The Lancaster, Calif., YMCA wanted its new building to be comfortable while maintaining good indoor air quality and earning LEED points. Mechanical engineer Levine-Segal of Los Angeles specified a design that used Reznor HVAC equipment to heat and cool each zone in the building according to its needs. The engineers selected the Reznor PreevA series because its hybrid systems included high-efficiency, three-stage DX cooling coupled with evaporative cooling modules. The AquaSaver technology in the PreevA series increases evaporative efficiency while also reducing water consumption—a key LEED factor. The hybrid systems sensed both indoor and outdoor conditions and automatically switched back and forth from standard DX cooling to evaporative cooling mode as needed.
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