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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

We have been using Welsch for over 20 years and have been impressed with every aspect of their service and products. Everyone is knowledgeable, friendly and always ready to help. We always highly recommend them to our friends.

PN

We called Welsch to provide a second opinion after another service provider recommended a new furnace. The technician was not only professional, prompt and courteous, he was unbelievably thorough! He insisted on combing through every aspect of our furnace to diagnose a problem, and found one in the most unlikely...

Lynn P.

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

RHK

Installation technicians were here on time saw them a few minutes before they knocked at the appointment time.  I really felt bad for them considering the weather today.  But, they are really hard working professionals and weather did not impede them!  They installed both a new furnace and air conditioning...

Paul S.

The furnace went out during a cold snap in March. Welsch was here with different options available from repair to a new unit. We opted for a new air conditioner and heater as the old one was close to 15 years old. They were competitive with other dealers so we...

Jean P.

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

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