Turn the attic fan off and unplug the motor from the thermostat.
How do you know if your attic fan is on.
Step 2 test the thermostat.
You simply add up the nfas of all your vents and divide that number by the area of the attic to determine whether you re within the 1 150 ratio.
If you want your home air conditioner to cool you.
Step 1 test the fan motor.
Powered attic ventilator fans designed to cool your attic by drawing the hot and humid air out of the attic and bring in a flow of chilly air from outside.
If the fan turns on the motor is still good.
Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet.