PROBLEM TO BE SOLVED: To provide a mist device directly connected to a hot water supply system, capable of efficiently draining water until use start conditions are satisfied.SOLUTION: A mist device 100 directly connected to a hot water supply system includes: an input part L provided outside a room and in which a mist operation start command is input a temperature measuring part 50 for measuring a temperature of a mist water to be sprayed from a mist nozzle 2 and a draining control part 7 causing the mist nozzle 2 to drain the mist water from when a mist-operation start is input until mist-water use start conditions are satisfied. When an absolute value of a variation in measured temperatures of the temperature measuring part 50 becomes equal to or less than a prescribed value, the draining process of the draining control part 7 is completed.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】利用開始条件が整うまでの排水処理を効率的に行うことのできる給湯直結式ミスト装置を提供する。【解決手段】給湯直結式ミスト装置100は、室外に設けられ、ミスト運転の開始の指示が入力される入力部Lと、ミストノズル2から噴出されるミスト用水の温度を測定する温度測定部50と、ミスト運転の開始が入力されてからミスト用水の利用開始条件を満足するまで、ミスト用水をミストノズル2から排水させる排水制御部7と、を備え、温度測定部50の測定温度の変化量における絶対値が所定値以下となったときに、排水制御部7の排水処理を完了させる。【選択図】図1