WhisperValue FV-10VS1™ and WhisperValue-Lite™ FV-10VSL1 ventilation fans offer Energy Star® qualification, high airflow circulation, and low noise with a slim profile. Ventilation fans can mount in a slim 2- by 4-inch joist cavity, minimizing installation times. FV-10VS1 is UL-listed for wall installation. Both FV-10VS1 and FV-10VSL1 are able to achieve a high airflow circulation of 100 cfm at extremely low noise levels of 1.5 sones with its 4-inch oval, round compatible duct. The fans have totally enclosed ac condenser motors, thermal fuse protection, and are Leadership in Environmental and Energy Design-; American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 62.2-; California Title 24-; and Washington State Ventilation and Indoor Air Quality Code-compliant. The FV-10VSL1 also includes two 18-W, flicker-free, compact fluorescent lights, and a 4-W night light.
