• J.F. Hierholzer Mechanical & Electric


    Commercial HVAC (new construction)Boiler ServiceChiller ServiceCommercial HVAC (service)Commissioning/Retro-CommissioningControlsFacility MaintenanceFood ProcessingHospital/HealthcareIndustrialPharmaceuticalPlumbing (New Construction)Plumbing (Service)Process & Power PipingRefrigerationResidential HVACTesting & Balancing

    About Us

    JF Hierholzer Mechanical & Electric is a small, family business that is large on being a full-service Mechanical & Electrical contractor. We service & install plumbing, heating, cooling, and electrical systems & components in commercial, industrial, institutional & manufacturing facilities, along with hi-end residential buildings. We also perform BFP tests and I.T.M. on fire sprinkler systems, including electric & diesel driven fire pump testing. Our staff are experienced, factory trained and/or authorized to install, start up, & service products from a variety of manufacturers. JFH Mechanical employs hard working, experienced, professional SteamFitters & Plumbers who are members of the Philadelphia Local Unions. We are committed to their safety in the workplace, along with their prosperity. As we grow, we hope to provide exceptional, diverse, & affordable service to all of our many customers, including building owners & managers, as well as fellow contractors.

    MCA, NCPWB, MCAA, LU 420 & 690, RSES, IAEI, EAP, NFSA, ASCET, NCPWB, PHCC-UAC, ICC-Liberty Chapter

    NCPWB Certified Welders, Phila. Registered Master Plumbers, ASSE BFP Technicians registered in PA, Phila & NJ, OSHA 30, Phila. & NJ Master Electrician, Confined Space Training Permit, Nicet Level 2 ITM of Wet Systems, Phila Fire Suppression Systems license, Phila Warm Air License, RSES CMS Heating Specialist & HVAC Electrical Specialist, UA Star

    Rep/Contact Info

    Jeffrey Hierholzer
    John Hierholzer
    • Phone: (215) 675-1076
    Joanne Murphy
    Office Manager
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