We recently featured one way to heat your house with the sun, but DIYer Daniel Strohl has spent three years perfecting his homemade solar garage heater, made out of a wooden box, some vacuum parts, ...

While some of the highest technology in the world is being brought to bear on the problem of saving energy, here’s a guy who painted 50 soda cans black, drilled holes in them, stacked them up inside a ...

Retired mechanic Jose Alano invented a simple, cheap, energy saving rooftop solar water heater which is benefiting thousands of people. Here's how it's done... José Alano is a model of creativity in ...

Do you enjoy coming home to a warm home in the dead of winter? Do you leave your furnace running in cold weather even if no one’s home? If you want to keep the house warm for when you return later in ...