The old two-pipe, fan-coil system was struggling to keep up with cooling demand during Atlanta’s hot summers. So it was decided that the old fan-coil system would be replaced with water-source heat pumps, sized to handle the building’s 500- to 600-ton cooling demand.
When the Balsan Group of Johnstone Supply purchased space in Waldorf, Maryland, for its seventh branch office, the group’s Technical Service Advisor was charged with designing the HVAC system.
“We put together some sections of 2 ½-inch pipe, and Joe tried to drive a nail through them with a hammer. I remember him reporting back and saying, ‘This is not your typical plastic.’”