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Combining the above factors, for a house of 300 square meters, it is recommended to choose a 15-20 P air source heat pump unit.

Air source heat pump cooling and heating dual-purpose equipment extracts or releases energy from the air to achieve the purpose of cooling and heating.

The current mainstream defrosting technologies for air source heat pumps include reverse defrosting, hot gas bypass defrosting and heat storage defrosting.

Air source heat pump wins in energy saving, environmental protection and versatility. Electric boiler wins in low cost, easy installation and stability.

Inverter air source heat pump combines inverter speed regulation technology. It is widely used in the field of household heating and cooling supply.