Heat pump pricing

[hairykrishna]

We're pricing up doing a barn conversion and I've been looking at ground source heat pumps. Obviously for these rather a lot of piping needs to be buried. Is there any reason this piping couldn't be buried early on in our project, when I'm likely to have a big digger on site, then connected up to the pump towards the end of the build? Probably many months later.

I couldn't see a reason why not, but I know next to bugger all about them.

[guindilias]

Nope, no reason at all. Wash out the piping if it has any dirt in it, then cap it off temporarily until you are ready to connect up.

[Rickyy]

Bore hole is another option, but is dependant on a geographical survey and is quite costly.

[guindilias]

Aye, about £15k per borehole last time I had them dug - all 20 of them. And £12k each to actually test them with a mobile rig, to see how much heat you can pull out of them.
I'd be getting busy with the digger!