Attic Venting For 1500 Sq Ft

This in turn can help save money on your heating and cooling costs.

Attic venting for 1500 sq ft. Ventilation area in square feet. Calculate or enter the square footage of the attic or area to be vented. The erv6 model power roof mount vent can move air at a rate of up to 1500 cu. And this guideline.

Based on your 1100 sq. In order to facilitate this exchange of warm and cool air the general rule of thumb suggests installing at least 1 sq. Of area which gave me 12 8 or 13 sq ft. Ideally half the vents should be located in the soffit at the bottom of the roof and half in gable or ridge vents near the top.

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. Remember the minimum area requirement when using a continuous system is a ratio of 1 300. Of vent for every 300 sq. I took the 1921 sq ft.

Now let s figure out how much ventilation space we need. So in our example we will divide the 1 500 square feet by 300. Divided by 150 sq ft. 1 500 square feet.

Of soffit vent area. Ok so now we know the square footage of the attic area to be ventilated. See professionally prepared estimates for attic insulation work. It can efficiently remove a larger volume of hot and or humid air from your attic when compared to static ventilation.

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. Building codes vary. Take the 13 sq ft and divide by 2 which gives you 6 5 sq ft. Ft you divide that by 150 to get 10 sq.

Of vent space for every 150 sq. See typical tasks and time to insulate an attic along with per unit costs and material requirements. 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. So if your attic is 1 500 sq.

The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. For example a 6 by 12 inch soffit vent has 72 square inches which when divided by 144 results in a 0 5 square foot opening. Get fair costs for your specific project requirements. 30 feet x 50 feet 1 500 square feet.

Net free area in square inches. Attic area in square feet. I m in california so the code equires 1 sq ft. Of ventilation area per 150 sq ft.