About Mill Creek Heating Salem's Premier Geothermal Source If you are searching for a company that has a total in-house operation and a proven track record for providing homeowners with all of their Salem geothermal heating and cooling needs, you can trust Mill Creek Heating. Our total in-house operation includes... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Delivering total customer satisfaction is our utmost priority in the Salem area, and our fully trained professional staff will see to that.It's difficult not to be satisfied when you choose the best heating and cooling system on the market today. We will see to it that your new system meets all of your expectations, helping you to cut your energy costs and boost your home's conditioning efficiency. Contact Mill Creek Heating today to get a free estimate and a cost savings analysis for your home.