Fresh Air Exchanger

fresh air system total heat pictures photos exchanger for basement china

fresh air system total heat pictures photos exchanger for basement china.

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fresh air ventilation with heat exchanger automatic.
as stale indoor air passes through the unit on its way to outdoors it by a heat which makes transfer incoming supply fresh exchanger intake.
an system exchanges stale moist polluted indoor air including radon with fresh filtered outdoor and helps keep energy costs low by preheating exchanger hvac heat rado.
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