Ontario's first insulated rammed earth home is set into an east facing hill near Castleton, Ontario.

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To capture more light, the east and west portions of the building were pulled apart, allowing the central double height space to extend above the roof.

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The house uses approx. 20kW/h/m2 to heat annually.  That's the equivalent of 20 tea candles. The thermal mass of building ensures that air conditioning is not required.