Heiman Smart Carbon Monoxide Detectors, Matter CO Detector
Heiman Smart Carbon Monoxide Detectors, Matter CO Detector, Real-time Notification, UL 2034 5th Certified, Wireless Battery Powered Mini Fire Alarm for Home, Compatible with Smartthings,Home Assista
- Trusted Protection, Recognized Excellence — UL 2034 (5th Ed.) Certified and CSFM Approved for dependable residential CO safety. This co detector, is the Winner of the Red Dot Design Award, delivering reliable performance in a sleek, modern form.
- Smart CO Protection with Matter (Thread, Not Wi-Fi) — Stay protected with next-generation carbon monoxide detection. Built with Matter over Thread, this carbon monoxide detector is compatible with Apple Home, SmartThings, Home Assistant, Google Home, and Alexa. A compatible Matter hub with Thread Border Router is required for smart connectivity (not included).
- Real-Time Mobile Alerts Anywhere — Receive instant carbon monoxide alerts on your smartphone through your smart home app, such as SmartThings or Home Assistant, ensuring you’re always informed about carbon monoxide detector status. Stay informed whether you’re at work or traveling. Remote alerts require a compatible Matter hub with Thread Border Router and an active internet connection.
- Automate Your Safety — When CO is detected, this co detector can trigger smart home actions such as turning on lights, activating exhaust fans, or creating custom emergency scenes for added protection, making your carbon monoxide detector even more versatile.
- Japan-Made FIGARO TGS5141 Sensor — Equipped with a premium FIGARO (Japan) TGS5141 electrochemical CO sensor, this carbon monoxide alarm is engineered for up to 10 years of long-term stability and dependable performance. Unlike low-cost semiconductor sensors that may be affected by humidity, temperature fluctuations, this advanced electrochemical design with solid-state electrolyte technology helps minimize nuisance alarms while maintaining consistent detection sensitivity for your co detector.
- Long-Lasting Power & Flame-Retardant Housing — Includes a CR123A lithium battery for up to 5-year runtime, delivering reliable protection from your carbon monoxide detector even during power outages. UL94 V-0 flame-retardant ABS+PC housing adds heat resistance and long-term durability, , perfect for both home and travel use.
- Easy to Install & One-Touch Control — No wiring needed. This portable co detector can be mounted with screws or included magnetic adhesive pads for a quick, damage-free setup — perfect for apartments and rentals. Test/Silence button lets you run quick checks and temporarily hushes nuisance alarms (4 minutes) or low-battery chirps (up to 12 hours).
- Compact Protection for Home & Travel — Sleek, space-saving design makes this portable carbon monoxide detector fits effortlessly into houses, apartments, and RVs without taking up valuable space.Ideal for homes, apartments, bedrooms, living rooms, basements, garages, offices, RVs, campers, motorhomes, and travel use, providing reliable carbon monoxide monitoring wherever life takes you — at home or on the road.
From the brand
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Heiman Security Item
| SKU: | B0G135MZJY |
| Weight: | 4.8 ounces |
| Brand: | HEIMAN |
| Model: | C1-M |
| Colour: | White |
| Pack Quantity: | 1 |
| Manufacture: | Shenzhen Heiman Technology Co., Ltd. |
| Colour: | White |
| Quantity: | 1 |
From the brand
Quiet check near the hallway ligh
Back of the unit twists into place while standing near the hallway outlet, then it’s pressed flat against the wall pad without needing to line anything up twice. A quick press on the front button gives that short confirmation chirp, not loud enough to startle but enough to know it’s active, and after that it mostly just sits there unnoticed. I found myself glancing at it once or twice the first evening, then less as it blended into the wall. Later on, the app alert shows up during a quick test, phone buzzing while I’m in another room, which feels reassuring in a quiet way. The size is smaller than expected, so it doesn’t draw attention, though the first setup with the hub took a minute to figure out since it doesn’t connect like typical Wi-Fi devices. Once that part was done, it’s just there in the background, unchanged, a small round piece on the wall that you stop thinking about after passing by a few times.
