Cooktop Vent Has a terrible smell coming from it


Old 02-20-11, 04:42 AM
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Cooktop Vent Has a terrible smell coming from it

We noticed a terrible smell in our kitchen Monday night 2/14. By Tuesday night we had narrowed it down to the cooktop downdraft vent. So here is what's bizzare...when the vent runs there is NO smell. But within 20 minutes of turning it off the smell returns. We have taken the vent grill cover off and the filter out and cleaned both. Upon putting it back together the smell returns within 20 minutes. It smell like cooked broccoli to a certain degree which really smells terrible when cooked in the microwave. My husband thinks something has found its wat into the downdraft and died but I am no convinced of that yet. We have NO idea where the downdraft exits the house. My husband has been on the roof before and says he knows where both of the bathrooms vent to the outside but not the downdraft. I phoned my HVAC guy who was supposed to come yesterday but I would like to know if I am even calling the proper service people in? Has anyone ever heard of something like this before???
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Old 02-20-11, 07:38 AM
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If I understand what you mean by a down draft they often exit through the nearest exterior wall and look like a dryer vent on the outside of the house.

If it is part of your cooktop I'd suggest calling an appliance repairman who handles stoves.

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