My Attic Is Cold

Air infiltration leaky ducts and improperly sized hvac systems all contribute.

My attic is cold.

Meaning 25 of incoming air coming in from each side soffit to total 50 fresh incoming air and then 50 exhausting capability. Within the attic insulation is a must. So if it s cold outside and attic is cold more attic insulation obviously to keep house warmer and help with controlling heat loss. Attics aren t the only culprit but they re a very common one.

Intake vents located at the lowest part of the roof under. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. Ridgevent how is the air intake on the house. If your attic is too cold it probably lacks sufficient protection from outside temperatures.

Proper precaution in an uninsulated attic such as the department of energy s recommended r30 to r49 insulation for warm climates r30 to r60 for moderate climates and r49 to r60 for cold climates. Hang pencil and paper next to the thermometer and record the outdoor and attic. Cool air in hot air out attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. In fairness to attics having cold spots throughout your home can result from a combination of problems.

A thick insulation between 14 to 18 inches will help reduce heat from entering your home. You can install ridgevent all day long but if you dont have a proper venting system that creates it s onw convection current it ll be stagnet regardless. 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. They can also make those other problems worse.

If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.