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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.
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Renewable Energy: Hot tub electric use and PV.

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    Hi All,
    Afriend of mine that is not very energy concious is fitting a hot tub in the near future. I have looked at the blurb and it looks like it will cost him around £1.50 an hours to run when he is in it, less when he is out but obviously it needs heating. As I am little more energy concious I told him to look at PV to help with electricity production and it would help his carbon footprint. Although he does rear his own animals for meat, he has chickens etc so he is not all bad. Anyway, his roof orientation looks pretty good but how much of an area does a 4kW system take up? What would be a fair market price for a system installed under MCS? Any advice on manufacturers and those to avoid?
    I am also interested as I aim to build again soon and PV is high on my list.
    Many thanks,
    Gusty.
    • CommentAuthorDarylP
    • CommentTimeJun 19th 2013
     
    Sharp panels (but I am biased :cool:) 1.64m2 @ 245Wp so just under 4kW would need 16 number, 26.24m2.

    Good luck....
  3.  
    I understand that Grant now give a 25 year guarantee? Has anyone claimed on PV panel guarantees? Looking at the area he may need to go for ground mounted. How hard is planning for ground mounted?
    Thanks.

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