| 摘要 |
PROBLEM TO BE SOLVED: To add an outside cooling means to an air-conditioning facility, having a total heat exchanger, without sharp cost up and without enlarging the attic space. SOLUTION: In the air-conditioning facility A, which is equipped with a ventilator 13 having the total heat exchanger 12 and a coil unit 14 installed in attic space S and is provided with a supply duct 24, going from the ventilator 13 to the coil unit 14 in the attic space S, an outside air introduction fan 15 which can freely take outside air for indoor cooling into the attic space S, a return air duct 27, and an air supply part d which sends outside air taken in the attic space S into a room 11 are provided, and also an attic space S serves as a circulation path for sending the outside air taken in by the outside air introducing fan 15 to the air supply part d. |
