| 摘要 |
An air-conditioning system for up-and-down circulation of indoor air is provided to remove vertical temperature difference by including a pipe, a suction unit, a temperature conversion unit and a filtering unit. An air-conditioning system for up-and-down circulation of indoor air comprises a pipe(20), a suction unit(30), a temperature conversion unit(10) and a filtering unit(40). The pipe includes an air suction port(20A) in a portion adjacent to an indoor floor. The suction unit is connected to the pipe and circulates indoor air. The temperature conversion unit heats and cools the indoor air. The filtering unit is arranged in the air suction port, and purifies air to be suctioned. The air-conditioning system for the up-and-down circulation of the indoor air forcibly circulates hot air concentrated in an upper part of an indoor.
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