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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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Energy Assessment: Large Fan for Air Testing

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  1.  
    Does anyone have any supplier information for large fans suitable for air tightness testing?

    I have currently only found details on a company called Infiltec.

    Thanks in advance
    • CommentAuthorbrig001
    • CommentTimeJan 21st 2009
     
    Doesn't really answer your question, but might be useful to someone...
    I left the front door open on a windy day (wind was the right direction) and followed the air with joss sticks. Found leaks round pipes in kitchen etc. No idea what the air changes per hour were or the pressure...
  3.  
    I would suggest a high proportion of houses have some leakage around service entry points in both kitchens and bathrooms.
    • CommentAuthorTimber
    • CommentTimeJan 21st 2009
     
    http://www.stroma.com/TestingServices/AirTightnessTestingEquipment.aspx

    RetroTech are the ones that i know of

    Timber
    • CommentAuthoranglia
    • CommentTimeJan 22nd 2009
     
    The two main makers are Retrotec and Minneapolis(the energy conservancy) Both are available from BSRIA 01344 465600 Retrotec are available from Stroma. both are made in USA
  6.  
    Thanks guys, however I meant the very very large fans that normally sit on a trailer. As far as I know Retrotec don't supply these.
    • CommentAuthorTheDoctor
    • CommentTimeJan 22nd 2009
     
    find the number for, and call a company called "Building Sciences"

    air tests a speciality
    • CommentAuthorchuckey
    • CommentTimeJan 22nd 2009
     
    • CommentAuthoranglia
    • CommentTimeJan 23rd 2009
     
    Speak to BSRIA, they use such things. however you're talking thousands of pounds.
    • CommentAuthorcookie
    • CommentTimeJan 24th 2009
     
    Are you looking to purchase a fan or do you want an air leakage testing company?

    I had a company test a nursing home I built and their fan was 6ft. They had units to fill 5M high loading bays although I think they were multifan setups on back of articulated waggon with on board generators. Unfortunately I can't remember the name but I think they were based in York.

    Cheers Cookie
  11.  
    Thanks Chuckey but sadly no these wouldn't be suffice. The one I require is a monster.

    The company I work for are looking into purchasing one but it seems they're not easily obtainable.

    Thanks for the effort.

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