How Cold Does An Attic Get

According to the u s.

How cold does an attic get.

In the summer the attic bears the brunt of the sun s rays and any heat from below rises to the attic. Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. It works together with the attic insulation which will ensure hot air does not enter the attic from outside.

R49 works well in cold climates particularly areas where it s common for businesses and schools to be shut down due to extremely cold temperatures the recommended level for most attics is to insulate to r38 or about 10 to 14 inches depending on the insulation type according to energy star. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Ideal attic temperature and humidity settings cold outdoor temperatures affect attics. Quelch the heat wave.

If your attic is too cold it probably lacks sufficient protection from outside temperatures. The natural air flow created by a properly vented attic will move hot air out of the home. Cold outdoor temperatures especially below freezing can wear on your furnace. Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.

Attic ventilation is vital to the upkeep of your home so make sure it is installed and functioning correctly. In the winter drafts from vents and poor insulation result in chilly or ice cold temperatures. The doe recommends r 49 or better for good energy efficiency and interior. Intake vents located at the lowest part of the roof under the eaves allow cool.