Attic Fan Use In Winter

There are three important steps to ensure the effectiveness of attic fans.

Attic fan use in winter.

An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. This pulls cool air up toward the ceiling which in turn displaces the warm air that rises and collects near the ceiling. In the late evening or early morning the fan is turned on to exhaust hot air from the house. Seal all seam joints at the ducts in the attic space and insulate the.

Prevents condensation the warm from the heat isn t the only air that collects in your attic during the winter months. Air is drawn in through the attic fan and air is expelled through the roof vent system to keep your attic cooler and drier preventing ice and moisture issues throughout the winter. Ceiling fan direction in the winter should be clockwise and the fan should run at the lowest speed. If you find any obstructions during your winter check up remove them.

Uniformly distribute insulation on the attic floor minimum 12 inches r 38. The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference. Routinely checking your attic fan for obstructions such as bird nests sticks or leaves is a good practice year round. Some can have manual switches while others use a thermostat to turn them on and off automatically.

During cold winter months the attic vent fan is not necessary. Cooler outdoor air enters through open windows lowering the indoor temperature. The warm air from exhaust fans doing laundry and even washing dishes rises up into the attic. Seal air leaks between the living spaces and the attic to prevent air movement between the spaces during summer and winter.

With proper placement an attic fan enhances the air circulation and brings the attic temperature to within 10 degrees of the outside temperature. Attic ventilation fans offer mechanical ventilation using a fan to draw in cool outside air and force out warm moist air. However even in winter ceiling fans can be used to help manage the interior climate. Make sure the fan is operational.

A whole house fan is usually installed on the attic floor near the center of your house. To combat moisture buildup a fan in the attic is essential. Small attic vents located below the roof peaks provide sufficient ventilation to let the moisture created by heat rising into the. The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside providing needed ventilation.

It circulates the air and prevents the moisture from building up. Open your windows before you turn on the fan. Attic fans come with different models. Next make sure the fan is generally clean and dry.