| 摘要 |
PROBLEM TO BE SOLVED: To provide a clean room for a residence which can secure safe and comfortable living space which reduces cost and noise. SOLUTION: A plurality of clean units, for supplying clean air into a room via an air filter, are installed. Parts of the clean units 7, 12 are disposed rearwards of a head of a bed 4, where a person breaths for the longest time in the room so as to make the clean air flow horizontally form rear of the head to the foot side above the respiratory organ of the person sleeping in the bed 4. Thus, cleanliness level of the air around the respiratory organ of the person is set higher than that in other spaces.
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