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The frequent use of toilets in MTR stations is exceptionally high, often generating offensive and robust odor and affecting nearby tenants. These tenants needed to lower the air conditioner's temperature and increase the airflow volume of air ventilation, resulting in higher electricity consumption.
RHT has installed Ceiling Type NCCO Air Treatment Unit (Model No.: RH-490C) at the washrooms, reducing the concentration of airborne ammonia, volatile organic compounds (VOCs), and bacteria. Furthermore, the reduction of air ventilation also results in the conservation of energy.
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