Get Your A/C Tune-Up for Only $99.50

Before the cooling season begins, get your air conditioning maintenance check-up from D.E. Duffey. Now through May 31st, we will tune-up your central A/C for only $99.50 to help make sure your system is ready for those hot summer days ahead.

Plus, a tune-up from the A/C pros at D.E. Duffey could save you thousands of dollars in energy bills and repair costs.

Contact us today to schedule your air conditioning system tune-up for only $99.50!

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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

Beat The Heat With A Brand New Home Cooling System

06/22/15Now that you’ve had your air conditioning on for a few weeks, have you begun to notice inconsistencies in your home’s cooling? Is your system making strange noises? A ... read more.

Get Your A/C Tune-Up for Only $99.50

05/01/15As temperatures continue to rise, Pennsylvania homeowners must prepare to run their central air conditioning systems at full throttle. Before the cooling season begins, g ... read more.

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Beat The Heat With A Brand New Home Cooling System

Posted: 06/22/15 ... read more.

Get Your A/C Tune-Up for Only $99.50

Posted: 05/01/15 ... read more.


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D.E. Duffey & Sons, Inc.
1982 Butler Pike
Conshohocken, PA 19428

D.E. Duffey
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