frankenstoen wrote:I think underground is better than above ground, unless it's 35 degrees out, of course. Cold air flows downwards, so opening a door wouldn't lose as much.
Anyone know what the ideal salt concentration (water: salt ratio) would be?
Franklin Stone wrote:Insulation is a decoupling of thermal mass, to prevent the transmission of heat energy. Underground is not insulated, but rather, buffered by a large thermal mass. The ground temperature below the frost line is usually the average of your year-round temperatures.
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