Helpful Sub Floor Ventilation Packages Florida Constructing Product Approval (fl5822 Plenum air temperature rise is caused by cool provide air coming into contact with hotter than air concrete slab and raised flooring. The same research found that air temperature rise in summer is greater than in winter and it http://pestinspections44374.alltdesign.com/some-ideas-about-solutions-of-sub-floor-ventilation-fans-17177226