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Areas We Serve

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
  • 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
  • O’Fallon, MO
  • St. Charles City
  • St. Peters
  • Wentzville

Illinois

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

Service Map

ServiceArea

Reviews

Had one air conditioner serviced. Tech was punctual and professional.I appreciated the update as to when the tech would arrive.

Paul K.

We got four estimates and two of them were pretty high and two were very close, Welsch being one of those. But at the end of the day I was very happy with Welsch and the amount of time they took to figure out the right size AC and Furnace...

Dan P.

Just sending a note of thanks for a job well done with the furnace and air conditioner replacement at my home.  I appreciate your efforts on the sales side of this project.  I also want to thank the men for the professional installation.  They were prompt, friendly, informed and answered all of...

Tom P.

By the way, Welsh just installed a new system (furnace and a/c) in my father’s town house in Eureka. His a/c went out during the height of the August heat wave. Denny Turlin was our sales rep. As always, we got great service from Denny and your company!

Brad J.

Just want you to know how very happy we are with the excellent job Mike did on all of our copper gutters/flashing and dormers.

John and Mary P.

More Reviews

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