How to buy air fans?
1. Observe the appearance of the air fan
The appearance must be novel, the color should be coordinated with the color of the room, the plane is not warp, and the plastic products are flat, smooth, bright, and rustless.
2. Look at the effect of changing air fans
After the air -changing fan is turned on, the wind leaves rotate smoothly, no abnormal noise, and the air volume is large.Self -blowing hundred pages are flexibly moved, and the continuous louver -by -line windows are sensitive, and the two -way air -changing fan is free.The temperature of the motor can be high and the noise is small.The speed adjustment effect of the air -changing fan with speed regulation function is obvious.
3. Observe the air -changing fan blades
Fan blades are an important part of the air -changing fan. If the quality is not available, it has a great impact on later use. Therefore, when buying a fan blades, remember to identify its quality.
4. Pay attention to the number of times the air changing fan and ventilation.
The air replacement fan with different specifications and different power is also different, so when you buy, you must choose according to your actual needs.
5. Take a look at the safety logo of the air -changing fan
When choosing an air -changing fan, be sure to see if there are 3C certifications in the product, depending on whether the product name, specifications, voltage and other logos are complete, whether there are qualified certificates, and so on.
6. Look at the air -changing fan brand
The quality of large brands of air replacement fan is guaranteed, after -sales service is good, the quality and after -sales service of small brand products are difficult to guarantee. Consumers should not buy three products for cheap cheap.
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