units, air cleaners, and humidifiers.

This includes replacement media filters and humidifier pads. Call our parts department at 314-567-6347 for prices and additional information. You may also submit a request for more information online.

 

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Reviews

Our family tried 4 other company’s in St. Louis to replace old boiler and three AC units for a 4,500 sq. ft. , 100 year old home. It was a VERY complex project involving a lot of thought and creativity. The project was also completed a week before its expected...

G.S.

I have used Welsch Heating and Cooling for over 17 years. They are always responsive and very helpful!

JDS

They installed a new furnace and a-coil for us. The installers were very professional and did a great job.

Mike S.

Salesman professional and personable. Installers on time and careful to not dirty up house. New A/C works great.

Davy L.

Welsch had been doing the maintenance on my old system, which was replaced with a new one this winter. From the service on the old to the installation on the new, I have been very happy with the quality of the work and the excellent service I get from everyone...

SF

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