Moving heated air out of the attic during the cooling season reduces the load on a home s air.
How to test attic ventilator thermostat.
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Attic fans help homeowners save on power and repair bills.
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Step 2 test the thermostat.
Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet.
An important control element of this home appliance is the thermostat.
Two possible ways of testing and adjusting a power attic ventilator.
Set the thermostat to turn on mode and plug a hand held shop light into it.
However they are not an effective ventilation mechanism and it can get really hot in the attic during summer.
If the fan turns on the motor is still good.
How to attach a thermostat to an attic fan.
Turn the attic fan off and unplug the motor from the thermostat.