A fan (85) in the fan box (72) circulates heated air by discharging via openings (90) in a top and a bottom and taking in via an intermediate opening of a baffle plate (74).

风扇盒(72)内的风扇(85)通过经挡板的顶部和底部开口(90)排出和经挡板(74)的中间开口吸入使经加热的空气循环。

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What's more, when baffle plate takes the place of bilateral louver, air-conditioning energy efficiency decreases 19.6%.

另外将两侧的百叶换做挡板后，空调能效比下降19.6%。

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