| 摘要 |
A heating and cooling unit for a multistory building comprises a single elongated housing having a pair of riser heat exchangers and a pair of fans therein. One riser heat exchanger and one fan are positioned on one side of the housing, while the other heat exchanger and fan are position on the other side of the housing. An insulated partition separates the one riser and fan from the other riser and fan.
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