P1 Monitor
p1_monitor
The P1 Monitor integration allows you to gather data from your P1 Monitor device and use it in Home Assistant.
In Apple Home through HomeKit Bridge
What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.
| Entity | Shows up as | Note |
|---|---|---|
sensor | Sensor (air quality) |
What people report
P1 Monitor smart meter readers work locally; a 2022 failure occurred when no water meter was connected.
- Works1
| Device | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| P1 Monitor | Works Local | Power and water meter sensors; no-water-meter timeout reported in 2022Saved copyBreaking change Because I changed the way of creating entities in `sensor.py`, entity_id has added a service name. ## Proposed change <!-- Describe the big picture of your changes here to commun Excerpt saved from GitHub on 2026-10-23. | PR #74004 · 2022-06 |
Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.
How it connects
Local polling
Talks to the device on your network, asking it for updates every so often.
Details
| Installs (analytics) | 342 (0.05%) |
|---|---|
| Added in | Home Assistant 2021.9 |
| Set up in the UI | Yes |
| Maintainers | @klaasnicolaas |
In ReReHome
Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.
Bridges get their own settings page listing the accessories behind them.