Patent attributes
Radiant furniture made of a concrete mix includes one or more heating elements or hot water supplied hydronic tubing that provide comfortable radiant heat. Tabletops can be heated to a temperature that is comfortable for people seated at the table. Other tabletops can be heated to a lower temperature for use in a greenhouse. Benches and seats can be heated to provide comfortable heated seating. A heated surface in the radiant furniture includes a conductive heating element that has a plurality of non-overlapping runs, with a density of the heating element runs being greater near the edges than at an interior part of the heated surface. A controller senses the temperature of the furniture and the ambient temperature, then applies power to one or more heating elements in the furniture according to programmed temperature thresholds to provide comfortable radiant heat from the furniture.