Just make sure the ceiling is airtight and fully insulated and the temperature in the attic doesn t matter much.
Optimal attic temperature.
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
Cold outdoor temperatures especially below freezing can wear on your furnace.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
A standard powered exhaust vent turns on when the temperature inside the attic reaches a pre set limit and runs until the temperature drops.
While these powered vents do effectively draw out the.
Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.
Hot summer weather poses the opposite problem for maintaining recommended attic temperatures.
Quelch the heat wave.
Whether it s 110 f or 130 f there s not much difference in the amount of heat flowing from the attic to the living space below.
Attics can reach temperatures of 150 to 160 degrees f during a summer day although outside air temperatures are only 95 to 97 degrees f.
Ideal attic temperature and humidity settings cold outdoor temperatures affect attics.