If you're curious about how loud the COSORI Food Dehydrator gets when it's running, our research suggests that it's pretty quiet overall. There isn't an exact decibel rating from the manufacturer, but a lot of folks who’ve used it say it just makes a gentle hum rather than anything too noisy.
People often compare the sound to a fan quietly running in the background, so it shouldn't bother you if you leave it on overnight or in a common area. Many seem to find it quieter than some other kitchen gadgets that can be a bit more rowdy.
Some have noticed a soft increase in noise when the motor starts up, but it quickly settles into a steady sound that's easy to ignore. Quiet operation is one feature people really appreciate about this dehydrator because it ups the convenience factor.
So, while it's not completely silent, the general vibe is that it’s quiet enough not to be a problem. If you're someone who’s a bit sensitive to noise, this model might suit you since it manages to do its job without too much racket.
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How we researched this
Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Oct 1, 2026.
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