D.E. Duffey

D. E. Duffey & Sons is a family-owned home comfort company serving suburban Philadelphia since 1898.

Now in its fourth generation, the business provides heating oil and a broad range of heating and cooling services to homeowners in Montgomery County and select neighboring communities. Its offerings include oil delivery and pricing programs, heating and cooling system installation, maintenance, and repair, as well as oil tank services. Equipment options include furnaces, boilers, steam and hot water systems, geothermal systems, central air conditioning, ductless mini-splits, and heat pumps.

Duffey also provides annual tune-ups and maintenance plans designed to support system efficiency, reduce the risk of breakdowns, and extend equipment life. The company installs and services systems from brands including Rheem, Fujitsu, Burnham, Lochinvar, and Energy Kinetics. Customers can arrange service, request a quote, pay online, or use the MyFuelPortal.

With 24-hour emergency service and a stated commitment to fair pricing and personal, professional care, D. E. Duffey & Sons aims to deliver dependable comfort solutions tailored to local homes