The best HomeKit smoke and carbon monoxide detectors are vital to making your home safer — giving you important ways to monitor your environment. Smoke and CO2 detectors are one of those important devices that are often forgotten about until you realize your decade-old device probably isn't functioning as well as it should. Luckily, with some great ways of using them straight from the Apple Home App, you can do some smart things like turning off equipment or shutting down false alarms.
Now that Black Friday is just a few weeks away, we are approaching the absolute best time to pick up a brand-new smoke and carbon monoxide detector. Black Friday tends to see thousands of deals across hundreds of different areas so you may be able to kit out your entire home for cheap if that's what you're looking for.
Quick List
Best for connectivity
Battery operated: Yes
AirPlay 2: Yes
Dimensions: 7 x 7 x 2 inches
+ All-in-one device
+ Both smoke and carbon monoxide sensor
- Expensive
- Some users experience wireless issues
The OneLink Safe and Sound combines a smoke and carbon monoxide detector, AirPlay 2 speaker, customizable nightlight, and voice assistant with Alexa, all into one incredibly smart package. This hybrid HomeKit accessory connects to your existing wiring along your home's Wi-Fi, and its interconnect feature extends smart notification coverage to your smoke detectors.
Best for wireless systems
Battery operated: Yes
AirPlay 2: No
Dimensions: 5.88 x 5.88 x 1.57 inches
+ Battery operated
+ Simple connection
- Occasional false alarms
- Non-replaceable rechargeable batteries
This HomeKit-enabled smart detector from First Alert brings portability to the traditional safety monitoring form factor. First Alert's monitor runs solely on replaceable batteries for up to five years, allowing placement anywhere in your home without worrying about having existing wiring.
Best on a budget
Battery operated: Yes
AirPlay 2: No
Dimensions: 2 x 4.68 x 4.68 inches
+ Simple use
+ Easy to mount
- Requires a hub
- Only available in Europe
This smart solution from Bosch offers affordable smoke detection that installs in seconds thanks to a peel-and-stick design. There are a few downsides, though, as it is only available in Europe and requires a Bosch Smart Home Controller for HomeKit and Home app integration.
Best for hardwiring
Battery operated: Yes, battery backup
AirPlay 2: No
Dimensions: 5.88 x 5.88 x 1.57 inches
+ Wired connection
+ Works with other systems
- Harder to fit
- Not much less than the wireless version
Like its battery-powered counterpart, the OneLink Hardwired Smoke and Carbon Monoxide Detector brings smarts with a classic design. In case of emergency, this OneLink detector can send notifications directly through the Home app, and a built-in 10-year backup battery provides peace of mind even when the power goes out.
Best design
Battery operated: Yes
AirPlay 2: No
Dimensions: 4.5 x 4.5 x 1.7 inches
+ 10 year battery life
+ Simple to fit
- Expensive
- Not suitable for garages
Another European-only option is the Netatmo Smart Smoke Alarm which works right out of the box with HomeKit. In addition to Bluetooth Low Energy, Netatmo's detector supports Wi-Fi enabling timely notifications, and an 85-decibel siren ensures that everyone in the home is aware of all of the action.
Best for European residents
Battery operated: Yes
AirPlay 2: No
Dimensions: 7.1 x 7.1 x 4 inches
+ Replaceable batteries
+ Air quality monitoring
- Expensive
- Needs hub
Bosch's other European-only HomeKit smoke detector takes things up a notch by mixing in additional sensors for air quality, temperature, and humidity. With the Bosch app, you can view air quality trends and more, and of course, with HomeKit, you can create automation with other smart home accessories.
Q&A
Safety first with the best HomeKit smoke detectors for the Home app
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The best HomeKit smoke detectors for the Home app allow you to get notifications when a dangerous situation occurs and so much more. HomeKit smoke and CO detectors integrate with other accessories to automatically turn on your smart light bulbs when smoke is in the air, which can help guide you and your family to safety.
Are you looking for the absolute best HomeKit smoke detector for the Home app? Then look no further than the OneLink Safe and Sound. This feature-rich accessory includes an AirPlay 2 speaker, Amazon's Alexa, a customizable LED nightlight, and an interconnectivity function that extends its smart capabilities to all of your existing smoke and CO detectors.
Do you need to add a smoke and CO detector to a room without existing wiring? Then the OneLink Battery-Powered Smoke and CO Detector is your best bet. This unit looks like a typical smoke detector, but it comes with replaceable batteries that last up to five years and can mount just about anywhere. If you don't mind doing some hardwiring yourself, then the Hardwire version is also a great option.
Will the best HomeKit smoke and CO2 detectors get a Black Friday reduction?
Though we don't have confirmation one way or the other, lots of products go on sale over Black Friday so it's certainly possible. It is well worth checking over every one of our choices just in case they get a discount.
