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A simple way to fill a tank with hot water without using electricity or gas. Just take some solid fuel, a Rocket Stove and copper tube coil.

Rocket stoves are one of the most efficient, clean and simple ways to get heat from burning wood. Many people now cook with rocket stoves and heat their houses with rocket mass heaters

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Our Our fastest solar ovenBake, roast or steam a meal for two people in minutes, reaching up to 550°F (290°C). GoSun Sport sets the bar for portable solar stoves.

Buy our book - OFF THE GRID - a tour of American off-grid places and people written by Nick Rosen, editor of the off-grid.net web site