The filter and the 200 m roof-coil heater now run on the PV forecast instead of a fixed schedule. Four weeks of numbers from a 13 m³ pool: 104 solar-pump hours for 46 kWh, a 2.8 °C lift in five days, and what a 650 € pool costs to keep for ten summers.
Home Assistant took the pool off the timer: filtering and solar heating when the sun pays for it




























