The present invention relates to a heating ventilation system using solar light, and more particularly, connected to an exhaust duct for discharging indoor air and an air supply duct for receiving purified air, and a solar light inside a transparent housing installed outside the building. Solar panel to generate electricity, charcoal layer to purify the air, the perforated plate consisting of a plurality of through-holes are provided with a lamination coupling, the indoor air flowing into the housing from the exhaust duct passes through the perforated plate and spreads widely through the charcoal layer to purify However, the air flow path is different in winter and summer, the air is heated in winter and injected into the room, and in summer, unheated air is provided to the room, and an air supply control damper and exhaust connected to the exhaust duct and the air supply duct, respectively Open the control damper and the outside air enters the housing and passes through the punching plate and the charcoal layer again. By discharging to the outside, the drying of the charcoal in the housing relates to a heating ventilation system using solar light so that dehumidification and air purification of the room can be continued without replacing the char.
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