Attic Fan Size

It helps to cool your home temperatures and the attic by approximately 30 degrees.

Attic fan size.

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. For a single story house this is usually the same as the square footage of the house itself plus any attached garage area. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows. An attic fan is an electric exhaust fan that mounts in your home s attic.

Cfm cubic feet per minute is a measure of the amount of air the fan moves in a minute. Master flow 1450 cfm silver electric powered gable mount electric attic fan model egv5smt view the master flow gable vents 118 00 118 00. 20 x 50 1 000 sq. To determine the size of your attic multiply the width by the length of the attic floor in feet.

Example 20 wide by 50 long attic. Attic fan size calculator. The whole house fan is installed inside the attic between the living space and ceiling. This attic ventilation calculator computes the size and number of solar powered attic fans to achieve the proper ventilation for your attic.

The inexpensive fans can help reduce heating and cooling costs by evacuating superheated or cold air from your home s. The formula above gives an approximate. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. Attic fan size calculation attic fan size cfm 0 7 x sq ft area of the attic formula 1 the size of an attic fan is calculated in terms of cfm.

This will help to avoid premature damage to the shingles or mold building up in moist hot. Set your store to see local availability add to cart. 1150 cfm galvanized steel electric powered attic fan with adjustable thermostat model gf 14 429 00 429 00.