The Master Flow 4500 CFM 24 in. Direct Drive Whole-House Fan is a smart energy saver for any home in a climate where air conditioning costs are a concern. It will allow you to beat the heat by forcing hot air out of your home through your attic space while bringing in cooler outside air through your windows and doors. A Whole House Fan is an important part of a complete home ventilating system! Unit comes with a white shutter and features a low-vibration direct-drive mechanism for reliable performance. A minimum 1100 sq. ft. of attic space with a minimum of 1008 sq. in. of net free area attic exhaust is required for proper operation.
- Moves air at a rate of up to 4500 CFMs
- 1/4 HP permanent split capacitor motor
- Direct drive motor design
- 2-speed pull chain switch control
- Includes automatic ceiling shutter in white
- Can be installed with no joist cutting
- UL/UL Canada listed