Automatic Heating 向 NaturalRefrigerants.com 表示,这些丙烷(R290)热泵在低至 −20℃ 的温度下仍能满足输出要求。
【英文原文】
原标题:Ski Resort Rebuilds Sewage Treatment Plant R290 Heat Pumps
The propane heat pumps meet output requirements in temperatures as low as −20°C, Automatic Heating told NaturalRefrigerants.com.




