What is the noise range of air conditioning stipulated by the state?
two is the quality of plastic parts produced by the instability is not up to the requirements; three is the installation work for less skilled, installation caused by noise.
The noise outside the plastic main influencing factors: one is the poor quality of the plastic or recycled plastic processing production of plastic parts with some air conditioning production plant;
The noise generated mainly from two aspects, first, air-conditioning, compressors and other machines generated noise, and two is the expansion of plastic parts outside the cold contraction noise
The national standard for noise in split air conditioners is the split air conditioner with a refrigerating capacity of 2500 4500W, the national standard stipulates that the noise of the indoor unit is less than 48 decibels, and that the noise of the outdoor unit is less than 58 decibels.
