Noise canceling fans

[Bozo]

Quiet

 

[CityK]

Interesting. Thanks.

 

[time]

25dB! Wow. Why the hell can't they use this technology in range hoods?

 

[mubs]

+1. Turning on the range hood is a sureshot recipe for a headache within 10 minutes.

 

[ddrueding]

I put the fan for my range hood on the roof, even put a muffler in the attic. All I hear is 1000cfm+ of air being drawn through the filter.