"Joe Masters" > wrote in message
ups.com...
> My wife and I are remodeling, and have a good kitchen design that puts
> a cooktop on a peninsula. The design of the room would really be
> hampered by a hood coming down from the ceiling. We can go with an
> electric or gas cooktop (we would prefer gas). We are looking at the
> two kenmore pop-up downdraft units, because we can get significant
> discounts at sears. For $350, we can get model #59940 , which goes up
> 7". For $700, we can get model #59960 , which rises 9.5", and appears
> to have to some better features. We can easily vent down and outside,
> and we would be willing to make other modifications as well (would a
> vent or exhaust fan in the ceiling above the cooktop (9' high ceiling)
> help?)
>
> Can someone out there please enlighten us?

Ever watch the steam vapor coming off of a boiling pot? Does it go down?
How about grease splatters from a pan, in what direction do they go? Is
this starting to make some sense now?