How To Test Powered Attic Ventilator

A how to demonstration of wiring your xxfirestat or power attic vent thermostat.

How to test powered attic ventilator.

These fans draw air from the attic and send. This model draws its energy. Air flows in through the soffit vents and out through the roof vents. A fan that won t run is often caused by a failed motor or a bad thermostat.

Step 1 test the fan motor turn the attic fan off and unplug the motor from the thermostat. In my original article i focused on makeup air. Once done test that the motor still works by plugging the motor into an extension cord that is connected to an outlet. A significant amount of that cooling is likely to come from conditioned air being sucked up from the house below.

For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. If you see dampness or frost you need better roof ventilation and some attic vents. Grab a flashlight and inspect your attic during the winter. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated.

That is i said that when you run a power attic ventilator in a typical house yes it will cool the attic down. One reason power attic ventilators don t help. Moreover if you have asphalt shingles on the roof attic. One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.

If the fan turns on the motor is still good. When connected to the thermostat they can turn on and off automatically depending on the current household temperature and the specific settings. How to test an attic fan motor and thermostat.