Winner
Data from Amazon and official Heiman and X-Sense sites.
2026 verdict
Heiman Matter Smoke Detector S1-TM wins the 2026 matchup against X-Sense SC07-MR Smart Smoke & CO Alarm, mainly on rating, integrations, and sensors.
The main reason it wins is rating, integrations, and sensors, and tests itself and steam check strengthen that case. X-Sense SC07-MR Smart Smoke & CO Alarm can still be the right pick, but only if battery life, connectivity, and screen outweigh the wider strengths of Heiman Matter Smoke Detector S1-TM. For the average buyer, Heiman Matter Smoke Detector S1-TM is the safer choice.
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| Feature | Heiman Matter Smoke Detector S1-TM | X-Sense SC07-MR Smart Smoke & CO Alarm | Winner |
|---|---|---|---|
| Rating | 5.0 | 4.6 | Heiman Matter Smoke Detector S1-TM |
| Battery Life | 3.5 years | 5 years | X-Sense SC07-MR Smart Smoke & CO Alarm |
| Connectivity | Thread Protocol | 2.4 GHz WiFi, Other | X-Sense SC07-MR Smart Smoke & CO Alarm |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Home Assistant | Heiman Matter Smoke Detector S1-TM |
| Screen | NO | YES | X-Sense SC07-MR Smart Smoke & CO Alarm |
| Sensors | Smoke, Temperature, Humidity | Smoke, CO | Heiman Matter Smoke Detector S1-TM |
| Alerts | Fire Alerts, Low Battery Alerts | Fire Alerts, CO Alerts, Low Battery Alerts | X-Sense SC07-MR Smart Smoke & CO Alarm |
| Tests Itself | YES | NO | Heiman Matter Smoke Detector S1-TM |
| Steam Check | YES | NO | Heiman Matter Smoke Detector S1-TM |
| Built-in Siren | YES | YES | Tie |
| Built-in Light | NO | NO | Tie |
| Pathlight | NO | NO | Tie |
Winner
- + Rating: 5.0
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Sensors: Smoke, Temperature, Humidity
- - Battery Life: 3.5 years vs 5 years
- - Connectivity: Thread Protocol vs 2.4 GHz WiFi, Other
Price unavailable right now
- + Battery Life: 5 years
- + Connectivity: 2.4 GHz WiFi, Other
- + Screen: YES
- - Rating: 4.6 vs 5.0
- - Integrations: Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: Heiman Matter Smoke Detector S1-TM or X-Sense SC07-MR Smart Smoke & CO Alarm?
Heiman Matter Smoke Detector S1-TM has the stronger overall profile in this comparison, especially for rating, integrations, and sensors.
What is the biggest difference between Heiman Matter Smoke Detector S1-TM and X-Sense SC07-MR Smart Smoke & CO Alarm?
Rating is one of the clearest differences: Heiman Matter Smoke Detector S1-TM lists 5.0, while X-Sense SC07-MR Smart Smoke & CO Alarm lists 4.6.
Who should buy Heiman Matter Smoke Detector S1-TM?
Choose Heiman Matter Smoke Detector S1-TM if your priority is rating and integrations and that matters more than battery life.
Who should buy X-Sense SC07-MR Smart Smoke & CO Alarm?
Choose X-Sense SC07-MR Smart Smoke & CO Alarm if your priority is battery life and connectivity and that matters more than rating.
