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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.

Buy individually or both books together. Delivery is free!


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    • CommentAuthorscrimper
    • CommentTimeMay 2nd 2013
     
    Hi all ... my first post, having learned so much from these boards, thought I'd start with (what I hope!) is a super easy question:

    Where do I go (and how much should I pay?) to get someone independent to evaluate our proposed house renovation, and to calculate as accurately as possible the KWH requirements for the year and for each room? We are (hopefully) going to end up with a 4,500sq. foot house, with 8 acres of mature woodland ...

    Have got my head in a spin with all these wonderful options open to us ... before realizing that I need to nail down precisely what we need before I can even begin to choose between solar, wood, air source blah-di-blah ...

    Hope someone out there can help! Thanks ...
    • CommentAuthortony
    • CommentTimeMay 2nd 2013
     
    U values for walls, roof/ceiling, floor and windows? how air tight is it? Where is it?
    • CommentAuthorscrimper
    • CommentTimeMay 2nd 2013
     
    Thanks Daryl - will email you ..

    Tony - yup, will obviously need to nail down these values. We are on the Wilts/Dorset border. God only knows how air tight it will end up ... although it does have 100% flat roof ... I wonder whether that will have an impact?

    P.
    • CommentAuthorEd Davies
    • CommentTimeMay 2nd 2013
     
    If you can use a spreadsheet you can do it yourself. Work out the U-values and areas of the various walls, roofs, etc, and estimate how much leakage and do the sums. There's probably a few people on this forum who've got spreadsheets you can crib from but if you understand the principles (which are pretty simple) it's probably less confusing just to do your own.
    •  
      CommentAuthorSteamyTea
    • CommentTimeMay 2nd 2013
     
    Do you know how much you use at the moment?
    Are you on gas, have you measured your place up? Find out how all the components are constructed, get some local weather data.
    As Ed says, not that hard to make a spreadsheet that will allow you to change things.
    • CommentAuthorscrimper
    • CommentTimeMay 3rd 2013
     
    Guys - am up and running now ... thanks for all the input, a great help. All the best - P.
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