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

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 employees have always been professional and helpful. They have provided the best service and solutions possible to all of our needs over the years.

JPatti

You have done an excellent job coordinating and expediting all of our service work.  You have kept our owner and tenant happy!  Every representative I have met and worked with is an outstanding ambassador for your company.  Appearance, knowledge and service are second to none.  You are number one!  Please...

Roger S.

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

My wife and I got home last night at 10:00 to find that our main floor furnace was not working.  We have an upstairs furnace as well but no one lives there right now.  I immediately called the people who put the HVAC in our house originally and who I...

Ray W.

More Reviews

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