Test attic fan thermostat
Why it matters
A stuck-on attic fan pulls conditioned air from the house in winter, increasing heating costs. A seized motor creates excess roof heat and can cause shingle damage.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another test attic fan thermostat.
How to do it
- 1
Access your attic safely using a sturdy ladder and ensure proper lighting.
- 2
Locate the attic fan unit and identify the thermostat switch on the housing.
- 3
Check the current thermostat setting temperature by reading the dial or display.
- 4
Manually rotate the fan blades by hand to verify they spin freely and smoothly.
- 5
Listen for any grinding, squeaking, or friction sounds that indicate bearing wear.
- 6
Lower the thermostat setting slightly and listen for a click to confirm activation.
- 7
Restore the thermostat to your desired seasonal temperature threshold.