Must have or purchase a "Thread Border Router" to use
This CO2 detector comes in a really small package which is nice. It also has a great 3M mounting system where you stick a plate with magnets on the wall and then a metal disk on the unit itself. This makes it easy to take it down off the wall if you need to quiet it, replace it, or in my case, to paint! The alarm itself is plenty loud. The problem for me is when I tried to set it up to activate the “Smart” feature, I found out that it only works if you have a “Thread Border Router”. I feel like the listing should say that you are going to have to buy another piece of electronics to make this work. Why it doesn’t hook up to your wifi network like everything else, I don’t know. So 1 star off for that as I am stuck using it as an expensive “dumb” Carbon Monoxide Detector instead of connected to an app on my phone via wifi. So overall its probably really good, but I cannot test it as I am not going to invest in a whole other network just so it can notify my phone.
Smart detector that works with Home Assista
I have had CO detectors in every home. We’re any of them able to detect CO? I don’t know and hope I never know. What I can say is that integration with Home Assistant was simple and I love that if that day ever comes, I will know exactly what room even if I am not at home. I should also mention that I loved that there are multiple mounting options in the box. Quality product that I would buy again.
Compact Design with Strong Performance
I really appreciate the small, compact design of this carbon monoxide detector. It doesn’t take up much space and blends seamlessly into the room’s environment without looking out of place. Despite its small size, it features solid craftsmanship and feels sturdy and durable in the hand. I have used it both in my home and in my RV, and it has performed consistently and reliably across these different environments.
Its battery-powered design is incredibly convenient, meaning I never have to worry about power outages. It operates continuously and without interruption—a critical feature for any safety device. The alarm is loud enough to grab your attention, yet during everyday use, it isn’t overly sensitive to the point of triggering false alarms. It only sounds the alert when truly necessary, thereby effectively avoiding unnecessary disturbances. After using it, I can confidently say that this is a truly trustworthy product. It is portable, easy to install and set up, and its performance meets every expectation.
smart home co detection setup
I live in a home where the kitchen sits close to the living room, so cooking smoke and gas stove use has always been a concern during daily meals. After setting up this detector, I do not keep checking it, yet the status light shows it stays online all the time. When frying or baking creates more smoke, it responds in a calm way without sudden alerts, which feels more stable than my older alarm that often reacted too easily in the kitchen. It connects with my home system through Matter over Thread, so if an abnormal situation happens it can trigger lights and send messages across devices. This type of response across rooms helps me react faster during unusual situations in the home. During different cooking methods like boiling frying and grilling it keeps a steady response without reacting too easily. Placement in the hallway near the kitchen entrance works well in my layout, and the indicator remains easy to read from a distance. It feels well suited to everyday kitchen activity and provides consistent awareness across the home without needing attention.
easy setup and works in tight spaces
On a recent RV trip, I used this carbon monoxide detector inside the small living space where meals are prepared and rest happens. The limited space makes air conditions more noticeable, so having continuous monitoring in the background feels important without adding distraction to daily movement inside the RV. While preparing simple meals on a gas stove, the detector stayed firmly in place with the magnetic attachment and did not require any adjustment. The Matter over Thread connection allowed it to link with my smart home hub, and I could view status updates on my phone whether I was inside the RV or walking a short distance outside. This was useful at different campsites where surroundings and ventilation conditions change from place to place. At night, the RV stays quiet and enclosed, and the device continues working without drawing attention. The electrochemical sensor runs steadily in the background while the heater operates for longer periods in colder weather. Seeing real time updates on the phone helped me understand what was happening inside the space even when I was resting outside the vehicle.
Worked with Home Assistant / Matter, simple to set up
Bought one, worked fine, bought a second, it added in just as easy via Matter with Home Assistant. I scripted so HA will announce testing or detection loudly over speakers. All good, simple, fast to set up, fast to respond to events (1-3 seconds).