[sclug] Wood vs GHC

John Stumbles sclug at yaph.org.uk
Wed May 22 09:25:32 UTC 2013

On 17/05/13 09:33, Bob Dunlop wrote:

> If I ever get my grandiose schemes off the ground I'd like to link various
> other inputs to my system.  A lot would be about attempting to predict
> future conditions to avoid running the heating unnecessarily.  So for
> example if the output from my solar PV system has been high for the day,
> I can predict that the living areas of the house will have benifited from
> a good level of passive solar heating, since this means I'm unlikely to
> need to run the central heating for room heating I would be better to
> provide the hot water demand by running the immersion heater than the
> boiler.

circa 12p/kWh peak rate electricity versus c. 3p for gas?
How inefficient is your CH system?!

John Stumbles                                       http://yaph.org.uk

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