Generally, ordinary air conditioners have internal circulation, unless high-end air conditioners have external circulation function.
Air conditioner is air conditioner. It refers to equipment that uses manual means to adjust and control the temperature, humidity, flow rate and other parameters of the ambient air in a building or structure.
Generally, it includes cold source/heat source equipment, hot and cold medium transmission and distribution systems, terminal devices and other auxiliary equipment. It mainly includes refrigeration host, water pump, fan and piping system. The terminal device is responsible for utilizing the cold and heat transmitted and distributed to specifically handle the air condition so that the air parameters of the target environment meet certain requirements.
Air conditioning is an indispensable part of people's modern life. Air conditioning provides people with coolness, but at the same time, keeping the air conditioner on can also easily cause diseases, such as "air conditioning disease", so it needs to be used with caution. The structure of the air conditioner includes: compressor, condenser, evaporator, four-way valve, one-way valve capillary assembly, etc.
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There are many types of household air conditioners, the common ones include wall-mounted air conditioners, cabinet air conditioners, window air conditioners and ceiling air conditioners. However, these Each product has its own characteristics and prices, so you should choose according to your own needs.