The present invention relates to an energy efficient housing and to a method of providing an energy efficient housing wherein building material and house structure aim to provide a system effectively using external temperature for house needs. The house is built of multilayered blocks having layers of concrete and layer of mixture of concrete, cellulose fiber and sand surrounded with exterior and interior stucco finish layers prepared by a simplified process. The concrete layer has a plurality of air passages with baffles used for transferring of hot and cool air which change the temperature from the house walls and roof heated with sun radiation or cooled by cold outside air. The hot air is transferred to a hot air reservoir for further household needs and cool air is transferred to a cold air reservoir.
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