Air Sourced Heat Pumps Air Sourced Heat Pumps
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  1. #1

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    Default Air Sourced Heat Pumps

    anyone have any experience?

    I've got a few quotes from companies and the illustrations on savings on gas and RHI rebate, but reading a few reviews there does appear a few variables, in terms of electricity usage, pumps reliability etc

    wondering if anyone has had one installed?

  2. #2

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    Quote Originally Posted by filthy1980 View Post
    anyone have any experience?

    I've got a few quotes from companies and the illustrations on savings on gas and RHI rebate, but reading a few reviews there does appear a few variables, in terms of electricity usage, pumps reliability etc

    wondering if anyone has had one installed?
    Do you have a gas supply?

  3. #3

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  4. #4

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    Quote Originally Posted by rich_e View Post
    Do you have a gas supply?
    yes

    renovating the house with underfloor heating & more bathrooms, so would need a new heating system anyway, ASHP looked appealing in terms of total cost of ownership

  5. #5

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    It makes no economic sense to install, maintain and run an air source heat pump if you are connected to mains natural gas.

    If you live somewhere with only oil or electric for heating, it make some sense, although ground heat is more cost effective if you can live with having the garden dug up for pipe installation.
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  6. #6

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    Dim is right, also need very good insulation.
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  7. #7

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    thanks for the feedback chaps

    think I'm edging towards not doing it

  8. #8

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    Default Air Source Heat Pumps

    As others have said, not economically viable in your scenario. One thing that people don't realise about air source heat pumps is that they are usually selected based upon an outside temperature of around 7C, and incorporate direct electric heating elements (possibly up to 12kW) that kick in at lower temperatures. In an older UK house this is likely to happen quite often during the winter resulting in high running costs. If you have a super insulated house that holds the heat (like in Scandinavian countries) it is unlikely that the supplementary heaters will ever kick in and running costs will be considerably lower.

    If I were you I would be looking at a condensing gas boiler (not combi if you have more than one bathroom) set to run at 50C. It will happily condense away at maximum efficiency all day long. Separate direct gas fired water heater set at 60C for the hot water supply.

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