Service Areas

Areas We Serve

St. Louis City/County

  • Affton
  • Arnold
  • Ballwin
  • Brentwood
  • Bridgeton
  • Chesterfield
  • Clarkson Valley
  • Clayton
  • Concord
  • Crestwood
  • Creve Coeur
  • Des Peres
  • Ellisville
  • Eureka
  • Fenton
  • Florissant
  • Frontenac
  • Glencoe
  • Grover
  • Hazelwood
  • Imperial
  • Kirkwood
  • Ladue
  • Lemay
  • Manchester
  • Maplewood
  • Maryland Heights
  • Oakville
  • Overland
  • Richmond Heights
  • St. Albans
  • St. Ann
  • Sunset Hills
  • Town & Country
  • Unincorporated St. Louis County
  • University City
  • Valley Park
  • Webster Groves
  • Wildwood

St. Charles County

  • Cottleville
  • Dardene Prairie
  • Lake St. Louis
  • Wentzville

Illinois

  • Belleville
  • Collinsville
  • Columbia
  • Edwardsville
  • Fairview Heights
  • Maryville
  • O’Fallon, IL
  • Shiloh
  • Swansea

Service Map

ServiceArea

Reviews

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

This note is to thank you for the excellent service we received from you.  At 4:30 AM we called the answering service. We received a call that the technician was in the driveway.  After a quick diagnosis, he went and got the needed part and by 8:45 AM he had...

Joan Z.

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

Perfect dealer to do business with. Very courteous,very professional,very patient. Workmen were exceptionally efficient. Excellent cleanup. Explained everything that even an old guy like me could understand it. Sales rep was outstanding.,and office staff is tops. Would highly recommend this company to everyone.

Tom S.

I just wanted to drop a note of sincere “thanks” for the wonderful service we received today. When my kids called me this afternoon to tell me that the A/C was blowing warm air and that it was 84 degrees in the house, I immediately called Welsch’s emergency service line...

Jane C.

More Reviews

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

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