FIELD: construction. SUBSTANCE: floor heating panel has reinforced concrete slab with grooves and electroheating element embedded in grooves. Panel has reinforced concrete covering and electric insulating layers. Covering is made in form of box embracing reinforced concrete slab chamfered over its periphery at one of supporting faces, and grooves are made on slab opposite face. Electric insulating layers are located on contacting each other longitudinal and side faces of reinforced concrete slab, box and in grooves. Electric heating element is made of concrete with electric conduction of 0.1 to 50 S/m. Provision is made of reinforced concrete slab from concrete with heat conduction below 0.3 kcal/m h C and covering from concrete with heat conduction of above 1.3 kcal/m h C. EFFECT: higher efficiency. 2 cl, 2 dwg
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