hugo7-
It’s a whole-house system, every habitable room has supply/extract/both.
We’re trying to make the house as insulated and airtight as possible, which then requires active ventilation. MVHR recovers heat from extracted air, imparts it onto the filtered fresh incoming air, so you’re not constantly paying to heat new cold air.
Aside from the ventilation and heat recovery, my lungs are a bit ropey from having grown up near Chernobyl so I don’t cope well with mould/damp; effectively MVHR eliminates these things.
I visited a few houses with MVHR before committing; it makes a massive difference to the air quality and feeling of ‘freshness’, especially in a previously musty old Victorian house. My sister’s new-build flat came with it installed, and always feels nice, airy and comfy, with no cat litter or greasy cooking smells.
It was a ballache finding routes for all the ducts, and the bath is a bit of a squeeze due to all the shit crammed in the corner, but it was a one-time opportunity to get it installed and a no-brainer for me.
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ectoplasmosis
Loft almost done, bathroom nearly ready for tiling. Was a real head scratcher trying to get the MVHR gubbins, bath and shower tray to fit; have ended up with MVHR cupboard doors sitting ~30mm over the left edge of the bath. Not ideal, but the only practical way I could see to make it work.
The plumber fitted the bath the wrong way round while we were away this week lol, the overflow is meant to be on the front side, facing away… should I make him spin it 180deg, or just live with it? Can’t face another delay…