Whole House Fans

Master Flow whole house fans are smart energy savers for any climate where cooling costs are a concern. They help beat the heat by forcing hot air out of the home while bringing in cooler outside...

Master Flow whole house fans are smart energy savers for any climate where cooling costs are a concern. They help beat the heat by forcing hot air out of the home while bringing in cooler outside air. Whole house fans are an important part of a complete home ventilation system.Unit: EA

Master Flow Fan Shutter, Automatic, 35-3/4 in Length x 30-1/4 in Width Overall, 33-3/4 in Length x 28-1/4 in Width Opening, Aluminum, Enamel, WhiteUnit: EA

Master Flow Fan Shutter, Automatic, 35-3/4 in Length x 30-1/4 in Width Overall, 33-3/4 in Length x 28-1/4 in Width Opening, Aluminum, Enamel, WhiteUnit: EA

Master Flow Fan Shutter, Automatic, 42-1/2 in Length x 37-3/4 in Width Overall, 40-1/2 in Length x 35-7/8 in Width Opening, Aluminum, Enamel, WhiteUnit: EA

Master Flow Fan Shutter, Automatic, 42-1/2 in Length x 37-3/4 in Width Overall, 40-1/2 in Length x 35-7/8 in Width Opening, Aluminum, Enamel, WhiteUnit: EA

Master Flow whole house fans are smart energy savers for any climate where cooling costs are a concern. They help beat the heat by forcing hot air out of the home while bringing in cooler outside...

Master Flow whole house fans are smart energy savers for any climate where cooling costs are a concern. They help beat the heat by forcing hot air out of the home while bringing in cooler outside air. Whole house fans are an important part of a complete home ventilation system.Unit: EA

Master Flow Standard Timer, 115 V, 60 Hz Frequency, Vertical Mounting, Steel Housing Material, Dimensions: 2-1/2 in D, Suitable for: Fans, Includes: Plastic Knob, WallplateUnit: EA

Master Flow Standard Timer, 115 V, 60 Hz Frequency, Vertical Mounting, Steel Housing Material, Dimensions: 2-1/2 in D, Suitable for: Fans, Includes: Plastic Knob, WallplateUnit: EA