Attic Temperature Vs Outside Temperature

Your insulating and heating cooling the house not the attic.

Attic temperature vs outside temperature. I hit 130 degrees in my attic when the outside temperature was. A check the temperature an hour before sunrise. Simply undertstand that the insulation in your inner envelope ceiling attic floor must insulate the inner envelope of your house living area against whatever temp is in your attic. Temperatures were measured using thermocouples and recorded over a 3 year period from october 1991 through september 1994 using a datalogger multiplexer device.

Warner is right that the attic should be close to the outside temp. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. 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.

What should be the difference between outside inside temperature of an attic on a summer day versus a winter day. Interior attic air exterior air inner and outer sheathing and internal rafter temperatures of black and white shingled chambers were monitored. I have recently added a ridge vent to my roof and have also been taking temperature readings. Ideally you don t want it any hotter than it is outside but reality generally prevent this from happening.

However more often than not. Should there be a difference between a 78 degree day and a 98 degree day.