HOME OF ARCHITECT RICHARD CROWTHER, THAT IS HEATED WITH SOLAR ENERGY COLLECTED BY FLAT PLATE COLLECTORS. A FLAT BLACK ALUMINUM PLATE BEHIND THE GLASS ABSORBS SUNLIGHT (NOT SHOWN) AND HEATS AIR FORCED BETWEEN THE GLASS AND THE BLACK PLATE. THE AIR IS THEN FORCED THROUGH A BIN CONTAINING SEVERAL TONS OF TWO INCH SIZED ROCKS, THAT STORE THE HEAT. BECAUSE OF EXTRA SPECIAL INSULATING FEATURES OF THIS HOME, THE SOLAR HEATING SYSTEM PROVIDES ALMOST 90 PERCENT OF THE HEAT NEEDED

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