Good attic ventilation helps keep temperatures even preventing hot and cold spots that cause damaging ice dams where water can back up and freeze beneath your shingles.
Attic cold in fall.
Adequate attic ventilation allows cool dry air from outside to come into the attic while warm moist air inside the attic can escape.
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.
According to the u s.
Why providence homeowners must take fall pest control seriously as it gets cooler here in providence many different kinds of pests begin to make their way into warmer safer environments.
During cold winter months the attic vent fan is not necessary.
This could mean your shed garage basement and attic will be invaded by a number read full article.
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.