| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem in conventional arts that in an outdoor-air intake type ventilation system, indoor temperature becomes uneven due to difference between low intake-air temperature and room temperature, when outside temperature is low in winter, while in a central heating type ventilation system, securing of an installation space is hard in the room, and the installation thereof makes the room aesthetically unpleasant. SOLUTION: The ventilation system includes a building 11 and a ventilation device 1H installed in the building. In the building 11 there are built in the inside of the wall from below upward a first floor living-room 1E constituted of a foundation part 1A, a wall part 1B, a first-story floor 1C, a first-story ceiling 1D, and an attic space 1G having ceiling 1D and a roof 1F. Heaters are placed in predetermined places in the building, and ventilators are connected therewith.</p> |
