In the summer the attic bears the brunt of the sun s rays and any heat from below rises to the attic.
How cold does an attic get.
Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent.
It works together with the attic insulation which will ensure hot air does not enter the attic from outside.
According to the u s.
The natural air flow created by a properly vented attic will move hot air out of the home.
Hot summer weather poses the opposite problem for maintaining recommended attic temperatures.
The doe recommends r 49 or better for good energy efficiency and interior.
In the winter drafts from vents and poor insulation result in chilly or ice cold temperatures.
Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.
Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit.
Ideal attic temperature and humidity settings cold outdoor temperatures affect attics.
If your attic is too cold it probably lacks sufficient protection from outside temperatures.
Quelch the heat wave.
Attic ventilation is vital to the upkeep of your home so make sure it is installed and functioning correctly.
Hang pencil and paper next to the thermometer and record the outdoor and attic.
Cold outdoor temperatures especially below freezing can wear on your furnace.
Department of energy doe the average unimproved attic has just r 19 insulation the insulation value of a five and a half inch thick fiberglass batt.