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Home Assistant TestFlight
Generic

CO2 sensors

Sensors · Security

WorksWorks in Apple Home

1 report: 1 says it works.

Reported on r/homeassistant.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Not namedWorksWorks in Home
Hardcoded CO2 threshold caused detected notifications; now configurable
Threshold configurable since 2024.06
Saved copy
The problem After exposing some CO2 Sensors from HA to HomeKit via the HomeKit Bridge Integration I got al lot of notification about CO2 being detected. The CO2 threshold used to set this indication is currently hardcoded: https://github.com/home-assistant/core/blob/9e46c2e2b308a7c60bd4b25de86197ee0e95440e/homeassistant/components/homekit/type_sensors.py#L391 https://github.com/home-assistant/core/blob/9e46c2e2b308a7c60bd4b25de86197ee0e95440e/homeassistant/components/homekit/const.py#L249 It would be great to have this value configurable via the `entity_config` section. ### What version of …

Excerpt saved from GitHub on 2026-10-23.

Issue #111223 · 2024-02

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In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandGeneric
CategorySensors