Meet Randy Buchanan. He lives in Fredericton, the capital of the province of New Brunswick. As you can imagine, it gets pretty cold up there. Along with that cold comes your typical increased energy bills. While there are many things you can do to lower your winter energy bills, he decided to take it one step further.
He spent $300 and built his own personal solar furnace. As a result, he instantly decreased the amount he pays for heat. He explains how he did it in the video below: