The Pre-Heat function (Forecast) ensures that the comfort temperature is reached at a certain given time. The warmup time is continuously adjusted according to the seasonal temperature changes.
1.      Pre-Heat function ensures the wanted temperature at the wanted time;
2.      Pre-Heat function uses data from the previous 7 days to be able to reach the correct temperature at the right time.
3.      Pre-Heat function is sensitive to large, rapid temperature changes.