Token Sane Person@TimWardCam @gavin57 @CaffeinatedBookDragon @cstross @Oggie @pluralistic The other thing about dumb thermostats is that they have hysteresis and no prediction. Say you set it at 20 degrees C. It waits until the temp is 19 before turning on. Then it stays on until the temp is 21. But the radiators are still hot so your house heats up to around 22. A 3 degree temperature swing is pretty uncomfortable.
Our smart thermostat now keeps the temp within 1/2 a degree C of what we set.
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