Q:Have you been driving the fan, more electricity or more air conditioning?

The average family uses a power 150W fan for 15 hours per day (4 p.m. to 7 a.m.), with a power consumption of 2.25 degrees，The use of 1.5HP air conditioning, unit per hour power consumption of about 1.5 degrees, the daily use of 5 hours (6 to 11 points in the evening), then the power consumption is 7.5 degrees

Q:What's the difference between a cool fan and an electric fan?

Cold fan, commonly known as air conditioning fan, and it is different from the ordinary fan: the cold fan to add water, blowing the wind is cold air, containing water, it is equivalent to a small power water air-conditioning. In addition, the application of cold fans and ordinary fans is also quite different.

Q:How to pick an electric fan?

Consider the number of fans, the same fan, if the other parts remain unchanged, only the leaves from five fan leaves to seven fans, the air volume changes may not increase much

Q:How to measure the speed of an electric fan conveniently and precisely?

If you have a variable frequency light, you can gradually increase the frequency until the first fan page is almost stationary, and then multiply by three to calculate the speed

Q:How was the electric fan invented?

The mechanical fan originated in 1830, an American named James Byron inspired by the structure of clocks and watches, invented a mechanical fan that can be fixed on the ceiling and driven by a spring

Q:Which brand of industrial electric fans is good?

The invention patent and patent related parts industrial fan, R & D and manufacturing capability of leading, quality trustworthy

Q:Where does the fan drip the oil?

To cheer for as long as the front axle and add a few points on the line, but to the correct way, the vertical axis, the oil in the bearings, give it a free fall, can get into the bearing, with hand up and down, make the oil more fast forward to the inside, repeated several times, will be able to solve the problem

Q:What are the advantages and disadvantages of the vaneless fan?

The base of a fan without leaves determines that the diameter of the fan blades inside it is usually small, so that the same amount of air as the ordinary fan must be made to turn the blade faster, so the noise will be greater

Q:How to do if the electric fan is noisy?

Add a bit of grease to the axle, sew on the oil, or order some cooking oil

Q:Why can an electric fan choose only 123 winds, and this discrete value instead of zero to three continuous type?

A multi throw switch is cheaper than a rheostat