I’ve installed over 1500 solar powered fans. There is a fire fuse. Plus, we covered the ridge vents which are useless unless they are made by air vent.com. Covering the ridge vents prevents negative air flow as the principle is to bring cool air from the soffit vents to displace the hot air from the attic where the unit should be installed. Also, with the 26% Federal solar tax credit makes it less than any thousand dollars. More like $550 to $700 depending upon the 20 to fifty watt unit. The garage vents are very efficient too. But electric and no tax credit. The solar garage vents are efficient and have the 26% tax credit. I’ve installed enough of these to know they work. Retired now, so no dog in this fight.
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