Sensors

Aranet

aranet

Built inLocal push

Integrates Aranet devices into 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 (CO₂, humidity, temperature)

What people report

Aranet Bluetooth sensors are supported, including through Bluetooth proxies.

Works6

Device	In Home Assistant	What they said	Source
Aranet Radiation	Works Local	Support added Saved copy Proposed change Add support for Aranet Radiation devices ## Type of change - [ ] Dependency upgrade - [ ] Bugfix (non-breaking change which fixes an issue) - [ ] New integration (thank you!) - [x] New feature (which adds functionality to an existing integration) - [ ] Deprecation (breaking change to happen in the future) - [ ] Breaking change (fix/feature causing existing functionality to break) - [ ] Code quality improvements to existing code or addition of tests ## Additional information - This PR fixes or closes issue: fixes # - This PR is related to issue: - Link to documentation pull … Excerpt saved from GitHub on 2026-10-23.	PR #115239 · 2024-04
Aranet Radon Plus	Works Local	Support added Saved copy Proposed change Added Aranet Radon sensor support Bump aranet4 library (required for radon sensor): https://github.com/Anrijs/Aranet4-Python/compare/v2.3.4...v2.4.0 ## Type of change <!-- What type of change does your PR introduce to Home Assistant? NOTE: Please, check only 1! Excerpt saved from GitHub on 2026-10-23.	PR #124197 · 2024-08
Aranet2	Works Local	Support added 2023 Saved copy Proposed change Add support for Aranet2 devices Bump aranet4 to 2.2.2 GitHub diff: https://github.com/Anrijs/Aranet4-Python/compare/v2.1.3...v2.2.2 ## Type of change <!-- What type of change doe Excerpt saved from GitHub on 2026-10-23.	PR #101495 · 2023-10
Aranet4	Works Local	CO2 sensor, listed as supported Saved copy Supported devices: Aranet2; Aranet4; Aranet Radiation; Aranet Radon Plus; Aranet Radon One. Excerpt saved from home-assistant.io on 2026-10-23.	Docs
Aranet4 CO2 sensor	Works Local	CO2, humidity and temp at 0.1 increments; expensive Saved copy I have an Aranet4 that does CO2, Humidity & Temp at 0.1 increments. They have an AC battery adapter. It is an expensive solution, but I needed them for a project so I have them. Excerpt saved from the Arctic Shift Reddit archive on 2026-10-23.	Reddit comment · 2026-01
Aranet4 via Shelly Plus 2PM proxy	Works Local	Connected through Shelly Bluetooth proxy after waiting Saved copy The problem I have an Aranet4 device with firmware `v1.3.5` and "Smart Home integration" enabled. I also have a Shelly Plus 2PM device with firmware `v1.0.3 (latest)`, and with all Bluetooth-related options switched on (`Enable Bluetooth`, `Enable RPC`, `Enable Bluetooth gateway`). The Shelly integration is configured with `Bluetooth scanner mode` set to `Active`. The host computer I am running HA on does not have Bluetooth adapter, so I am relying on proxy alone. When I try to add Aranet integration I am presented with a dialog box saying: [code] When I click `Submit` I get an error message … Excerpt saved from GitHub on 2026-10-23.	Issue #101283 · 2023-10

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 push

Talks to the device on your network, and the device tells Home Assistant the moment something changes.

Found automatically over

Bluetooth

Details

Installs (analytics)	1,616 (0.23%)
Added in	Home Assistant 2022.12
Set up in the UI	Yes
Maintainers	@aschmitz, @thecode, @anrijs

Devices listed in its documentation

Aranet2
Aranet4
Aranet Radiation
Aranet Radon Plus
Aranet Radon One

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.