Sensordata trukket fra hinanden

### DELTA-T ###
- platform: template
  sensors:
    delta_t:
      value_template: >
        {{ '%0.1f' | format(states('sensor.flowcloud_inlet_temperature') | float -
                            states('sensor.flowcloud_outlet_temperature') | float)  }}
      unit_of_measurement: "°C"
      friendly_name: Delta-T