ASHP do they actually work?

attila_
attila_ Posts: 462
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edited 23 January at 3:27PM in Heat pumps
I'm confused (not difficult mind),

I'm looking at replacing and lpg boiler with an ASHP. I have underfloor heating.

The boiler is currently rated at 28kW which supplies hot water and heating. This is typical size for a three bed house.

I have been told by the salesman that i could replace the boiler with a 14kW ASHP and it will be enough to heat the home and provide hot water.

How is this possible? has anyone actually got one of these installed?

Comments

  • Hintza
    Hintza Posts: 19,420
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    No but I have GSHP fitted and so far it is the dogs danglies, been up and running since November.

    Have a look at this website:-

    http://www.nibe.co.uk/
  • attila_
    attila_ Posts: 462
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    Is the benefit of a GSHP over an ASHP the COP? This may look like an acronym joke!
  • muckybutt
    muckybutt Posts: 3,761
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    The ASHP we had was utter s**te !

    Would never go down that route again, GSHP a distinct posibility but never ever ASHP.
    You may click thanks if you found my advice useful
  • Hintza
    Hintza Posts: 19,420
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    The COP on an ASHP is lower and for me I decided that when it got down to below freezing it was really going to struggle.

    We also had enough ground to lay out the loops for the GSHP, this winter (mild) I think the ground temp never dropped below 5-6C. We sucked 4-5C out of that before it returned to earth. We have very wet soil which is great for GSHP.

    Loops to lay are a pain and unless you are really on the ball they will become spaghetti and then kink. Fortunately we only had one bad kink.

    Drilling will cost about £40/m (up here) which roughly will be double the cost of laying a loop.

    If I was pricing this up and could get a half decent price on an ASHP and a good wood burner (for the really cold days) with a very thermally efficient house I might be tempted.
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