How Much Temperature Difference Does Proper Attic Vents Make

Ideal attic temperature and humidity settings.

How much temperature difference does proper attic vents make.

System to maintain a steady attic temperature of at least 68 degrees. Proper ventilation in your attic helps address excess heat and moisture that can otherwise wreak havoc on your home. Whether it s 110 f or 130 f there s not much difference in the amount of heat flowing from the attic to the living space below. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.

Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Just make sure the ceiling is airtight and fully insulated and the temperature in the attic doesn t matter much. Proper precaution in an uninsulated attic such as the department of energy. Now if the ridge vent is only partial or if the attic air temperature is excessive 20 degrees higher than the outside air fans may prove beneficial pick the right fan.

Intake vents located at the lowest part of the roof under the eaves allow cool. Areas with hot summers and cold winters can suffer the effects of both.