I have used Harned Durham for 20+ years. From oil deliveries, yearly maintenance, new oil tank and now moving a thermostat. Yes it is probably an easy DIY, but with an older system that the Harned team maintains so well, I asked them to move my thermostat to a different floor. They even left the old one hooked up, in case I want to change things back come winter. When I schedule service, the team is always on time..which I love and they clean up any mess they have made. They are extremely thorough to explain what they have done and answer all questions, very knowledgeable. I highly support the quality of their service. Thanks guys!!! And ladies in the office!!
Tracy H. , Allentown
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