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Tongyi Thermal Engineering and Technology R&D Center have made outstanding achievement in New Generation Heat Pump Product-Tongyi Low Temperature Heat Pump Product-Tongyi Low Temperature Heat Pump Water Heater. This new type, through enhanced vapour injection(EVI) technology, is mainly applied n cold and severe climate and district. This heat pump COP overpasses 20% in such low temperature environment than normal heat pump; COP 1.8 under ambient temperature Minus 59F.
