Williams Heating Service specializes in designing, engineering, and installing complete comfort systems for owners of existing homes and buildings just like yours. We take special pride in doing the job right. It’s not only about installing your heating or cooling system—it’s about providing you with the right equipment for your home or business.  We also pay special attention to air flow and efficiency.

Williams Heating & Cooling is an independent service provider and installer of heating and cooling systems and accessories in Hartford, Wisconsin and surrounding areas. We are able to install and service most major brands. We place a high value not only on our own level of service, but also the quality of products we install, so we do have preferred manufacturers we choose to work with.

Brands We Install and Service

  • Trane
  • Amana
  • Maytag
  • Ruud
  • Burnham
  • Weil McClain
  • Climatemaster

Brands We Service

  • Olsen
  • Frigidaire
  • Goodman
  • Trane
  • Ruud
  • Bryant
  • Armstrong
  • Comfortmaker
  • Amana
  • Rheem
  • Heil
  • Gibson
  • Luxaire
  • Payne
  • Tempstar
  • Lennox
  • York
  • American standard
  • Arcoaire
  • Janitrol
  • Carrier
  • Weatherking
  • Coleman
  • Ducane
  • Burnham
  • Munchkin