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We have the experience to handle all your commercial heating, cooling, ventilating and energy management needs. Since starting our business in 1954 we’ve done it all; from simple, small one-room offices to complex multi- story mixed-use facilities.

Let us put our experience to work for you!

Outstanding Service & Reliability

Not only do our customers benefit from our vitality and stability, but E. B. O’Reilly will provide you with the outstanding, prompt, and efficient heating, ventilating and air conditioning service you would expect from a family-owned company.
Our reliability is evident when your air conditioning system goes down in the middle of a heat wave or you find yourself without heat in the midst of a blizzard and you call E. B. O’Reilly to help out!


We respect all those that make our business a successful one. So many people are involved in the running of our everyday business and it is those relationships that we hold as invaluable. We will do everything in our power to continue to strengthen existing relationships while endeavoring to create new partnerships that will endure for years to come.

A family owned and operated company proudly servicing the Tri-State area since 1954!
EB O’Reilly & Associates is the Delaware Valley’s Commercial and Industrial Heating,
Ventilation and Air-Conditioning Climate Control and Energy Management Specialists.

EB O'Reilly Today
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23 W. Highland Avenue,
Philadelphia PA 19118

phone 215-242-8100
fax 215-242-8423

Proudly Serving the Tri-State Area since 1954