Many questions have asked about attic Ventilation .
This is a good site to improve your knowledge and thoughts .
http://www.ronhungarter.com/black_mold.html
More is not better if it is the wrong type.
I do not like cyclone vents and this adds to the story .
Roy Cooke … RHI…CHI…CMI…CAHPI-on. A HAPPY NACHI MEMBER