Kidde Smart Smoke and CO Alarm
By Ethan Halfhide · Updated
Hardwired combination smoke and CO alarm
Kidde Smart Smoke and CO Alarm
About
Combination detection with hardwired and battery options and straightforward app alerts. A sensible replacement for existing hardwired Kidde units.
Pros
- +Smoke and CO detection
- +Drop-in hardwired replacement
- +No subscription
Cons
- −App is basic
- −Hardwiring needs an electrician
How it compares
| Device | Price | Ecosystems | Matter | Hub required | Local control |
|---|---|---|---|---|---|
| Kidde Smart Smoke and CO Alarm | $60 | Alexa, Google Home | No | No | No |
| Ring Alarm Smoke and CO Listener | $35 | Alexa | No | Yes | No |
| Google Nest Protect | $149 | Google Home | No | No | No |
| SimpliSafe Smoke Detector | $35 | Alexa, Google Home | No | Yes | No |
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About the author
Ethan Halfhide: Ethan Halfhide is a smart home enthusiast and AI technologist who follows the connected home market closely, from smart locks and security cameras to robot vacuums, lighting, sensors and hubs. He curates HomeGearLab's device directory, comparing products on published specs, compatibility, setup requirements and price so readers can pick gear that fits their home and works together.