PURPOSE: To permit to dry multitude of tablewares under saved energy by a method wherein a duct, communicating the outlet port of a solar heat collector with a room, is provided with a branched duct communicating a tableware dryer to dry the tablewares by utilizing the hot air of the solar heat collector.

CONSTITUTION: The duct 4, communicating the outlet port 3 of the solar heat collector 2 with the room R1, is provided with the branched duct 9 connecting the tableware dryer 5. The branched duct 9 is communicated with the inside of the tableware dryer 5 through a discharging port 32, above a water receiving pan 25 at the lower side surface of the dryer 5 and provided with a gallery, and is provided with a dust collector 33, accommodating a filter or the like, to prevent entering of powdered dust or the like into the tableware dryer 5. Further, said branched duct 9 is interposed with a damper 34.