Super Device

[LGO44 (LE GALLO)]

It should be nice to have the capability to create a device ( as an area) that could gathered from different integrations.
May be it could be done by adding attributes to “Area” ( “room”, “device”,…)
This could be easy to filter data of HA.
For example a water boiler that included an electrical device, fuel datas, temperature

[nickrout]

I believe there is a custom component to do this.

[nickrout]

Found it, this may be what you want:

Device Tools: Create, Modify and Merge Devices

Devices and their pages are a great way to group entities and see relevant information about a physical device in one glance. Unfortunately many custom and core integration are not using the built in ways to reuse existing devices or attach lose entities to their associated device. Also users are not allowed to manually create devices or override device attributes in any way although sometimes this functionality would be helpful with better representing the actual physical device’s information…