Matter smoke or CO alarm on Homey
For smoke and CO alarms, Homey supports pairing, control and automation triggers. It does not support automation actions. Our confidence in this answer is Med.
At a glance
| Answer | Homey |
|---|---|
| Pairing | Y |
| Control | Y |
| Starts an automation | Y |
| Controlled by an automation | N |
| Confidence | Med |
| Matter spec | 1.2+ |
What this means
All four answers are confirmed for this device type on this platform. Individual products can still implement less than the device type — check the product notes before you buy.
Requirements
Hub requirement: Homey Pro, Homey Pro mini or Homey Self-Hosted Server (Matter 1.5 controller) required. Thread border router for Thread devices.
Matter spec: 1.2+.
Confidence
The evidence is a mix of official platform documentation and product- or community-level reports; some answers rest on documentation alone.
Sources
- support.homey.app · official · 2026-10-22
- support.homey.app · official · 2026-10-22
- csa-iot.org · official · 2026-10-22
Frequently asked questions
Does a Matter smoke or CO alarm work with Homey?
Homey pairs a Matter smoke or CO alarm and reports alarm state — a life-safety device where a confirmed trigger matters more than price. Med confidence, checked 2026-10-22. Homey can control a Matter smoke or CO alarm from its app, including alarm state (Med, checked 2026-10-22).
Can Homey start an automation from a Matter smoke or CO alarm?
Yes — a Matter smoke or CO alarm that is sounding can start a Homey automation, though the alarm must also stand alone. As an action, Homey cannot use a Matter smoke or CO alarm in an automation (Med, checked 2026-10-22).
What do I need to add a Matter smoke or CO alarm to Homey?
Homey needs a Matter controller before a Matter smoke or CO alarm will report.
Next steps
- All Homey answers for smoke and CO alarms, side by side — the full smoke or CO alarm matrix across every platform.
- Compare Homey with another platform — pairing, control, triggers and actions in one table.
- Check whether your setup will work — answer a few questions and get a verdict with caveats.
- Matter products of this type — tested products with their own notes and sources.
- Matter on Homey: every device type
- Smoke or CO alarm support guide
- All platforms compared
- How to check Matter certification
- Matter firmware updates on each platform
- How we check — evidence rules, confidence ratings and how often we re-check.
Other platforms for smoke and CO alarms
- Apple Home — supports pairing, control and automation triggers Med
- Google Home — supports pairing, control and automation triggers High
- Amazon Alexa — supports pairing, partial control and automation triggers Med
- SmartThings — supports pairing, control and automation triggers High
- Home Assistant — supports pairing, control and automation triggers High
- Hubitat — no confirmed support Med