Patent ID: 6976337

Claim:
Energy-saving housing, comprising: a plurality of wall parts including an inner wall made from an inorganic material and a heat insulator made from an organic foamed material; a plurality of ceiling parts including an inner wall made from an inorganic material; a heat insulator made from an organic foamed material provided at one of said ceiling parts and at a roof part; and a floor heating device provided at least at a floor part of a lower floor, wherein an equivalent clearance area thereof is from 0.1 cm 2 /m 2 to 0.95 cm 2 /m 2 , said floor heating device comprises a filling layer; a first dampproofing sheet spread on an upper surface of said filling layer; a floor mold concrete layer provided on said first dampproofing sheet; a second dampproofing sheet spread on an upper surface of said floor mold concrete layer; a heat insulator formed of a plate-shaped foam member provided on said second dampproofing sheet; a reinforcing mesh provided on said heat insulator; and a heat accumulating layer formed from one of mortar and concrete and provided with hot water pipes which are fixed on said reinforcing mesh.