[Greenbuilding] Question on tight house, carbon monoxide

[David Bergman]

They're just a second-best solution to dealing with grease and odors 
when exterior venting is not possible. I've often had to resort to 
them in apartment renovations. They're moderately effective at best.

I doubt they'd have any effectiveness on gasses such as CO since they 
aren't readily filterable.  Nor on heat dissipation.


David Bergman  RA   LEED AP
DAVID BERGMAN ARCHITECT / FIRE & WATER LIGHTING + FURNITURE
architecture . interiors . ecodesign . lighting . furniture
bergman at cyberg.com    www.cyberg.com
241 Eldridge Street #3R, New York, NY 10002
t 212 475 3106    f 212 677 7291

author - Sustainable Design: A Critical Guide
adjunct faculty - Parsons The New School for Design

At 02:23 PM 2/17/2012, Reuben Deumling wrote:
>I've never understood the purpose of those vent hood fans that have 
>no provision to connect to the outside? What is the point? Mix it up 
>a bit while using electricity?
>
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