Instructions / Assembly

WHERE TO LOCATE
Whole House Fans are designed to pull in fresh, cool air from the outside through open windows in your
home. Hot air that is in the home is pulled up through the fan and into the attic, and then exhausted
throughventsintheroof,undereaves,sotsorgables.
STEP 1: SELECT THE INSTALLATION SITE
1. Theunitisdesignedtobeinstalledontheooroftheatticbetweenthejoistthatareaminimumof16”on
center.Mostmodernhomesarebuiltwitheither16”or24”on-center(OC)joists.
2. SelectthelocationforyournewWholeHouseFan.Usually,locatingthefaninacentralhallwayorintheopen
areaatthetopofthestairsproducesthemostuniformairow.
3. Once you have selected the installation site, check the attic immediately above the site to be sure that there are
no ducts, piping or wiring obstructing the installation area.
4. Selectedlocationshouldhaveunobstructedspaceabovetheoorjoistofatleast22.5”Wx26”Lx30”H.
5. TheColdClimatedamperboxcanbemountedinthehorizontalorverticalorientation.Ourrecommended
locationisonaceilinginthehorizontalposition.TheBackDraftdampercanonlybeinstalledinthehorizontal
position.
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