| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a building ventilation system capable of easily performing the maintenance of an exhaust duct. <P>SOLUTION: A room is communicated with an underfloor space 14 and a ventilation layer 15, and the underfloor space 14, the ventilation layer 15 and an under-roof space 16 are communicated with each other. This building ventilation system comprises a heat pump 20 for heating the room, a first air supply duct 21 mounted in an attic space 17 and having a ventilation port for taking the outside air, a first exhaust duct 23 for exhausting the air of the attic space 16, a second exhaust duct 24 connected to the heat pump 20 for supplying the air for compression, and a ventilating device mounted in the attic space 17, and connected to the first air supply duct 21, the second air supply duct 22, the first exhaust duct 23 and the second exhaust duct 24, for sending the outside air from the first air supply duct 21 to the second air supply duct 22, and sending the exhaust from the first exhaust duct 23 to the second exhaust duct 24. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
