developers.home-assistant/blog/2024-12-26-area-squared-uni...

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author authorURL title
mikey0000 https://github.com/mikey0000 New area device class

Summary of changes

A new AREA device class is now available for number and sensor entities, together with automatic unit conversion based on the unit system. A corresponding UnitOfArea unit enumerator, and AreaConverter converter class have been added to support the new device class.

Backward compatibility

The AREA_SQUARE_METERS constant has been deprecated and will be removed in Home Assistant 2025.12. Custom integrations should be adjusted to use UnitOfArea.SQUARE_METERS.

More details can be found in the Number documentation and Sensor documentation