WhisperGreen Select

Although ASHRAE, ENERGY STAR®, LEED for Homes, and HVI have set the industry standard for performance measurement at 0.1” and 0.25" w.g., WhisperGreen® Select™ fans not only provide the powerful CFM output at 0.375" w.g. that is more representative of most installations.  Sones have also been certified at 0.25" w.g. to provide a more realistic installed value