| 摘要 |
<p>A ventilation system inside a house is provided to reduce indoor noise by installing an exhaust unit for only a hood outside the house, and reduce a unit cost by reducing the number of valves. A ventilation system inside a house comprises a heat transfer exchanger main body(100), an air supply duct(110), an exhaust duct(120) and an exhaust unit(200) for only a hood and an alarm unit. The heat transfer exchanger main body consisted of an air supply duct, an exhaust duct and a heat exchanger is installed inside a facility room outside the house. An outside air supply duct(300) is connected in one side of an air supply fan of the heat transfer exchanger main body, and an inside air supply duct(310) is connected in the other side. An outside air exhaust duct(400) is connected in one side of an air exhaust fan of the heat transfer exchanger main body, and an inside air exhaust duct(410) is connected in the other side. The exhaust unit for only the hood is installed outside a balcony near a kitchen. The alarm unit is installed in a hood operation unit(810) so as to check operation of the exhaust unit for only the hood.</p> |
