Aug 14 2017 if you ve ever had to go digging through your attic in the summer to try and find something you realize immediately the temperature in your attic is noticeably hotter.
Normal attic temperature in summer.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home inspector jamison brown of amerispec home inspection services in poquoson.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
In some cases attic temperatures can reach above the 150 degree mark.
However more often than not.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.