On 11/11/2020 17:22, misterroy wrote:
On Wednesday, November 11, 2020 at 4:06:02 PM UTC, Davey wrote:
On Wed, 11 Nov 2020 15:34:25 +0000
williamwright wrote:

Anyone had any experience of this?

Bill
No, but this might be helpful:

https://www.greenmatch.co.uk/blog/20...rce-heat-pumps

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Davey.
As was said above, no but this might be helpful
https://www.nrel.gov/docs/fy13osti/56393.pdf
It is a question I have too, but it has been a long day.
I am an air source sceptic, but willing to be proved wrong

Thank you.

Bill