Attic Venting For 1500sqft

Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed.

Attic venting for 1500sqft.

Calculate or enter the square footage of the attic or area to be vented. How to determine the number of attic vents. Calculating ventilation area of attic kitchen ventilation text. There are several different types of attic vents to choose from.

The federal housing administration fha recommends one square foot of attic ventilation which includes both intake and exhaust for every 300 square feet of attic. Let s use the following simple ranch house for an example. Sunlight 25 watt solar gable fan. The master flow erv5 power roof vent is the master flow erv5 power roof vent is a great overall investment in attic ventilation.

In some circumstances you can have less but we recommend the 1 150 ratio. Install gable mounted. Broan attic ventilation 14 in dia electric gable vent fan. The house measures 30 feet by 50 feet.

Soffit vents allow outside air to. Master flow 15 in dia electric gable vent fan. Do not use mechanical means electric attic fans. Here s a closer look at attic ventilation options and recommendations for homeowners.

For pricing and availability. Of venting technically net free vent area or nfva for each 150 sq. Attic vent fans are commonly rated from 800 to 1 600 cfm making one fans suitable for attics of up to around 2 200 square feet. Proper air circulation through the attic space helps lower cooling bills and prolongs the life of roofing materials.

Locate roof mounted fans on the back of the roof below the ridge but not so high as to be visible from the front of the house in the middle of the main part of the attic. Intake vents located at the lowest part of the roof under the eaves allow cool. As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in. It can quickly remove a larger volume of hot and or humid air from your attic when compared to static ventilation.

Ok to determine how much ventilation area you need for your house all you need to know is the square foot area of the attic to be ventilated. So a house with a 1 500 sq ft. 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. For pricing and availability.

This in turn can help save money on your heating and cooling costs. Of venting ideally about half placed high on the roof and half in the soffits.