Direct drive whole house fan with white powder-coat finish shutter

2 speed, thermally protected 1/3 HP PSC (Permanent Split Capacitor) motor

Precision balanced aluminum fan blade assembly

4 fan blades for greater air movement

Includes 2-speed switch and wall plate

Joist-in or joist-out installation

Ceiling mount application only

Tough steel motor struts

Steel venturi for enhanced durability

24" whole house fan is appropriate for homes with up to 1800 sq ft (square foot) attics

Requires a minimum of 8 to 10 sq ft of net air exhaust vent area

30" whole house fan is appropriate for homes with 2000 to 3000 sq ft attics

Requires a minimum of 10 to 12 sq ft of net air exhaust vent area

Veins run lengthwise with stationary center vein to allow no-cut joint installation

10 year limited warranty