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I wrote a short paper for the recent International Passivhaus conference about heating Passivhaus buildings using electricity preferentially when there is an abundance of wind. As grid electricity decarbonises matching variable supply from renewables with demand will become increasingly useful. In Scotland the main renewable power source in winter is currently (and likely to continue to be) wind power, so it made sense to match the heating just to that. It’s a short study (just two pages) that I’m hoping to extend in the future. You can read it here.


There was also a poster that went with it. You can see that here.



In the previous post I looked at the main factors other than internal air temperature that affect how thermally comfortable we feel in a room. Internal surface temperature played a big role, both because of its influence on radiant heat loss and because of the ability of cold surfaces to cause fast-moving air through down draughts.