You need to consider many factors before you select the appropriate portable air conditioners such as; the size, where you should place it, maintenance, and energy efficiency.
However, one crucial factor that you must never ignore if you want the quietest portable air conditioner is the noise level. You can confirm this by checking the decibel (dB) rating that is usually included in the product’s spec sheet.
The decibel rating is a unit used to measure how loud a particular model will be. To clarify, the lower the decibel rating, the quieter the AC.
And different models come with different decibel rating, and while a few decibels may not seem to be much, it may be the difference between your AC producing a sound of an electric toothbrush or rainfall.
In this portable AC review, we have recommended ten models which have the lowest decibel ratings, and that means they will operate while keeping the noise level to the minimum.