Why it will work: It will work because the cold air under the box will be separated by four (4) wood pegs. The black, non-glossy paint will attract heat, rather than reflect it. The glass, double panel, will allow heat to pass through, but not allow it to escape. The charcoal cubes and shavings will absorb the heat in the box and store the excess heat allowing the flow to continuously warm the oven. The tin foil will reflect heat and subsequently heat up the oven. The polyurethane material will trap the heat inside the oven. The mirrors wi ....