Standard Shutter
No-Cut Joist Shutter for Truss Roof Systems
Digital Timers available
Attic Fan in Austin’s personal house with insulation wrap for winter. Insulation on top of fan has been removed and is ready for use.
Ahh…. A cool breeze coming through your house.
Installing the shutter
Illustration of how a whole house fan works. Cool air in…hot air out.