Attic Gable Fan Sizing

For a single story house this is usually the same as the square footage of the house itself plus any attached garage area.

Attic gable fan sizing.

Good insulation reduces fan effectiveness. 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. Example 20 wide by 50 long attic. To determine the size of your attic multiply the width by the length of the attic floor in feet.

How to pick the best attic fan for your gable vent. The downside of attic ventilation fans. Help determine optimal sizing of solar attic fans. The formula above gives an approximate.

Best bang for the buck. After attic fan installation ac still off during day. When buying an attic fan look at the cfm rating cfm is the amount of air that is stirred in sixty seconds. How to size solar attic exhaust vent fans so we developed our solar powered attic fan sizer calculator.

During workdays would leave air conditioner off when leaving in the morning. Temp 84f at 5pm. Temp 92 f at 5pm. 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.

However the utility of attic ventilation fans is actually quite a controversial topic. Cfm cubic feet per minute is a measure of the amount of air the fan moves in a minute. Most manufacturers will provide you with the maximum attic size for your fan model. Iliving gable mount attic ventilator fan if you ve got access to your attic s gables iliving s gable mount fan is a great option for moving some air without.

Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. This was observed on numerous days following the installation. The attic fan kept my house cooler by 8f compared to pre fan installation days.