heaters - how to disperse captured heat Now that you've collected and stored it, how are you going to actually use it? none No Heat Homes Cooling Dovey Chicago Enertia Dixie Mears New Jersey Reysa Bozeman Montana There are not many but several building designs exist that achieve the holy grail of using no fuel in a northern North American winter. One of these designs works up until 60 degrees north, indicated by the red line on this map.

pellet If you palletize it you can use everything from sawdust to switch-grass for fuel. wood Catalytic Fireplace Masonry Pellet Stove This just in, wood heat deemed green. The options can be found here.