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5 Best Homekit Carbon Monoxide Detectors of 2026

Last Updated - 2026/04/05

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kidde

Kidde C3010D Worry-Free Carbon Monoxide Alarm with Digital Display and 10 Year Sealed Battery

Kidde

CA$72.99

More Details
Main highlights
- Test/Reset -Tests CO alarm circuit operation and allows you to immediately silence the alarm.
- Peak Level Memory - Displays the highest CO concentration measured since the last reset.
- LED Lights - Green for normal operation, Red for alarm, Amber for Error.
- Digital Display - Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds.
- 10-Year Sealed-in Lithium Batteries -Unit will continue to operate for 10 years. Alerts user to replace unit after 10 years of operation.
CA$72.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GasDoc

GasDoc DS-399 Carbon Monoxide Detector, 168H Standby, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue

GasDoc

CA$49.99

More Details
Main highlights
- What You Get: You will receive DS-399 Carbon Monoxide Detector, Type - C Cable, Lanyard, User Manual
- Powerful Rechargeable Battery: Featuring a powerful 1000mAh battery, this CO alarm is equipped with Type-C charging capability, ensuring minimal downtime. A full charge provides up to 168 hours of continuous use, making it a reliable choice for long trips and extended outdoor stays
- Easy to Carry: This handheld CO tester is designed to be extremely compact, roughly the size of your palm. Its small size makes it easy to carry, whether tucked in your pocket or attached to your luggage using the included lanyard. Its portability ensures that safety is always within reach during your travels
- Carbon Monoxide Detector: The DS-399 Portable Carbon Monoxide Detector can detect CO levels ranging from 0 to 1000 PPM. It also allows you to set custom alarm thresholds for even earlier detection, ensuring your safety. In addition, the CO meter monitors real-time temperature and humidity, providing you with accurate environmental data
- Audio-visual Alarm: The detector allows you to set custom CO alarm thresholds. When the gas concentration exceeds the set alarm threshold, the device emits an audible alarm, and the ring indicator light below the screen changes color based on the alert level. This dual alert system provides double protection for your safety
CA$49.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

First Alert

First Alert CO605A Carbon Monoxide Plug-In Alarm with Battery Backup

First Alert

CA$31.22

More Details
Main highlights
- Plug & protect, alarm plugs into any standard 120v ac outlet with no additional mounting
- Mute button silences unnecessary alarms. It also tests the alarm's function with same button
- Ez access battery door, front-open compartment allows easy battery change without dismounting alarm
- Electrochemical co sensorthe first alert carbon monoxide plug-in alarm
CA$31.22
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

First Alert

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert

CA$47.78

More Details
Main highlights
- Plug & Protect, alarm plugs into any standard 120V AC outlet with no additional mounting. Line cord allows for multiple installation options
- Mute button silences unnecessary alarms. It also tests alarm function with same button
- Ez view backlit digital display, easy viewing of danger levels, current, and peak CO levels in your home. Illuminates only when alarm sounds or a button is pressed
- Ez access battery door, front-open compartment allows easy battery change without dismounting alarm
- Battery backup, provides consistent protection for added safety during power outages
CA$47.78
5
Best Value
35% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

First Alert
35% Off

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm

First Alert

CA$41.09

CA$62.99
(35% Off)

More Details
Main highlights
- Photoelectric sensor detects smoke while minimizing false alarms
- Electrochemical CO sensor alerts you to carbon monoxide danger. Age 3 - 8 years
- Date on the alarm indicates when the alarm was manufactured.
- Combination smoke detector/carbon monoxide alarm detects two threats
- Battery-operated unit installs quickly and easily without an electrician
- A single button tests the unit or silences the alarm. Where to install - kitchen, living room, basement, bathrooms, hallway, indoors
CA$41.09
CA$62.99 (35% Off)

5 Best Homekit Carbon Monoxide Detectors of 2026

Kidde C3010D Worry-Free Carbon Monoxide Alarm with Digital Display and 10 Year Sealed Battery

GasDoc DS-399 Carbon Monoxide Detector, 168H Standby, Rechargeable 3-in-1 Portable CO Detector with Audible & Visual Alerts for Travel & Camping, CO Meter for Home, Car & Tent - Dark Blue

First Alert CO605A Carbon Monoxide Plug-In Alarm with Battery Backup

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm

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