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HVAC, Lighting, Plumbing Initiatives Fuel LEED Certification

By Chris Matt, Managing Editor - Print & E-Media - June 2011 - Green

leed, hvac, lighting, plumbing, irrigation, sprinklers, vfds, variable-frequency drives, heat recovery, exhaust system, motors, lighting controls, daylighting


In addition to its green-power initiatives, the team focused on lighting, HVAC, and plumbing systems as targets for sustainability.

Lighting. The design of the three-story medical center aims to maximize daylight and reduce lighting-system demands. The project team specified occupancy sensors primarily for office spaces and photocells in common areas surrounded by glass facades.

Water use. The medical center features low-flow plumbing fixtures and high-efficiency toilets. Its landscaped areas, irrigated with low-flow sprinkler heads on timers, feature drought-resistant plants and grasses.

HVAC. Despite bringing in 100 percent outside air for infection control, the medical center's HVAC system is performing in an energy-efficient manner, due to technologies such as: variable-frequency drives on fan and pump motors; a glycol heat-recovery system that captures about 17 degrees out of the facility's exhaust air to help heat the incoming air during colder months; two energy-efficient chillers; and condensing hot-water boilers.





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