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Welcome


D.E. Duffey Welcome to home comfort made more convenient and accessible than ever. Welcome to a world of heating and cooling products and services unlike any you've experienced. Welcome to a time-honored tradition of customer-centric family business that dates all the way back to 1898. Welcome to suburban Philadelphia's first and finest full-service home comfort company. Welcome to D.E. Duffey & Sons ... or more specifically, welcome to the D.E. Duffey & Sons website.

Here you will find a range of resources for all your heating and cooling needs. You'll also gain access to a wealth of information and innovations that allow you to manage your home comfort with confidence and peace and mind.

D.E. Duffey & Sons is here to keep you comfortable, with exceptional service and quality products. It's what we've done for over 100 years, and what we intend to do for at least 100 more. So stay awhile, look around, and let us know what you think. We'd love to hear from you.

From the Blog

Get The Consistent Hot Water Comfort You Deserve

08/17/15With September approaching, it’s time to start thinking once again about the quality of your home water heating. Though a muggy Pennsylvania summer may have caused you ... read more.

Heat Your Home Efficiently With Geothermal Technology

07/14/15 Imagine harnessing the earth’s natural power to comfortably heat your home, all while getting a significant tax break. With a Geotherm ... read more.


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Get The Consistent Hot Water Comfort You Deserve

Posted: 08/17/15 ... read more.

Heat Your Home Efficiently With Geothermal Technology

Posted: 07/14/15 ... read more.

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D.E. Duffey & Sons, Inc.
1982 Butler Pike
Conshohocken, PA 19428
610-940-1400


D.E. Duffey
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