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Downdraft Vented Cooktop

Posted on 8/22/24 at 12:24 pm
Posted by Rob Perillo
Member since Feb 2017
497 posts
Posted on 8/22/24 at 12:24 pm
Doing some kitchen remodeling in a new house. The existing set up has an older electric cooktop with a ducted downdraft exhaust vent. I am going to make the switch to a gas cooktop, but really would like to avoid the hassle of trying to find the right overhead exhaust vent for the cabinet space, running new electrical and duct through cabinets and attic space to make it work.

I see kitchenaid makes a gas cooktop with a built in downdraft vent. It seems like a good option for my situation. Does anyone have expereince with this cooktop or a similar set up? Will I regret not going the extra mile and putting in an overhead exhaust vent now?

Kitchenaid 36" Downdraft Cooktop
Posted by SM6
Georgia
Member since Jul 2008
8926 posts
Posted on 8/22/24 at 12:26 pm to
Had one growing up and it never caused any problems or issues. Occasionally stuff would fall down the grate and I’d just sweep it out with a hand brush.
Posted by mtcheral
BR
Member since Oct 2008
2082 posts
Posted on 8/22/24 at 12:29 pm to
My last overhead had up to 1200 cfm and I used that regularly for smoky cooking. I can’t imagine any world in which downdraft can keep up with overhead, much less only having 300 cfm. Go overhead and do it right.
Posted by Dallaswho
Texas
Member since Dec 2023
3408 posts
Posted on 8/22/24 at 12:37 pm to
I’m thinking about the same conversion. I was just going to reroute the vent up the wall a few feet. Downside is losing a lot of cabinet space underneath the range but not the end of the world.
Any comments on that solution?
Posted by bbvdd
Memphis, TN
Member since Jun 2009
28147 posts
Posted on 8/22/24 at 1:57 pm to
Down draft is no where near as effective as an up draft.

My parents had a down draft and if you were cooking something that produced a lot of smoke, the vent would pull maybe 20% of that.
Posted by Rob Perillo
Member since Feb 2017
497 posts
Posted on 8/22/24 at 2:13 pm to
I understand it won’t be as effective. Was mostly just wondering if it was effective enough or if I will have buyers remorse. The reviews of the product seem to be very positive but I’m always skeptical, hence why I’ve come to TD.
Posted by Churchill
Member since Apr 2009
629 posts
Posted on 8/22/24 at 2:23 pm to
It works good enough. My only complaint is it pulls the flame to one side of your pot.
Posted by AutoYes_Clown
Baton Rouge, LA
Member since Oct 2012
5341 posts
Posted on 8/22/24 at 3:10 pm to
Do not do downdraft.
Do not do downdraft.
Do not do downdraft.

I have the Kitchenaide electric version of this with downdraft. Heat, steam, smoke, grease etc rises and a downdraft attempts to make all of that do a 180 to go down. I even have the larger downdraft pipe size and it does not work. Like someone said above, it captures about 20% of what a hood would collect. If the AC is on, probably 5% as it messes with the airflow in the room.

We have to cook anything steamy with lids off to one side to divert it over the intake. Any pan frying or smokey I have given up and just do outside. The steam/grease/smoke that has escaped the downdraft has ruined the ceiling over our stove.

The only reason I didnt do hood overhead is because I would have to rearrange AC ducting, redo insulation, hole in ceiling, etc. But I should have done that all along and I will if we do a major kitchen reno in the future.
Posted by PerplenGold
TX
Member since Nov 2021
2215 posts
Posted on 8/22/24 at 4:06 pm to
We don’t fry much and have no fan, overhead or downdraft. Don’t have any issues. Ceiling isn’t particularly high over the gas range. Wanted a downdraft but builder poured the slab w/o checking with us. Open concept so overhead would look like crap. Range is on an island.
Posted by Boss
Member since Dec 2007
1749 posts
Posted on 8/24/24 at 6:05 am to
Don’t do it. We have had it in both of our last houses and they suck.

The flame gets pulled which creates hot spots. Any tall pot and the fan is useless. We have a microwave above the cooktop and I use that shitty fan more than the downdraft. That’s how bad it sucks. Do an overhead. We will be remodeling and it’s going to be a pain in the arse to do an overhead but I will never have downdraft again.

FYI, I cook all the time so I need something good. All downdrafts suck.
Posted by cgrand
HAMMOND
Member since Oct 2009
46690 posts
Posted on 8/24/24 at 9:19 am to
when Jenn air came out it was a revolution in cooking appliances and then people figured out that it was a shitty solution to a problem that didn’t exist
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