By controlling the ventilation fan's on/off (or strong/weak), significant reductions in heating and cooling costs as well as CO2 emissions can be achieved, realizing energy savings.
● In normal use, no cumbersome operations such as sensitivity settings are required at all. ● Since it can be installed in a wall-mounted switch box, it can be neatly stored on walls in offices and other places. ● You can choose between automatic type and automatic/manual switchable type.
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basic information
In many cases, offices and schools operate heating and cooling systems while running exhaust fans. This is similar to using heating and cooling with the windows open, resulting in wasted energy. However, if the space is completely sealed, the air can become contaminated with gases and odors from human metabolism. When using air conditioning, if there is no CO2 control for the exhaust fan, the efficiency of the air conditioner decreases, leading to higher heating and cooling costs and increased CO2 emissions.
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By controlling the operation of the ventilation fan according to the level of air pollution, unnecessary ventilation is prevented. This allows for a reduction in ventilation volume, improving the efficiency of heating and cooling, and significantly reducing heating and cooling costs as well as CO2 emissions. - When the air is polluted ⇒ High operation (or On) - When the air is not polluted ⇒ Low operation (or Off) In the case of air conditioning, if there is a CO2 control device for the ventilation fan, the fan operates according to the level of air pollution, greatly cutting down on air conditioning costs and CO2 emissions.
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