water to water/geothermal heat pump
warranty:
- 2year for whole units ,3year for compressor
- low noise design
- enlarge heat exchanger to increase efficiency
water to water/geothermal heat pump
heating ,cooling, hot water ,heating +hot water,Coolingj+hot water five work modes,
silence design ,low noise design,enlarge plate heat exchanger to increase energy efficiency,high COP
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