Neighbour getting smells from our extractor fan?

Those are the minimum heights, you can have it higher if convenient.

I like them high enough that I can't hit them with my head.
True they are minimum heights, but the higher you put the extractor the less effective it becomes.

In this instance trying to fit an extractor & cowl under a flying shelf can take the extractor under the minimum height for gas which is why I mentioned it. ;)
 
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As its a recirculating extractor fan isn't it the case that its enclosed so it's not possible to attach a pipe to it anyway.

All cooker hoods, that I am aware of, offer the option to be installed to recirculate, or extract out of doors. The latter, is just more expensive/involved, but almost essential. A suitable pipework is needed, and a hole through the wall.
 
My neighbour took me into his upstairs bedroom and I did smell our downstairs cooking smells.
I've taken some more pictures to show here. I would appreciate some advice on hiw it's fitted and if anything looks wrong.

For some reason it won't upload the extractor fan photos so here's a link

 
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Theres room above the cabinets to fit ducting. Is that wall tne party wall?
 
In the second image there appears to be a gap in top left of where the ducting was routed. Is that so?
 
No the party wall is the other end of the kitchen. The wall the extractor fan is on is our bathroom wall.

There is a good 3 inch gap all around between the silver ceiling and the old white ceiling above it. Please se photo.

Is there any way of maybe ducking it or sealing it so the smells don't travel all the way along ceiling cavity between new and old ceiling then into his bedroom? Should it already be sealed and can imagine not great that the cooking smells are being directed into our ceiling cavity ie between old and new ceiling? Is there a easy solution without having to buy a new vented extractor fan?

 
You could try stuffing it with rockwool as long as it doesn't have a ventilation function
 
You could try stuffing it with rockwool as long as it doesn't have a ventilation function

Thanks. How do I know if it has a ventilation function? Where abouts wpuld I put the rockwool?
 
Does not appear to have charcoal filter fitted , not that they make much difference , so your current fan is just blasting the air up to your ceiling and around the room .
If external wall is left or right of the fan you could lose the top half of the chimney and run hose out to and thru wall and box in above upper cupboards to hide.
 
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I presume you removed some kind of three sided metal chimney from the top of the hood to take this pic, which to my mind makes it more clear why your hood is forcing cooking smells into the fabric of the building; up the chimney, into the gap between your new grey ceiling and the old broken white one, which directly adjoins the floor joists that (probably) run through to next door. The route is thus complete from your kitchen to their bedroom when the fan is on. Even without that chimney the exhaust blast from the hood will be pushing air through the square hole in the ceiling and on up to other rooms

It doesn't take much of a scent to trigger a human

I recommend you duct your hood outside; where is the nearest external wall?
 
I spoke to an electrician and said it's not possible to vent an extractor fan, in fact let me quote him. "To get pipe out will be a problem, your boiler flue must be min 300 away from any openings to the building inc extractor openings"

He said he can fit a plume like in this photo but I'm mot keen on a plume going along the wall, would rather just the one opening coming out and run it along inside the wall cavity somehow? If possible
 

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What I have done to pacify the neighbour and hopefully stop the smells into his bedroom I've covered the top of the largest circle part at the top in this picture also where it says 13 on the diagram.

Is this OK do you think and won't cause any serious issues or dangerous?
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