| 摘要 |
PROBLEM TO BE SOLVED: To prevent simultaneous operation unless both operation switches of an air cleaner and a hot air heater are pressed according to surrounding conditions in equipment where the air cleaner and the hot air heater are combined. SOLUTION: A hot air heater is provided with an operation switch 12 of an air cleaner and an operation switch 13 of a hot air heater, a simultaneous operation switch 14, and a microcomputer 9 for controlling a simultaneous operation program. According to surrounding conditions, the operation modes of the cleaner and the heater are selected, cold wind feeling due to the blower when the air cleaner is operated is prevented by hot wind, the soaring of dust when the hot air heater is operated is cleaned, and the rising of room temperature is quickened.
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