PSC Motor | Gravity Damper | 2 Speed with 8hr timer-hi/lo/off switch.
For a quiet cool and whole home ventilation, use a Tahoe T3 Whole House Fan. Tahoe series whole house fans are rated and tested to Home Ventilation Institute Standard HVI-916. This attic fan is designed for easy installation and an efficient quiet cool throughout the home. Tahoe fans can be used to comply with 2016 Title 24 Part 6 and are eligible for Home Energy Renovation Opportunity (HERO) financing program.