| 摘要 |
<p>The present invention relates to a multi-purpose ventilation system which is installed in such spaces as factories, large-scale buildings, pens, and green houses, in order to providing pleasant interior environments by maintaining proper temperatures and moisture. More specifically, the present invention relates to a multi-purpose ventilation system capable of letting fresh outdoor air into the indoors, by discharging polluted interior air to the outside, at the same time performing a heat exchange between the influx air and efflux air, and circulating the indoor air in order to reduce the temperature difference between upper and lower air masses.</p> |
