Navigation for Fans Overview How To & DIY Video Ideas & InspirationWhat Is It? | Plastic Fan with Coils Ask This Old House host Kevin O’Connor shows a large, plastic fan with interior coils, but what is it? by Kevin O'Connor, Host Resources:The Solar Infra Systems Solar Air Heater is available online.Next Up In Fans How To Install a Ceiling Fan 6 Best Outdoor Ceiling Fans (2024 Guide) 5 Best Ozone Generators (2024 Guide) 5 Best Tower Fans (2024 Guide) The 5 Best Ceiling Fans (2024) Different Types of Fans for the Home