What 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 Share this story Share Share All sharing options for: What Is It? | Plastic Fan with Coils Pinterest Email Pocket Flipboard Resources: The Solar Infra Systems Solar Air Heater is available online. Next Up In Video Re-Import How to Build a Simple Dry Well How to Protect Solar Panels from Pests Comparing Roofing Materials How to Hang a Sliding Barn Door How to Prep Framing Studs for Hinges, Valves and Fixtures | Generation NEXT How to Block Behind Walls | Generation NEXT