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Forcing fresh air in through the attic?

  • 29-11-2017 11:10am
    #1
    mikeysmith
    Closed Accounts Posts: 326 ✭✭


    Do these systems work effectively to reduce condensation?

    They are supposed to drive the moist air out of the house by pumping in fresh air into the landing ceiling?


Comments

  • #2
    DOCARCH
    Moderators, Home & Garden Moderators, Science, Health & Environment Moderators Posts: 18,445 Mod ✭✭✭✭DOCARCH


    Yip....they work alright.

    PIV - Positive Input Ventilation.


  • #3
    mikeysmith
    Closed Accounts Posts: 326 ✭✭mikeysmith


    If you setup an inline fan to blow in some fresh air would it work to improve humidity in a house with double glazed and standard air vents

    Or is there other considerations ?


  • #4
    MicktheMan
    Registered Users, Registered Users 2 Posts: 2,880 ✭✭✭MicktheMan


    I would always prefer to use a MEV system rather than a PIV one.
    Reason being I believe it's better to extract the moisture laden air through dedicated ducting rather than forcing it through gaps & cracks in the structure.


  • #5
    mikeysmith
    Closed Accounts Posts: 326 ✭✭mikeysmith


    On an existing building , 3 bed-semi with vents and double glazed

    Is PIV any good?


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