Salem, Oregon, Is Going Geothermal! Mill Creek Heating has absolutely had a hand in that! We're a heating and cooling contractor who’s expertise is installing and servicing geothermal systems right here in Salem, Oregon. Area residents trust us for ... our experienced, highly educated staff our expert geothermal installation and service capabilities the planning assistance and advice we give - to help Salem customers get the most from their geothermal installations If you've been thinking of going geothermal, contact Mill Creek Heating today, Salem's first-choice geothermal contractor. (For a preview of the kind savings your family could experience with a geothermal heating and cooling system, try our easy Geothermal Savings Calculator.)