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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

Purchased a new air conditioner and furnace and was impressed from the initial sales contact, to verifying what we needed, installation and clean up. Everyone we dealt with did a great job and we love our new system.

Kara L.

I was very happy with the prompt, professional service when we purchased our new furnace. All options were presented in a clear, concise way. I would definite recommend Welsch.

Mary H.

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.

Welsch Heating and Cooling Company provided me with excellent and timely service for my furnace repair on 10-23-14. The furnace was not working properly and with the cold months approaching, I knew I needed to have quality service to have our furnace up and running again. Mr. Rick Turlin provided...

CHarts

I would like to again compliment one of your fine employees.  He comes two times a year and is always on time, I told him if he is early come anyway, so now he is a little early, great.  He is very efficient and I think does a good job,...

Dan V.

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