Attic In Ranch

It s a classic post war ranch house built in the 50s to meet the needs of the soldiers returning from ww2 and the needs of their growing families.

Attic in ranch.

Throw duct leakage into the mix and the problems are. With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f. With attics that extend the entire length of the home. The bigger the house for whole house fans or attic space for attic venting fans the higher the cfm figure you need.

Now that i know the ins and outs of attics i wanted to share more about what i ve learned about venting your attic if you don t have eaves. Motor power given in amps or horsepower isn t a major factor so long as it generates the required cubic feet per minute. Some fans are twin speed so two cfm ratings are given. I live in a small square house.

Photos 1 6 show how it s done. Adding attic vents is a simple matter of cutting holes and installing vents. But before you cut any holes plan the locations of the attic vents. With a dedicated entrance sturdy flooring and plenty of natural light you can use your ranch attic for any number of things.

An attic can get up to about 130 f in the summer and the conditioned air entering the ducts is about 55 f or so.