Re: quick advice for new home build

["happy_hammer66" <bill.mcmahon@xxxxxxx>]

--- In ukha_d@y..., "James Hoye" <james.hoye@s...> wrote:
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> > >1. Heating. My present plan is for a Geothermal Heat pump and
> > >underfloor heating (although maybe radiators for upstairs).
An
> > >additional heater for temporary high output requirement(baths
etc.)
> > >The Geothermal is supposed to be 75% free.
> >
> > Wow. I didn't think that stuff would work in the UK. I assume the
> Geothrmal
> > element is using deep clay as a heat resevoir? so it will keep
the house
> > cool in summer, warm in winter?
>
> I believe that there is a loop of pipe buried at a depth of 2-3m where
the
> temperature remains fairly constant.  Compressed refrigerant is then
pumped
> through this loop (or via a heat exchanger) where it absorbs the heat.
 The
> condensor on the other side dumps this heat - just like an air
conditioning
> system but in reverse - you effectively try to cool the ground, and
utilise
> the heat from the condensing process.
>
> I also believe that the compressor is a mighty 3kW beasty that costs
several
> grand and runs best on off-peak electricity ;)
>
> James H


I'll be getting a couple of quotes in soon and will advise, but one price
list i saw for an 8Kw pump was 3K stg + VAT and you still had to add the
loop pipe (or collector), cooling option (heating and cooling)
hot water.

BMcM