Full comparison table
Compare all 24 Smoke & CO Detectors side by side
You are looking at two of them. The full table lines up all Smoke & CO Detectors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 24 Smoke & CO Detectors
- 44 specs compared
- 41 filters
YoLinkPhotoelectric Smoke Alarm
$49.99- Heiman
Matter Smoke Detector S1-TM
$49.98 
X-SenseWi-Fi CO Alarm
X-SenseSC07-MR Smart Smoke & CO Alarm
HeimanHS1SA Series Smoke Alarm
5% OFF£16.99£16.14
X-SenseWiFi Smoke & CO Detector
X-SenseWi-Fi Smoke Alarm
GoogleNest Protect (Battery)
$406.99
GoogleNest Protect (Wired)
$449.99
ShellySmoke Alarm
25% OFF€53.43€39.95
X-SenseXC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
AqaraSmart Smoke Detector
16% OFF€44.99€37.99
KiddeSmart Smoke & CO Detector with Ring
$69.97
HeimanInterconnected Smoke Alarm S1-R
$25.99
HeimanInterconnected CO Alarm C1-R
10% OFF$29.98$26.99
First AlertSC5 Battery Smart Smoke & CO Alarm
HeimanSmart CO Alarm
20% OFF$59.99$47.99
HeimanMatter Smoke Detector S1-M
$39.99
First AlertSMCO410 Smoke Detector & CO Alarm
$64.98
KiddeSmart Smoke + Indoor Air Quality Alarm
$106.56
Door & Window SensorsHeimanWindow Door Alarm
4.0(148)$19.98
Gas DetectorsHeimanHS1CG Series Combustible Gas Sensor
Gas DetectorsHeimanWS2CG Series Combustible Gas Detector
Motion SensorsHeimanSmart Motion Sensor
3.2(32)$23.99
Motion SensorsHeimanWiFi Smart Motion Sensor
2.8(43)$12.98
SirensHeimanSmart Siren HS2WD series
$79.99- Smoke & CO DetectorsHeiman
HS1SA Series Smoke Alarm
4.5(5,145)5% OFF£16.99£16.14 - Smoke & CO DetectorsHeiman
Interconnected CO Alarm C1-R
4.0(24)10% OFF$29.98$26.99 - Smoke & CO DetectorsHeiman
Interconnected Smoke Alarm S1-R
4.2(204)$25.99 - Smoke & CO DetectorsHeiman
Matter Smoke Detector S1-M
3.6(77)$39.99 - Smoke & CO DetectorsHeiman
Matter Smoke Detector S1-TM
5.0(4)$49.98 - Smoke & CO DetectorsHeiman
Smart CO Alarm
3.7(21)20% OFF$59.99$47.99 
Vibration SensorsHeimanSmart Vibration Sensor HS1VS series
$14.90
Water Leak SensorsHeimanSmart Water Leakage Sensor
4.2(40)20% OFF$19.99$15.99
Air Quality MonitorsX-SenseXR0A-iR Wi-Fi Radon Detector
4.4(23)$99.99
HubsX-SenseSBS50 Base Station
4.5(108)$29.99
Motion SensorsX-SenseSolar Outdoor Spotlight - Motion-Sensor
4.2(53)9% OFF$64.99$58.89- Smoke & CO DetectorsX-Sense
SC07-MR Smart Smoke & CO Alarm
4.6(692) 
Smoke & CO DetectorsX-SenseSD19-MN Interconnected Smart Smoke Alarm
33% OFF$32.99$21.99- Smoke & CO DetectorsX-Sense
Wi-Fi CO Alarm
4.6(1,477) - Smoke & CO DetectorsX-Sense
Wi-Fi Smoke Alarm
4.5(392) - Smoke & CO DetectorsX-Sense
WiFi Smoke & CO Detector
4.5(4,336) - Smoke & CO DetectorsX-Sense
XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
4.4(140) 
Smoke & CO DetectorsX-SenseXP0J-iA Smart Hardwired Smoke & CO Alarm
$48.99
Temperature & Humidity SensorsX-SenseSmart WiFi Indoor Thermometer
4.5(161)23% OFF$14.99$11.59
Temperature & Humidity SensorsX-SenseSTH0B Smart Thermometer Hygrometer
4.5(161)6% OFF$12.34$11.59
Water Leak SensorsX-Sense2-in-1 Wi-Fi Water Leak & Freeze Detector
3.0(102)17% OFF$17.99$14.99
Water Leak SensorsX-SenseWi-Fi Water Leak Detector
4.6(2,232)25% OFF$15.99$11.99