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

Hi Carol – just a note to let you know how much I appreciate the customer service of Welsch Heating and Cooling – didn’t know how to email your husband, so I thought I would let you know. Yesterday – Sunday – my heater quit (it is not quite 1...

Linda M.

Just wanted to say thank you for the good service earlier today.  Phil came to our house this morning and got our A/C unit back up and running and the house is quite cool now.  Be sure to thank him for me – it’s nice to actually have to turn...

Chris N.

We just wanted to thank you for the excellent customer service your company offers.  We have been clients for close to 20 years, having regularly scheduled service calls.  Well the time finally came again, last night we called about 9 PM…We got a human (shock!) and the service tech on...

Steve and Viki F.

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.

Bill53

We have lived in our house for 16 years and have struggled with the poorly designed heating & cooling system for 10+ years. Welsch designed a new system that has brought renewed comfort to our living space. I wish we would have hired Welsch 11 years ago!

Richard H.

More Reviews

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

X