Today Brenda and I picked up one of these
from Lowe's. It boasts up to a 50% quieter operating level and 20% more volume of air handled. I would agree with the air handling part, it has about three to four times more blades on the new unit, but here are the test results regarding the audible differences I recorded.
The original fans decibel level:
The new fans decibel level:
It's definitely quieter, but not 50% quieter...
I guess that is why they include the "up to" part.
It is, what it is.
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