Except in your heated seat in the car, a heating element that's correctly designed not to fry bacon or heat huge volumes of air is already integrated into your seat. This video is just this guy intentionally being a a moron. (Well, at lest for the first few minutes of it which I could bear to watch. Maybe he smartened up later.)
https://www.youtube.com/watch?v=MrnCDKB1hE0