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Low-temperature air energy heat pump (chilled water) unit, the use of low-temperature scroll jet enthalpy compressor, R410A environmental protection refrigerant, high-efficiency heat exchanger and other world-renowned brand components configuration. In winter, it can produce heat efficiently in the low temperature environment of -35℃, and in summer, it can produce stable cooling in the high temperature environment of +50℃, which is the ideal choice for replacing the traditional coal-fired, gas-fired, oil-fired, electric heating, central air-conditioning and other high-energy-consumption heating methods.