When choosing a household electric fan, consumers need to pay attention to some key factors. Firstly, it is about brand and quality. Choosing well-known brands and certified products can ensure the quality and performance of the products; Next is functionality and practicality, selecting appropriate features and styles based on personal needs; Finally, there is price and cost-effectiveness, and consumers should choose the product with the highest cost-effectiveness within their budget.

Household electric fans usually have multiple functions, such as shaking the head, timing, and adjusting wind speed, to meet the needs of different family members. The shaking head function can expand the wind coverage range of the fan, ensuring that the entire room can enjoy coolness; The timed function facilitates people to set the off time when falling asleep, avoiding discomfort caused by prolonged exposure to wind; Wind speed adjustment can choose the appropriate wind speed based on personal preferences and indoor temperature.

The advantages of electric fans are obvious. Firstly, it is energy-saving and environmentally friendly. Compared to refrigeration equipment such as air conditioning, electric fans have lower energy consumption and less impact on the environment. In today's advocacy of green living, using electric fans is undoubtedly an environmentally friendly choice. Secondly, electric fans are convenient to use. Just plug in the power and press the switch to enjoy the cool breeze. In addition, electric fans also have the characteristics of affordable price and convenient maintenance, which are deeply loved by consumers.

The working principle of an electric fan is relatively simple. When the motor starts, it drives the fan blades to rotate, causing air to flow under the push of the fan blades. This flowing air can take away the heat from the surface of the human body, making us feel cool. At the same time, the wind speed of the electric fan can be adjusted by adjusting the motor speed, allowing us to adjust the wind speed according to personal needs.