Sneak Peak Video of the 
New Solar Hydrogen Home DVD
Coming SOON!

Download Over 100Meg of
FREE Hydrogen Video
Ride in the Famous H2 Geo
Click Here

re: solar attic gable fans
23 jun 2004
honka honka burnin' love  wrote:

>a small solar fan won't produce the air flow you need.  neither will sofit
>vents.   sofit vents are mainly for moisture control, not cooling.

how much airflow does she need? soffit and ridge and gable vents with
vent area a and height and temperature differences h and dt will produce
cfm = 16.6asqrt(hdt). for instance, a = 4 ft^2 with h = 8' and dt = 10 f
makes 594 cfm.


I got ALL of these 85 Solar Panels for FREE and so can you.  Its in our Ebook

Site Meter