The Solar Star Attic Fan is a solar powered fan designed to suppress heat build up and battle moisture. This fan comes with a 5 year warranty, is whisper quiet, and leakproof. It is a great solution for Pacific Northwest homes that experience some high temps for a few weeks during the summer. Most homeowners report a 10 degree difference in their home. In addition it will help the utility costs incurred from increased temperatures and ease the workload of AC’s. Solar Star Attic Fan’s help during the winter too! The fan equalizes interior and exterior temperatures which helps to prevent damage to insulation and framing materials produced by moisture accumulation. Or, if you already have an attic vent, Solar Star makes a conversion kit so you can change it to a solar powered vent.