The source of energy for heating and power depends on overall community use.
供热和电能的来源取决于社区的总能耗。
Several control strategies also mitigated at-source needs by adapting lighting, heating and cooling use to actual occupation and needs.
通过改变照明、供暖和制冷的使用来适应实际使用和需求，几个控制策略也减缓了能源需求。
Surface water heat pumps (SWHPs) are energy-efficient devices for heating and cooling that use surface water as a heat source and sink.
水源热泵是一种利用地下浅层水资源(地表水或地下水)，既可供暖又可制冷的高效节能热泵系统。
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