Attic Venting For 1500 Sq Ft

If you prefer the answer in square inches rather than square feet multiply the answer by 144 and round to the nearest inch 2 33 x 144 336 sq.

Attic venting for 1500 sq ft. Ok so now we know the square footage of the attic area to be ventilated. The erv6 model power roof mount vent can move air at a rate of up to 1500 cu. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic. Suitable for 3 12 to 8 12 roof pitch.

Ft you divide that by 150 to get 10 sq. Part of a balanced attic ventilation system for year round airflow. The federal housing administration recommends 1 square foot of attic ventilation for every 150 square feet of attic space. Of vent space for every 150 sq.

Humidity sensors are also available that cut the fan on if moisture in the attic becomes too high. Net free area in square inches. So in our example we will divide the 1 500 square feet by 300. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.

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. In order to facilitate this exchange of warm and cool air the general rule of. Fan thermostat set the thermostat on your attic vent fan so that it cuts on between 100 and 110 f. And this guideline.

Now let s figure out how much ventilation space we need. Remember the minimum area requirement when using a continuous system is a ratio of 1 300. Requires intake ventilation for proper performance. So if your attic is 1 500 sq.

Based on your 1100 sq. 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. Building codes typically echo the administration s guidelines. Attic area in square feet.

Calculate or enter the square footage of the attic or area to be vented. 1 500 cfm cubic feet of airflow per minute ventilates up to 2 100 sq. Ventilation area in square feet. The rule of thumb on the amount of vent space needed is approximately 1 sq.

1 500 square feet. It is designed for attic spaces up to 2800 sq.