Our Projects

These are some of our projects

  • Howard Young Correctional Facility

    The project single prime job entailed the replacement of the existing Cleaver Brooks flex tube boiler, heating hot water pumps, expansion tanks, and accessories in the co...

  • Pool Filter Replacement at Hollinger Field House

    Hollinger Fieldhouse is the University’s major basketball facility. It is also the primary North Campus indoor recreation facility for the University. It is heavily used...

  • Reed Henderson High School - Chiller Plant Upgrade

    The project included providing and installing a modular chiller, air cooled condensing unit, piping, valves, and insulation on the roof and in the boiler room at Henderso...

  • Southwark Elementary School – Mechanical Plant Replacement

    This project included demolition of the existing piping, equipment, walls and floors. The existing brick floor was removed and a new concrete floor was installed. Conc...

  • Delaware Youth & Family Center

    The project included the replacement of a closed circuit cooler and associated system components outside the Main Administrative Office Building of the Delaware Youth & F...

  • Graham Natatorium

    This fast paced construction project commenced July 2014. Work consisted of draining the 800,000 gallon pool, removal and replacement of the existing diatomaceous earth s...

  • Scannell Readiness Center - Boiler Replacement

    The scope of this project included removing and replacing the existing heating plant and associated pumps, valves, meters, electrical service and piping within the boiler...

  • Natatorium HVAC Replacement

    The scope of this project included furnishing and installing indoor swimming pool heat pump dehumidification system on top of the Township’s Community Center. The system ...

  • Campus Geothermal Utility Conversion

    Our work on this project consisted of the installation of steam and hydronic boilers and supporting equipment and systems in the Borough of West Chester in Chester County...

5101 Birney Highway
Aston, PA 19014

Contact Us

email info@gemmsi.com

office (610) 361-9667

fax (610) 361-9677