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What kind of air conditioner should a 40 square meter shop use?
Basic knowledge of purchasing air conditioners:

1 First, determine the refrigerating capacity of the machine according to the room area, that is, the output power. 40 square meters requires at least one 3-horse cabinet machine.

2. Secondly, choose the energy efficiency ratio of the machine. Frequency converter 1-5, new standard of constant speed machine 1-3, 1 is the most energy-saving but the most expensive. It is more appropriate to buy a fixed speed machine and a frequency converter.

3. Brand: The representative brands of imported joint venture products are Panasonic and mitsubishi electric, and the domestic products are mainly Gree, Haier and Midea. There are many options for opening stores, such as Oaks and Chigo, and the products are economical and practical.

4. Frequency converter and constant speed machine, frequency conversion compressor have good mute effect and accurate temperature control, which is especially suitable for bedrooms, but the price is high, and other rooms are not needed according to the budget.

5. At present, the air conditioners on the market are all heat pumps, and the heating efficiency drops seriously when the ambient temperature is lower than 10 degrees, so they are not suitable for use in northern China. In the southern region, it is best to choose the electric auxiliary heating function, which can assist heating when the external machine is defrosting and stopped.

Master the above points, and you can choose the machine that suits you.