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  1. #1
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    Aug 2007
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    Anyone seen these for heating your house then?



    looks interesting but ill bet the extract has to run all the time the heating is on!!!! http://www.atmos.uk.com/product_grou...n=000200130014



  2. #2
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    Sep 2006
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    Re: Anyone seen these for heating your house then?

    Not neccessary, because the heat pump can also operate with 100% outside air.
    I didn`t find the outdoor temperature operation range. Do you know it?

    regards

  3. #3
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    Re: Anyone seen these for heating your house then?

    .



    It's a bivalent hybrid boiler-heat pump.

    There was a German company showing one at the London HEVAR show last year.

    I don't think that there are many sold yet, but it's an interesting idea.




    .

  4. #4
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    Re: Anyone seen these for heating your house then?

    Quote Originally Posted by Argus View Post
    .



    It's a bivalent hybrid boiler-heat pump.

    There was a German company showing one at the London HEVAR show last year.

    I don't think that there are many sold yet, but it's an interesting idea.




    .

    They are not being greedy with there claims either.

    "Additional heat is taken from the outside air, so that the 665 Watts of electrical energy absorbed by the heat pump produces 2,500 Watts of heat energy. This is an astonishing efficiency of 378%. Put the two together and an overall efficiency of 130% is the result"

    They claim that just over 600 watts is converted to 2.5 Kw, that is a resonable COP calculation.
    Their only claiming it, at about 4 to 1 which by some heat pump manufacturers is downright ineffiecient

    taz.

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