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Smoke & CO Detectors · Head to head

Heiman Interconnected Smoke Alarm S1-R vs X-Sense WiFi Smoke & CO Detector

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official Heiman and X-Sense sites.
2026 verdict
Across the 2026 comparison, X-Sense WiFi Smoke & CO Detector earns the nod over Heiman Interconnected Smoke Alarm S1-R on the strength of rating, screen, and sensors.
X-Sense WiFi Smoke & CO Detector
Winner
X-Sense WiFi Smoke & CO Detector
Buy on Amazon UKCheck price
It builds its lead on rating, screen, and sensors, then backs it up with a stronger showing on alerts and Built-in light. Heiman Interconnected Smoke Alarm S1-R remains a niche alternative if connectivity, integrations, and tests itself matter more than the rest of the comparison. That makes X-Sense WiFi Smoke & CO Detector the clearer recommendation in 2026.
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FeatureHeiman Interconnected Smoke Alarm S1-RX-Sense WiFi Smoke & CO DetectorWinner
Rating4.24.5X-Sense WiFi Smoke & CO Detector
Connectivity2.4 GHz WiFi, Other2.4 GHz WiFiHeiman Interconnected Smoke Alarm S1-R
IntegrationsGoogle Home, Samsung SmartThings, Home AssistantHome AssistantHeiman Interconnected Smoke Alarm S1-R
ScreenNOYESX-Sense WiFi Smoke & CO Detector
SensorsSmokeSmoke, COX-Sense WiFi Smoke & CO Detector
AlertsFire Alerts, Low Battery AlertsFire Alerts, CO Alerts, Low Battery AlertsX-Sense WiFi Smoke & CO Detector
Built-in LightNOYESX-Sense WiFi Smoke & CO Detector
Tests ItselfYESNOHeiman Interconnected Smoke Alarm S1-R
Steam CheckYESNOHeiman Interconnected Smoke Alarm S1-R
Built-in SirenYESYESTie
PathlightNONOTie

Frequently Asked Questions

Which is better overall: Heiman Interconnected Smoke Alarm S1-R or X-Sense WiFi Smoke & CO Detector?

X-Sense WiFi Smoke & CO Detector has the stronger overall profile in this comparison, especially for rating, screen, and sensors.

What is the biggest difference between Heiman Interconnected Smoke Alarm S1-R and X-Sense WiFi Smoke & CO Detector?

Rating is one of the clearest differences: Heiman Interconnected Smoke Alarm S1-R lists 4.2, while X-Sense WiFi Smoke & CO Detector lists 4.5.

Who should buy Heiman Interconnected Smoke Alarm S1-R?

Choose Heiman Interconnected Smoke Alarm S1-R if your priority is connectivity and integrations and that matters more than rating.

Who should buy X-Sense WiFi Smoke & CO Detector?

Choose X-Sense WiFi Smoke & CO Detector 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

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
Open the full comparison
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