List of valid values for the Type key, roughly categorized
Temperature: the current temperature reading at the thermostatRelative Humidity: the current relative humidity reading at the thermostatHeating Setpoint: the current heating setpointCooling Setpoint: the current cooling setpointOverride: whether or not the thermostat is in override modeMode: which mode the thermostat is in (this is the policy, not what the thermostat is currently doing)State: which state the thermostat is in (this is what action the thermostat is performing)Fan: whether or not the thermostat has the fan enabled
State: whether the light is on or offBrightness: the brightness of the lightColor: the color of the light
Voltage: the measured voltageCurrent: the measured currentPower: the measured powerApparent Power: the measured apparent power
OccupancyTemperatureRelative HumidityCarbon DioxideIllumination