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dirt around mvhr outlets


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I haven't, but then my vents don't fire out quite as close to the ceiling as yours appear to. That said, I don't get much (if any?) dust/dirt building up inside the vent and its supply pipe as the air being pumped in is reasonably well filtered. Do you have a filter installed in the MVHR unit? (Edit: Sorry, you quite clearly referred to the presence of a filter!)

Edited by MJNewton
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3 minutes ago, Marvin said:

No problem here. Four years now and no marks. Is the insulation tight against the ceiling and pipe?

 

What are the filters like?

 

Where is the MVHR drawing fresh air from?

Insulation is cellulose blown into the ceilings.

Filters are original ones from ubbink

Fresh air drawn from outside -close to the gutter... Not specifically dusty or dirty there.

 

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Maybe we all get it, but only certain types of vent that blow the air against the (slightly rough) ceiling surface end up 'catching' it. Here's my type, which whilst intended to throw air sideways by virtue of the internal profiling, won't ever throw it towards the ceiling so my dirt/dust is probably just landing elsewhere in the room!

 

conusairvalve.jpeg.b33c0eee852f6bef3e485757cd5bd44f.jpeg

Edited by MJNewton
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