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Heating & Air Conditioning

Residential Equipment

We furnish and install a complete line of heating, air conditioning, air cleaning and humidifying equipment from the following manufacturers:

Manufacturers

Each Manufacturer provides us with all available efficiencies of both furnaces and air conditioning units. For detailed information please contact us at 314-872-8070 and speak with one of our Sales Engineers.

For more information about all of our products, including air conditioning, furnaces, humidifiers, thermostats, and air filtration systems, please see our FAQ page.

Reviews

Yesterday (Thursday) I called with an air conditioning problem.  After my call a serviceman contacted me (he was working in North County) letting me know that he will call again.  He did and 15 min later he arrived, diagnosed the problem and fixed it. The heat was suffocating, I watched...

Frank H.

P.S. I forgot to mention that Ed was our family repairman for a long time — I have good memories of him giving me broken parts to play with/disassemble when I was a kid!

Nick S.

Welsch did a great job installing our outdoor a/c unit and replacing the coil. Quick, professional, polite and treated my fiancé with respect. Really appreciate the work they did.

Mike M.

I just want to take a moment to thank you for the manner in which a service request was handled yesterday, May 29th. First of all thank you for getting a technician out here with a few hours. Secondly, I really appreciate the way the resolution to my problem was...

Dennis D.

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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