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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: Should I buy thermodynamic solar panels now without RHI?

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      CommentAuthorSteamyTea
    • CommentTimeDec 12th 2013
     
    Not heard of any down here, but fit one so that we all know what it is like.
    • CommentAuthormarkocosic
    • CommentTimeDec 12th 2013
     
    Ask for the performance data first.

    My take: they're a gimmick. Take a perfectly functional air-water heat pump, remove the evaporator, and replace it with one that is grossly undersized but comes with a "solar" label in the hope that you can claim solar subsidies for a heat pump. (you can't in the UK)

    They may be worthwhile for domestic hot water in an off the gas grid situation, but worthless for any significant load as the thermal resistance of the "collectors" (evaporators) is huge compared with a fan blown finned unit.
  3.  
    The manufacturers have had about four years to sort out independent testing and obtain MCS approval but have failed to do either.
    We have only come across one system which has verifiable figures as it had a usage meter fitted and this is at:

    http://www.renewablerescue.co.uk/case-study/case-study-4

    Not a glowing recommendation from the owners.
    • CommentAuthorTriassic
    • CommentTimeJan 21st 2014 edited
     
    Posted By: moulesnfritesNot a glowing recommendation from the owners.
    ""this thermodynamic system has been proven to be a complete and utter financial disaster.

    The technology does not qualify for the RHI (renewable heat incentive) and running costs of over £600 a year or £11.95 a week for hot water and heating to six radiators have proven that this technology, which was not designed for use in the UK, should be avoided as the same £10,000 spent on a ECO boiler and a PV system with the feed in tariff would have been a far wiser choice.""

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