| 摘要 |
<p>The present invention relates to a direct and indirect cooling and heating device and, more specifically, to a direct and indirect cooling and heating device using an air conditioner capable of being conveniently installed by utilizing an air conditioner and having easy sanitary control, easy preservation, and excellent cooling and heating effects by selecting direct and indirect methods according to products. According to the present invention, the direct and indirect cooling and heating device using an air conditioner comprises: a product storage; a chamber surrounding the product storage; an air conditioner having a direct expansion coil and an electric heater to cool and heat air and a circulation blower to circulate the air cooled and heated by the direct expansion coil and the electric heater to the product storage or the chamber; and an air ejector to discharge the air generated in the product storage to the outside.</p> |
