How to choose a cooling fan ? Cooling fans are available in a variety of options, including desktop and floor-standing options for a variety of home use.
These two kinds of electric fans are generally divided into two types: standard popular type and electronic luxury type. The former is characterized by simple structure, convenient operation and low price, and generally only has two functions of speed regulation and wind direction change; the latter is characterized by complex and changeable functions and luxurious and exquisite shape. Consumers can decide for themselves whether the premise is practicality, or the purpose is practical, decorative, and luxurious.
Certification: When consumers buy electric fans, they should read the instructions carefully to see whether they have obtained compulsory certification quality system certification, whether there are inspection standards and other certifications; at the same time, "environmental protection and low carbon" are now advocated, depending on whether they reach the national level. energy efficiency standards.
Low noise: The main component of the electric fan making noise is the motor. When choosing an electric fan, be sure to listen to whether there is noise when the motor is running, whether there is vibration during operation, and whether it is stable; a good motor can allow you to run in a quiet environment. Only the "whisper" sound of the wind can be heard in the middle, and the ultra-quiet air supply is a good fan.
No peculiar smell: The peculiar smell is caused by the insulating paint on the copper surface when the electric fan is running. When buying an electric fan, be sure to smell it to see if the paint is environmentally friendly and has passed the quality inspection to make you feel refreshed. Feel the coolness of the wind in the air.
Electrical safety: There are very detailed regulations on the safety requirements of electric fans in national standards, and consumers can also conduct simple tests. For qualified fans, the fingers of an adult cannot reach the leading edge of the fan blades through the grille. Families with children should choose electric fans with tighter grilles.