Heiman Carbon Monoxide Detectors, Matter Portable CO Detector Battery Powered, UL 2034 5th Certified, Smart Wireless Mini CO…
HEIMAN
Best for
Best for Matter smart home integration
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 3 trusted sources
Current price
$49.98
Updated May 18, 2026 · 1 min read
Sources behind this verdict
11 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, this is the standout pick if you live in a Home Assistant, SmartThings or Matter-first household. A scraped nytimes.com piece on travel CO detectors sits in the signals as a high-trust reference point, and longstanding r/smarthome and r/homeassistant review threads on the Heiman HS1CA-E lineage describe the Japanese Figaro electrochemical sensor as 'a CO detector you can trust' and 'ahead of common AliExpress smart home products in terms of quality.' The specialist-community caveats are honest. r/MatterProtocol's launch thread points out that the Matter variant costs more than double Heiman's regular Zigbee CO sensor (around $23 after coupon vs.
What reviewers liked
- Matter-over-Thread support for SmartThings and Home Assistant integration
- UL 2034 5th Edition certified with Japanese Figaro electrochemical sensor
- r/smarthome and r/homeassistant long-form reviews praise the Heiman sensor lineage
- Battery-powered portable form factor works in rentals and RVs
- Real-time push notifications via Matter-compatible hubs
Where it falls short
- r/MatterProtocol notes it's more than double the price of the Zigbee Heiman equivalent
- Thin retailer-review volume (Amazon 4.6/20) limits real-world signal
- Battery-only means no power-outage continuity beyond cell life
- Setup assumes you already have a Matter controller, not friendly for novices
- Specialist-community consensus warns life-safety Matter support is still early
Across the reviewers we read, this is the standout pick if you live in a Home Assistant, SmartThings or Matter-first household. A scraped nytimes.com piece on travel CO detectors sits in the signals as a high-trust reference point, and longstanding r/smarthome and r/homeassistant review threads on the Heiman HS1CA-E lineage describe the Japanese Figaro electrochemical sensor as 'a CO detector you can trust' and 'ahead of common AliExpress smart home products in terms of quality.'
The specialist-community caveats are honest. r/MatterProtocol's launch thread points out that the Matter variant costs more than double Heiman's regular Zigbee CO sensor (around $23 after coupon vs. roughly $50 here), and notes that life-safety devices have been the slowest category to embrace Matter. r/Firefighting commenters in adjacent threads also remind buyers that a portable, battery-only unit is a supplement to, not a replacement for, code-required mains-powered detectors in many jurisdictions.
Amazon's 4.6 average across only 20 reviews is positive but thin, so the verdict leans on the trust-weighted community signal rather than retailer volume.
- Trusted Protection, Recognized Excellence — UL 2034 (5th Ed.) Certified & ETL Listed 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. After connecting via Matter, you can real-time view CO concentration directly on your phone with a detection range of 0 to 600ppm. 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.
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Matter-enabled CO detector from Heiman ... Unfortunately, it's more than double the price of their regular CO detector at $23 after coupon ...
This is my review of the Heiman Carbon Monoxide Sensor HS1CA-E. Comes in Zigbee/Z-Wave/Standalone version, relying on a Japanese made Carbon ...
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“See how to keep your family safe while traveling! Heiman Carbon ...” · YouTube
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