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It’s got to that time of year when the nights are drawing in and the central heating is back on. The shorter gloomier days also mean that the abundance of solar generation we had through the summer is over and my mind turns back to how to be as efficient as possible with what’s created.

Last year I discussed some of the automations I had created through Home Assistant to help reduce energy costs. The basic idea was to try to “turn down” electricity and gas usage in rooms that were not in use. This was achieved through a combination of motion sensors and examining light states. (No motion plus no lights on equals an empty room).