John F. Harkins
Mechanical Expert Witness

Phone: 484-461-3000
Cell: 610-955-6200

Services & Renovations Category


Performed inspection and maintenance during August shout down period to assist and supplement. MERCK’s work force on approximately 150 Ultra low freezer boxes. All work was performed in compliance with MERCK procedures and Federal Join Commisssion (JACO)

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Building 38 Polysac Plumbing U.G. and 450 tons of Roof Top HVAC Units . – Building 75-A under slab piping storm, sanitary, lab waste, fire and domestic water ($180,000.00).

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E. I. DuPont Nemours & Co.

DuPont Automotive Products – Marshall Labs. Harkins & Harkins Mechanical Services, Inc. has installed a complete HVAC system for the new pigment lab wing. In addition, we have done extensive modification, consisting of approximately 4000 running feet of spiral duct, to the air exhaust system on the five-story test lab. Total sales in excess of […]

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Weth Ayerst

Harkins has completed several industrial HVAC, laboratory and office renovation projects in excess of $2,000,000.00.

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Chester Upland School District

Harkins has developed a strong relationship with the school district and has become the Contractor of choice on major projects and emergency situations. Harkins has been involved in major repairs, maintenance of equipment, replacement units, emergency service following flood disasters, etc.

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