Heat recovery ventilators are designed to provide air movement in an airtight house, where the fresh air coming in replacing the extracted air is able to be close to the same temperature as the extracted air due to heat exchange elements.
热回收通风机被设计为在气密的房子中提供空气流动，在那里，由于热交换元件，代替提取的空气进入的新鲜空气能够接近与提取的空气相同的温度。
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