Wm. J. Donovan Co. 3429 West Indiana Avenue Philadelphia, PA 19132 Phone: 215-225-3677 Fax: 215-225-3678 QUALITY SHEET METAL FABRICATION AND INSTALLTION SINCE 1913 Building owners, Construction Managers, and Mechanical Contractors have relied on our products and services for 85 years to meet...

TESTING AND BALANCING SERVICES As a National Environmental Balancing Bureau (NEBB) certified Firm in both Air and Hydronic Systems, Wm. J. Donovan Co. has the ability to combine our experience in systems installations with our state of the art instrumentation in the hands of trained technicians, to ...

Wm. J. Donovan Co. 3429 West Indiana Avenue Philadelphia, PA 19132 Phone: 215-225-3677 Fax: 215-225-3678 QUALITY SHEET METAL FABRICATION AND INSTALLTION SINCE 1913 Building owners, Construction Managers, and Mechanical Contractors have relied on our products and services for 85 years to meet...

ABOUT OUR ORGANIZATION The Wm. J. Donovan Co. has been in the business of designing, fabricating, and installing sheet metal products and systems for the HVAC and related industries for eighty-five years. Our continuing commitment is evident in the involvement of our people in organizations dedicate...

HVAC SOLUTIONS Whether you're assembling a bid package for your plan and spec project, or need a design/build solution to a unique application, Wm. J. Donovan Co. has the know-how and experience to ensure a successful endeavor. While the fabrication and installation of ductwork comprises the majorit...