The fans are weather resistant, which makes them ideal for use in different places. Due to the rugged built, the fans are highly durable. Besides this, they also come with powerful solar panels to keep the fans actively running. There are solar attic fans with 30W solar panels; hence will save on electricity usage at home. Apr 23, 2019 · Top 5 Best Powered Solar Attic Fan Reviews. Solar attic fans vary in quality, features, and price. We have picked up the 5 recommended products today according to buying criteria that we will list on the below article. Here is a table comparison that shows the primary difference between each product.