Certified for Extreme Weather: Why this should be important to you!
There are many types of solar attic fans on the market and all but MAYBE six (6) are not certified or tested in any way. Out of those six (6) only a small handful have current certifications of current products. Why is this important: Because if you install a none-certified product on your roof, we are seeing more and more insurance companies not insuring damage and/or during inspections the roof