====== boost the heating ======

  ems-esp/thermostat
  {"cmd": "boost", "data": "on"}

  use case Batt charged to 90% boost the warm watter
  
====== change the temperature ======
  
  ems-esp/thermostat
  {"cmd": "seltemp", "data": "21"}
  
  
====== hot watter more ======

  {"cmd": "extra", "data": "on"}