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Heating and cooling: ASHP choices

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    • CommentAuthordivergav
    • CommentTimeJun 19th 2009
     
    Hi

    I was going to go for a Mitsubishi ASHP, but after seeing the film End of the Line, I've decided I don't want to help pay for the destruction of blue fin tuna and am now looking around for an alternative model.

    Any advice from people who have ASHPs would be great as this is new territory for me. I read on another thread about a new Sanyo model, but cannot find details of it.

    Thanks

    Gav
    • CommentAuthordivergav
    • CommentTimeJun 19th 2009
     
    I have now found details of the Sanyo CO2 heat pump and it looks interesting. Oceanair in Bristol are distributing the unit
    • CommentAuthorsinnerboy
    • CommentTimeJun 23rd 2009
     
    Have a look amongst these reports to see how it fared in lab tests D .

    http://www.ntb.ch/3896.html
    • CommentAuthorDantenz
    • CommentTimeJun 23rd 2009
     
    Posted By: sinnerboyHave a look amongst these reports to see how it fared in lab tests D .

    http://www.ntb.ch/3896.html" rel="nofollow" >http://www.ntb.ch/3896.html

    Can't find any reference to said product.
    • CommentAuthorsinnerboy
    • CommentTimeJun 23rd 2009 edited
     
    Pity .

    There is a difficulty in comparing all heat pumps . Unlike with oil or gas boilers where we can consult
    http://www.sedbuk.com/ we don't have a similar database for heat pumps .

    The university at Buchs Switzerland can test up to 25 heat pumps per year . Manufactureres - or some anyway - volunteer for testing . I personally would draw my own conclusions from Sanyo's omission from the Buchs WPZ reports

    This is a link to an EU sponsored field testing of heat pumps in Lahr Germany

    http://www.agenda-energie-lahr.de/WP_Jahresbericht2006-08.html

    Sorry but it is not avaialble in English but a review of the latest findings can be seen here , where the summary is translated by a German speaker

    http://www.constructireland.ie/vb/showthread.php?t=746

    You may care to look here too

    http://www.annex32.net/index.htm

    A 10 country panel of countries ( not UK or Ireland ) are taking part in international research on heat pump systems . Search around the site and you will find plenty of enthusiasm for heat pumps . But you wont find a Sedbuk style consumer friendly way to compare models however .

    Colors to the mast - I am skeptical
    • CommentAuthorsinnerboy
    • CommentTimeJun 25th 2009 edited
     
    Well I'll be

    This database is developing - slowly

    http://www.sei.ie/Your_Building/BER/BER_Assessors/Technical/HARP_Database/Heat_Pumps/

    There is a Sanyo model ( if you can find it amongst ALL the others )

    My skeptism remains - HARP data base or not
    • CommentAuthorsinnerboy
    • CommentTimeJun 25th 2009 edited
     
    Just to add - I have been checking this data base for about 2 years . It grows slowly . Despite generous grant aid to install heat pumps in Ireland the industry seems coy about supplying data to SEI . I wonder why ?
    •  
      CommentAuthorali.gill
    • CommentTimeJul 4th 2009
     
    Air source heat pumps: Heroes or villains?
    http://www.bsdlive.co.uk/story.asp?storycode=3142370

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