AFAIK the only real purpose of the recirculating range hoods is to catch grease. And it sounds like GP's was missing the grease filter. (BTW, those get -reall

AFAIK the only real purpose of the recirculating range hoods is to catch grease. And it sounds like GP's was missing the grease filter. (BTW, those get -really- gross pretty fast, it's worth cleaning them regularly) You can get grease filters now with charcoal filters embedded within, and that might help a little bit with smoke.