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Smoke & CO Detectors · Head to head

Heiman Interconnected CO Alarm C1-R vs X-Sense Wi-Fi Carbon Monoxide Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official Heiman and X-Sense sites.
2026 verdict
Heiman Interconnected CO Alarm C1-R beats X-Sense Wi-Fi Carbon Monoxide Alarm in 2026, with its clearest edge on connectivity, integrations, and tests itself.
Heiman Interconnected CO Alarm C1-R
Winner
Heiman Interconnected CO Alarm C1-R
$26.99$29.9810% OFF
Buy on Amazon USACheck price
It has the clearer edge on connectivity, integrations, and tests itself, and it stays ahead on its broader overall balance. Choose X-Sense Wi-Fi Carbon Monoxide Alarm only if rating, screen, and Built-in light matter more to you than the broader advantage from Heiman Interconnected CO Alarm C1-R. For most setups, Heiman Interconnected CO Alarm C1-R is the smarter buy.
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FeatureHeiman Interconnected CO Alarm C1-RX-Sense Wi-Fi Carbon Monoxide AlarmWinner
Rating4.04.6X-Sense Wi-Fi Carbon Monoxide Alarm
Connectivity2.4 GHz WiFi, Other2.4 GHz WiFiHeiman Interconnected CO Alarm C1-R
IntegrationsGoogle Home, Samsung SmartThings, Home AssistantHome AssistantHeiman Interconnected CO Alarm C1-R
ScreenNOYESX-Sense Wi-Fi Carbon Monoxide Alarm
Built-in LightNOYESX-Sense Wi-Fi Carbon Monoxide Alarm
Tests ItselfYESNOHeiman Interconnected CO Alarm C1-R
SensorsCOCOTie
AlertsCO Alerts, Low Battery AlertsCO Alerts, Low Battery AlertsTie
Built-in SirenYESYESTie
PathlightNONOTie
Steam CheckNONOTie

Frequently Asked Questions

Which is better overall: Heiman Interconnected CO Alarm C1-R or X-Sense Wi-Fi Carbon Monoxide Alarm?

Heiman Interconnected CO Alarm C1-R has the stronger overall profile in this comparison, especially for connectivity, integrations, and tests itself.

What is the biggest difference between Heiman Interconnected CO Alarm C1-R and X-Sense Wi-Fi Carbon Monoxide Alarm?

Rating is one of the clearest differences: Heiman Interconnected CO Alarm C1-R lists 4.0, while X-Sense Wi-Fi Carbon Monoxide Alarm lists 4.6.

Who should buy Heiman Interconnected CO Alarm C1-R?

Choose Heiman Interconnected CO Alarm C1-R if your priority is connectivity and integrations and that matters more than rating.

Who should buy X-Sense Wi-Fi Carbon Monoxide Alarm?

Choose X-Sense Wi-Fi Carbon Monoxide Alarm if your priority is rating and screen and that matters more than connectivity.

Full comparison table

Compare all 24 Smoke & CO Detectors side by side

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  • 24 Smoke & CO Detectors
  • 44 specs compared
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