Attic Temperature Differential Winter

If your attic soars above 100 degrees and reaches the 150 mark its time to consult.

Attic temperature differential winter.

As snow accumulates it alters the temperature profile of an attic and roof surface. The temperature difference between summer and winter are here about 70 c. It removes excess heat from an attic in summer and humidity in winter and allows equalization of inside and outside attic temperatures dual humidity control. Snowpack on a roof covering vents of any type alters the airflow from ventilation thus altering the.

In south florida the typically daytime temperature might be 92 degrees to 95 degrees and the attic temperature might vary from 120 degrees for a tile roof to 140 degrees for a dark color shingle roof. During the winter yes but not during the summer. Is there any rule of thumb for attic temps compared to outside temp. Adjustable thermostat and humidistat control has 10 amps 120 volts ac.

My house is a 1979 basic ranch style house and ive always had bad ice problems. The summers are very warm and the winters cold. Attic ventilation i am providing here a bit of background information because this is a very canadian problem and mostly unknown to people in less extreme climates such as e g europe. The white roof lowered the attic temperature by about 20 f.

Thermostat setting adjusts from 60 120 degrees f normal settings are 85 110 degrees f. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. The cooling load for a home air conditioner depends on the difference in temperature between the inside and outside air and reduction of attic temperatures from 155 degrees to 105 degrees f will result in a significant reduction in cooling load.