Russia, Iceland -35C winter using 5kw,9kw,15kw,18kw ground water to room air duct heating+cooling geothermal less electricity
- USD $634 - $1,913 / Set
- 1 Set / Sets
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Russia, Iceland -35C winter using 5kw,9kw,15kw,18kw ground water to room air duct heating+cooling geothermal less electricity