Harned Durham specializes in heating oil and propane delivery, along with expert installation and servicing of furnaces, boilers, central air conditioning, ductless mini-splits, heat pumps, and water heaters. For nearly a century, we have proudly served communities across the Lehigh Valley, including Emmaus, Macungie, Lanark, Limeport, Shimerville, and Vera Cruz, PA. With decades of experience, we are committed to providing our valued customers with unmatched reliability in fuel delivery and equipment service.