1, air conditioning fans mainly rely on the wind to blow away water vapor, so the humidity in the air is high, which may aggravate such diseases for patients who already have arthritis and rheumatism. It may also induce the occurrence of such diseases.
2, the cooling effect in a large area is not very good, there is no dehumidification function, the place with high temperature is not easy to use, and the humidity in the air increases when it is used.
3. The refrigeration mode of air-conditioning fan is different from ordinary electric fan and air conditioner. It mainly uses water to cool down, that is, water vapor is blown out by the wind, so it is easy to breed bacteria in this air-conditioning fan, which may cause infection and bring certain harm to the human body.
4. The noise of air-conditioning fan is bigger than that of ordinary fan. This is because the water curtain stops at the air inlet once and the wind at the air outlet turns once. Two stops will increase the resistance of the blades and make more noise.