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Can you retrofit a Heat Recovery Ventilation (HRV) system

2»

Comments

  • #52
    s7ryf3925pivug
    Closed Accounts Posts: 4,007 ✭✭✭s7ryf3925pivug


    Shefwedfan wrote: »
    Interesting as I seen these and just thought they where mini HRV


    Could be interesting solution to stop condensation in my house


    https://smartheat.ie/drimaster/
    Yeah I found an old one in my attic, which is what prompted me to look up the topic.

    It is missing a plug and a tube. The vent for it in the hall was taped up. Will put a plug on it and see if it works. It's generally well-reviewed. My main concern would be it just sucking smoke into the house as the filters look basic enough.


  • #53
    MicktheMan
    Registered Users, Registered Users 2 Posts: 2,858 ✭✭✭MicktheMan


    Tatiana Rough Shot-putter wrote: »
    Would positive input ventilation be preferable to HRV for older buildings that are likely to have significant air leakage?

    I would not use or recommend the use of PIV for the simple fact that you will be introducing the real risk of interstitial condensation in your building structure (i.e. forcing moisture laden warm air out through a cold structure). MEV is far superior in this regard (i.e. no risk).


  • #54
    randombar
    Registered Users, Registered Users 2 Posts: 3,413 ✭✭✭randombar


    Got a quote back and it's a confusing one because I dont know the systems, it has three options for machine and ducting and I've no idea which one to go for:

    Domus HRX2-D
    vs
    Vent Axia Sentinel Kinetic Plus B
    vs
    DucoBox Energy 400


    https://www.dropbox.com/s/l71mmwgg91x4xgw/Screenshot%202020-01-21%2010.32.44.png?dl=0

    vs

    https://www.dropbox.com/s/doxdskaw86cq50y/Screenshot%202020-01-21%2010.33.02.png?dl=0


  • #55
    Shefwedfan
    Closed Accounts Posts: 18,958 ✭✭✭✭Shefwedfan


    0lddog wrote: »
    Think of it as something that could make it nicer to live in the house - a bit like having the house decorated for the first time in decades ....;)

    I was struggling too much, went solar PV instead


  • #56
    listermint
    Registered Users, Registered Users 2 Posts: 34,105 ✭✭✭✭listermint


    GaryCocs wrote: »
    Got a quote back and it's a confusing one because I dont know the systems, it has three options for machine and ducting and I've no idea which one to go for:

    Domus HRX2-D
    vs
    Vent Axia Sentinel Kinetic Plus B
    vs
    DucoBox Energy 400


    https://www.dropbox.com/s/l71mmwgg91x4xgw/Screenshot%202020-01-21%2010.32.44.png?dl=0

    vs

    https://www.dropbox.com/s/doxdskaw86cq50y/Screenshot%202020-01-21%2010.33.02.png?dl=0

    Did you make your mind up. Presently considering this as next phase of making the house pleasant to live in. Have ewi new windows doors . Attic insulation half done.


  • #57
    randombar
    Registered Users, Registered Users 2 Posts: 3,413 ✭✭✭randombar


    listermint wrote: »
    Did you make your mind up. Presently considering this as next phase of making the house pleasant to live in. Have ewi new windows doors . Attic insulation half done.

    Have paid a deposit to get the drawings and going to do it myself. Talked to a few more that have done it. Bit of a dose to install but saved a few K. All have said it’s made a great improvement to their homes.


  • #58
    CodeJACK
    Registered Users Posts: 82 ✭✭CodeJACK


    GaryCocs wrote: »
    Have paid a deposit to get the drawings and going to do it myself. Talked to a few more that have done it. Bit of a dose to install but saved a few K. All have said it’s made a great improvement to their homes.




    Who did you use to design and commission the MVHR? Thanks


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