Advantages and disadvantages of air conditioner, electric fan and air conditioning fan

1, air conditioning: Advantages: the indoor air temperature can be obviously adjusted, and it can be adjusted to different temperatures as required. And listed early, many brands, many choices. Disadvantages: large volume, expensive price, and after use, because the room is closed, the air is not circulated, and the indoor air temperature is uneven, it is easy to cause discomfort and air conditioning disease. At the same time, the power consumption is high, which is unacceptable to consumers. 2. Electric fan: Advantages: it is listed earlier, the price is suitable, the air volume is large, and there are many models such as desktop, wall-mounted, floor-mounted and wall-mounted to choose from. Disadvantages: the cooling effect is not obvious, especially when the temperature is high and seasonal, it can only be used in summer. 3. Air conditioning fan: Advantages: Compared with ordinary fans, the temperature is reduced by about 5-6 degrees, the power consumption is low, and the price is moderate and low. Some products also have warm air function and negative ion function, which are small in size and convenient to move. Disadvantages: it is not very effective for large-area refrigeration, has no dehumidification function, is not easy to use in high-temperature places, and increases the humidity in the air when used.