First, most Chinese university dorms don't have any central heating systems or air-conditioning units.

首先，大多数中国大学宿舍没有任何中央暖气系统或空调设施。

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Chongqing industrial park will production centrifugal units, screw units, air-cooled heat pump units consisting mainly of large central air conditioning.

而重庆工业园将生产离心式机组、螺杆式机组、风冷热泵机组为主的大型中央空调。

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Sinro Air-conditioning Co. , Ltd. mainly produces cooling towers, fan coil units, air handing units for central air-conditioning system.

新菱空调主要生产中央空调系统的冷却塔和风机盘管、空气处理机组。

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Plants release moisture into the air alleviating the dry atmosphere generated by air-conditioning and central heating units, as well as computers.

CNN: Office foliage for feel good factor

Not central air-conditioning, mind you, but window units that one could leave off if the idea of being comfortable in summer were despicable.

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