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EVI air source low temperature heat pumps absorb low-grade heat energy from the air to provide domestic/commercial hot water and space heating. They can also function as cooling devices in summer. These cold climate heat pumps are developed using the Enhanced Vapor Injection (EVI) compressor technology and high-efficiency eco-friendly refrigerant, which ensures that the units can work normally at as low as -15℃ and supply heating in cold areas.

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