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Service Area

Koppeis Heating & Cooling is based in Farmington, MO, and serves residential and commercial customers throughout the area. Contact us today for your heating and cooling needs! 

We are proud to offer service in the counties of St. Francois, Iron, Madison, Ste Genevieve, Washington, and the following communities:

  • Middle Brook
  • Mineral Point
  • Park Hills
  • Pilot Knob
  • Potosi
  • Saint Mary
  • Ste Genevieve
  • Tiff
  • Valles Mines
  • Irondale
  • Ironton
  • Knob Lick
  • Leadwood
  • Marquand
  • Middle Brook
  • Mineral Point
  • Park Hills
  • Pilot Knob
  • Potosi
  • Saint Mary
  • Ste Genevieve
  • Tiff
  • Valles Mines