This integration allows displaying and controlling Sensi thermostat.

It was developed by reverse engineering the mobile app and work done by https://github.com/w1ll1am23/pysensi, so the integration could fail at some point.

On adding the Sensi integration, you should see one device and up to 8 entities. You will need credentials used in the Sensi mobile app.

• Only single target temperature is supported; temperature range is not supported. You will have to set heat/cool mode yourself.
• The available operating modes Auto/Heat/Cool/Off are based on thermostat setup.
• Supported fan modes are: Auto, On and Circulate (10% duty cycle). Not all Sensi thermostats support circulation mode and the option will be unavailable in that case.
  • Fan support can be disabled, in which case fan modes will not be available.
• Data is refreshed every 30 seconds.
• The Temperature sensor will have unit based on the thermostat setup but the Climate entity will show temperature based on HomeAssistant locale setting.
• Some Thermostat display properties such as Display Humidity, Display Time and Continuous Backlight can also be controlled. Not all thermostats support Continuous Backlight feature and the option will be unavailable in that case.
• The Fan Support configuration can be used to disable fan.
• If the thermostat is Offline, the entities will appear unavailable.

Sample attributes on the climate entity:

hvac_modes: off, heat, cool, auto
min_temp: 45
max_temp: 99
fan_modes: auto, on, Circulate
current_temperature: 70
temperature: 76
current_humidity: 99
fan_mode: Circulate
offline: false
wifi_connection_quality: 66
battery_voltage: 2.981
hvac_action: null
circulating_fan: on
circulating_fan_cuty_cycle: 10
attribution: Data provided by Sensi
friendly_name: Living Room
supported_features: 9

So far, simultaneous logins from mobile app and integration have not been problematic. But it has been noticed that sometimes changing thermostat properties does not take effect, this could be either due to something going on at Sensi backend or the thermostat temporarily going offline.

• Download and copy all the files from custom_components/sensi/ to <config directory>/custom_components/sensi/.
• Restart HomeAssistant.
• Create an account on the Sensi mobile app.
• Add the integration using the Add Integration button in Integrations page on your Home Assistant instance.

None

The entity/unique ids have been correct. Unfortunately, this will cause the previous entities to appear duplicate/disabled. You would want to remove the previous entities and reference the new ones. The new entity_id is based on the name given to the thermostat and not the device_id which is more accessible.

The battery level is now computed based on a formula. It is not perfect but should give some idea of the battery state. The battery voltage itself is now available as an attribute. You will see a warning like The unit of sensor.sensi_36_6f_92_ff_fe_02_24_b7_battery (%) cannot be converted to the unit of previously compiled statistics (V).

The entity ids have changed to support multiple thermostats on the same account. Your previous entities would appear duplicate/disabled. You would want to remove the integration and add it back.