SOLAR FURNACE HEAT COLLECTOR FREE ENERGY HOW TO TOTAL COST $100

this is a video of how to make a great hot box solar collector, using very simple techniques and tools. It took only 4 hours to make this box and two of these will reduce my energy consumption by 25% my home is only 1500 sq. ft. save the planet people, if you want help to make one of these I'll help you....just get ahold of me at dan@modernblacksmith.com