And three things you should not do in search of lower electricity bills.
I have learned that there is little to save by lowering the temperature of the air-to-air heat pump at night. The winding goes fast goes up in the spinning when the heat pump has to work up the temperature of the morning twig.
The tip for the advisory service Enova Svarer is to adjust the temperature a bit up at night when power prices are lower. Then lower it to normal temperature again in the morning.
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