GEOTHERMAL heating-using the warmth of the Earth's interior to heat water-is an old idea.
利用地球内部的热量加热冷水被称为地热加热，这不算什么新思想。
Radiant slabs inside provide efficient heating and cooling of the interior and sustainable materials contribute to a healthy interior.
辐射板内提供高效的加热和冷却装置，有助于室内环境的健康和谐。
At this point, as freon heater heating, so that the partial liquid again evaporated into gas, then re-entering the latter part of the interior heat exchanger.
此时经氟利昂加热器的加热，使该部分液体再次蒸发成气体，然后再进入室内换热器的后半部分。
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