AirScape Whole House Fan Specifications

Model/
Features


4.4e WHF

3.5e WHF

2.5e WHF

1.7 WHF

1.0 WHF
CFM (high)44003500255017121047
CFM (low)1100 (7 Speed)800 (7 Speed)800 (5 Speed)1000 (2 Speed)600 (2 Speed)
Fans24 inch Aluminum Blade with Powder Coated Housing24 inch Aluminum Blade with Powder Coated Housing22 inch Aluminum Fan Blade with Powder Coated Housing4x 10 inch Precision Fans2x 10 inch Precision Fans
Watts (high)70038520515778
Watts (low)2520407839
Efficiency (CFM/Watt)6.3 to 449.1 to 4012.4 to 2010.9 to 12.813.4 to 15.4
Noise (dBA @1 meter)5851545553
Noise (low spd dBA)3639364443
Attic SealAirtight Motorized and Insulated Metal Door with GasketAirtight Motorized and Insulated Metal Door with GasketAirtight Motorized and Insulated Metal Door with GasketAirtight Motorized and Insulated Metal Door with GasketAirtight Motorized and Insulated Metal Door with Gasket
Insulation2 inch PolyISO/Fiberglass R-102 inch PolyISO/Fiberglass R-102 inch PolyISO/Fiberglass R-102 inch Fiberglass R-72 inch PolyISO R-14
Controls2nd Generation Controls with optional Wireless Remote2nd Generation Controls with optional Wireless Remote2nd Generation Controls with optional Wireless Remote2nd Generation Controls with optional Wireless Remote2nd Generation Controls with optional Wireless Remote
GrilleHigh Flow Cube Core White AluminumHigh Flow Cube Core White AluminumHigh Flow Cube Core White AluminumHigh Flow Cube Core White AluminumHigh Flow Cube Core White Aluminum
Grille Size24 inch x 28 inch24 inch x 28 inch16 inch x 24 inch16 inch x 24 inch16 inch x 24 inch
InstallationDrops onto 16 or 24 inch O.C. joistsDrops onto 16 or 24 inch O.C. joistsDrops onto 16 or 24 inch O.C. joistsDrops onto 16 or 24 inch O.C. joistsDrops onto 16 or 24 inch O.C. joists
Rough Opening22.5 inch x 26.5 inch22.5 inch x 26.5 inch14.5 inch x 22.5 inch14.5 inch x 22.5 inch14.5 inch x 22.5 inch
Attic Venting (NFA)9.075.04.02.0
Unit Size (l x w x h)25.75 inch x 31 inch x 14.25 inch25.75 inch x 31 inch x 14.25 inch 20.25 inch x 27 inch x 14.25 inch22 inch x 22 inch x 13 inch27.25 inch x 19 inch x 10 inch (20 when open)
Weight 102 lbs95 lbs82 lbs36 lbs26 lbs
Shipping Weight127 lbs115 lbs92 lbs56 lbs33 lbs
Electrical120VAC, 60hz, 6.0 amps120VAC, 60hz, 3.5 amps120VAC, 60hz, 3.3 amps120VAC, 60hz, 1.5 amps120VAC, 60hz, 0.75 amps
Warranty3 Years3 Years3 Years3 Years3 Years


*Due to our continual product improvement efforts, performance ratings and specifications are subject to change without notice.