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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.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

Buy individually or both books together. Delivery is free!

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    • CommentTimeFeb 3rd 2018
    As a result of a link on the 'Alternative unvented cylinder brands' thread to https://energy-surprises.blogspot.co.uk/2012/10/combi-boiler-versus-hot-water-tank.html - I went to the author's own website and came across her Simple Home Heating Model at https://nicola.qeng-ho.org/housemodel/interactive.php

    It's a very simple model but it endeared itself to me because it let me select 'passivhaus' for the insulation levels :bigsmile: so I thought it was worth posting a link to it here. Heat loss models are oft requested.

    Nicola is interested to improve it, if we can think of anything and hopefully she will join in here.

    The main factor that makes it inaccurate in my case is that it currently doesn't take account of solar gains. so that's one area where figuring out what might be an appropriately simple level of adjustment could be useful.
    • CommentAuthorgyrogear
    • CommentTimeFeb 3rd 2018
    Thanks for the link, DJH.

    I ran my house through it several times, it was hopelessly out (the model, not the house !).
    (factor of Three...)

    By declaring a few Passivhaus features (which I cannot claim) then it came down to a factor of Two...

    "requires more work"


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