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市場上宣傳的中央空調安裝自帶新風功能只是營銷噱頭,這里的新風功能只是輔助功能,中央空調的主要功能是調節溫度,中央空調通過進風口把室外的空氣抽進來,將制冷或加熱后的空氣送到室內,回風口則將室內污濁的空氣吸回去仍舊是室內循環。但新風系統是通過換氣,將渾濁的室內空氣排出去,將室外新鮮空氣引進來,實現室內外空氣的循環。

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