I have a solar panel on the roof of our old house which heats our water and we
need nothing else in the summer. But I can't imagine addressing the complexity
of combining that collector with a heat pump system. I'd stick to natural gas
as a source of energy rather than that.
Chris
On 28 Nov 2012, at 19:44, Ken Norton <ken@xxxxxxxxxxx> wrote:
> A pretty recent development is solar/heatpump. Use a fluid-based solar
> collection system to heat an insulated tank. The normally ground-based
> heat-pump would cycle through this tank instead. As water is a pretty
> good thermal mass, but not the best form of thermal mass, you can
> construct a tank that is a combination water and other materials with
> greater thermal mass.
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