Air energy, that is, the low-grade heat energy contained in the air, is also called the air source.
The "air energy" that is often said now is the abbreviation of a class of products. In fact, it refers to "air energy hot water machine", also known as "air energy water heater", "air source water heater", "air energy heat pump water heater", "air source heat pump water heater", "heat pump water heater". Please refer to: air energy water heaters, energy-saving water heaters, central water heaters.
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