UnderAire™ Fresh Air Supply Fan for Crawl Spaces CS1
One fan and 10”x18” faceplate sized for ventilation openings through block foundations. Includes freeze protection thermostat, hardware packet, and pre-wired 6’ power cord.
Installs on inside or outside of crawl space opening or against a joist near “Dead Spots.” Air flow (CFM) of Fresh Air Supply Fans can be matched with air flow of Crawl Space Fans. Heavy duty galvanized steel construction. Paintable.
Add our DH2P Dehumidistat Control to have the Supply Fans turn on/off as needed based on the crawl space humidity level (see bottom of page).
Suitable for Damp Locations
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