In fact, temperature control is not allowed. How to cool down at the set temperature of 29 degrees? The thermometer shows that the indoor temperature is only 23 degrees. The internet control of Gree air conditioner is often disconnected, which is useless. I have bought two millet air conditioners in a row, which feels good, and I came from behind. Large air conditioning plants are not stupid. The planned scrapping of the air conditioner was not on the copper tube at all, but on the inverter board, and it broke down after six years. You can buy a new one according to the maintenance cost and plan to scrap it directly! In the past, air conditioners were scrapped because of the lack of refrigerant in aluminum tubes, but now they use frequency conversion boards directly.

In the short term, there are growth expectations, and in the long term, the taste will decline. From double-row heat exchange tubes to single-row tubes, from long connecting tubes to short tubes, from joint venture compressors to self-production, from electronic expansion valves to capillaries, aluminum tubes are now the means to reduce costs. When the outdoor temperature is as high as 36 degrees, it is easy to break down and damage. In fact, manufacturers are betting that there will be no problems during the warranty period. Once the warranty is over, users will be in a dilemma. If the maintenance cost is too high, just buy a new air conditioner. And the service life of the air conditioner is prolonged.

Naturally, some of them have to be sacrificed, and the manufacturers have also considered it comprehensively. 50% of the cost reaches 80%, which is a good deal. As for the service life, there are many advantages of copper pipes, so I won't list them here. Compared with other materials, copper pipes have high strength and are easy to weld. Although the price will be more expensive, they are worry-free and durable to use, which can make the air conditioner give full play to the cooling effect.

Copper is the main choice for manufacturing evaporator coils and condenser coils of air conditioners and refrigerators. Because of its heat transfer rate, cost and flexibility (easy bending and forging), copper wire groups are used to connect the shunt system. In addition, the soaring copper price has changed the rules of the game. In addition, many manufacturers have begun to consider that another advantage of aluminum and other materials copper is that if the copper coil is damaged, it can be easily repaired on site. Finally, if the aluminum coil is damaged, it is difficult to repair and often needs to be replaced.