PSC Gravity Damper | 2 Speed with 8hr timer-hi/lo/off switch.
For a quiet cool and whole home ventilation, use a Tahoe T4 Whole House Fan. Tahoe series whole house fans are rated and tested to Home Ventilation Institute Standard HVI-916. This Tahoe series attic fan is designed for easy installation and an efficient quiet cool throughout the home.
Tahoe series is the best value in quiet whole house fans. If you are looking for free cooling, an ultra quiet fan, and the best attic fans, then look at the Tahoe Series by VentCool. Download the Tahoe Series Models T1 thru T5 Submittal Sheet
All VentCool Tahoe Series fans can be used to comply with 2016 Title 24 Part 6 and are eligible for Home Energy Renovation Opportunity (HERO) financing program.