At Amazon, get this Crawlspace Ventilation Fan for $92. It’s the best price Amazon has charged for this model. A built-in humidistat covers a 20% to 80% humidity range, and a freeze protection thermostat keeps the fan from running when outdoor temperatures fall below 35°F. Dual fans move 220 CFM of air. Shipping is free. Buy Now at Amazon
Features
Moves 220 CFM of air Dual fans with 6.56-foot grounded power cord Built-in humidistat with 20% to 80% RH range Freeze protection thermostat stops operation below 35°F Knob control panel with timer setting 18″ x 9″ x 2″ wall-mount design
