Evapco open cooling towers reject heat from the buildings condenser water system serving Bulldog Hybrid Heat Pumps and Makeup Air Units throughout the building. Freeheat is shared throughout the building using a common condenser water loop. A Lakos side stream sand filter was used to extend the life of the HVAC system equipment and maintain high energy efficiency. Swegon GOLD Air Handling Units provide ventilation to various spaces In the building.