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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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Ventilation: MHRV purge and dust control

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  1.  
    • CommentAuthorwholaa
    • CommentTimeJul 26th 2020
     
    Hi all,

    Can purge mode on MHRV be used to reduce dust? Does it make sense to take it on during and after hooving your home?
    •  
      CommentAuthordjh
    • CommentTimeJul 26th 2020 edited
     
    Posted By: wholaaCan purge mode on MHRV be used to reduce dust?

    What do you mean by purge mode on MVHR?

    edit: And why would there be dust whilst vacuuming? Vacuums have filters.
    • CommentAuthorwholaa
    • CommentTimeJul 26th 2020
     
    My vent-axia MHRV system runs at about 21% (if that is correct terminology), but it has goes to something like 40% if I have showers. There is an option called purge where it runs at around that higher rate, I think the manual suggested it for when you have bad smells or people smoking. Anyway when I hoover my home there is always a lot of dust kicked up in the air that doesnt get sucked into the machine so I wondered could pruge mode clean the house.
    • CommentAuthorMike1
    • CommentTimeJul 26th 2020
     
    Then one option to look at would be fitting filters to the ventilation extract terminals, to stop the dust being pulled into the ducts (whether or not using purge mode).
    • CommentAuthorwholaa
    • CommentTimeJul 26th 2020
     
    I see. I will look into this. My house is not particularly dusty and there is a filter for extract air. I guess the problem in my idea is that the air will only be cleaned that is aroud the bathrooms
    •  
      CommentAuthordjh
    • CommentTimeJul 26th 2020
     
    Ah, OK, so purge just means a high rate.

    I would buy a vacuum that doesn't kick up a lot of dust. Good vacuums suck up dust, not blow it around.

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