What Is It?
Kevin (from This Old House) shows the guys a large plastic rectangle with a fan at the top, and the guys try to guess it’s intended use. Is it for tanning, Is it for cooking? Is it a mega phone? No one guesses the right answer- a portable solar room heater.
Watch the episode segment here at 11:06.
http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,20862036,00.html
Solar Infra Systems Portable Solar Heaters are available at your local home center or online.