My Attic Is Cold

Intake vents located at the lowest part of the roof under.

My attic is cold.

During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck. 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. Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit.

A thick insulation between 14 to 18 inches will help reduce heat from entering your home. Within the attic insulation is a must. Air infiltration leaky ducts and improperly sized hvac systems all contribute. Meaning 25 of incoming air coming in from each side soffit to total 50 fresh incoming air and then 50 exhausting capability.

If your attic is too cold it probably lacks sufficient protection from outside temperatures. 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. 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.

According to the u s. Ridgevent how is the air intake on the house. In fairness to attics having cold spots throughout your home can result from a combination of problems. So if it s cold outside and attic is cold more attic insulation obviously to keep house warmer and help with controlling heat loss.

They can also make those other problems worse.