Remote blowers, also called inline blowers, work well, as these motors are installed within your chimney. These are not common and they are more expensive than local or remote blowers. External blowers are separate from the hood entirely, installed outside your home to drastically reduce the sound level. An external or remote blower is the best option to reduce the sound level of your kitchen fan. There are three types of blowers: local, remote, and external. You can also change the position of your blower to enjoy a comfortably quiet kitchen. When you want to cook lower-heat food, you can go with one of the quiet settings. It will be louder than low-CFM hoods, but it will have more power too, which is ideal to clean your kitchen air efficiently. However, if you cook a lot of greasy, fried, or Asian food – or simply cook often – invest in a 900+ CFM range hood. So, if you want a quieter hood and don’t cook often, purchase a 600 CFM range hood. In most cases, the higher the CFM, the higher the sone level of the range hood. Then, buy a hood based on that measurement. We recommend the following: first, think about the max amount of noise that you would be comfortable with. So, for example, when buying a range hood that runs at six sones, six is the maximum noise level that the range hood will produce. Typically, sones are measured at maximum hood speed or CFM. Sone levels are lowest when your hood is set to the lowest speed and get louder incrementally with each speed. The lower the sone value, the quieter the hood. Eight sones are equivalent to a normal conversation or background noise. One sone is similar to a whisper or the sound of an extremely quiet refrigerator or dishwasher. Check out the table below which has sones to decibel conversions up to 20 sones. These equations may look daunting which is why we made calculation easy for you. If you have decibels and want to find the number of sones, use this equation: To find how many decibels are in one sone, plug one into the equation: Here is a helpful equation to convert sones to decibels: Sones to decibels Conversion Chart – How many decibels are in a sone? To compare decibel levels with sones, check out this helpful chart below. For example, about a 10 dB increase doubles loudness.īoth sones and decibels are measurements of sound pressure. In contrast, decibels are measured on a logarithmic scale. As a linear measurement, doubling the sone level is equivalent to doubling the loudness quadrupling the sone value quadruples the loudness, etc. Sones are measured on a linear scale, like inches or centimeters. This unit provides accurate information on the amount of sound the blower produces inside the vent hood. Stevens was a psychologist and researcher who founded Harvard’s Psycho-Acoustic Laboratory. ![]() A sone, named by Stanley Smith Stevens in 1936, is an internationally recognized unit of measurement for loudness.
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