Heiman HS1SA Series Smoke Alarm vs X-Sense Wi-Fi Carbon Monoxide Alarm

The X-Sense Wi-Fi Carbon Monoxide Alarm on rating and its display, but they detect different hazards. The Heiman HS1SA Series Smoke Alarm covers fire and adds SmartThings and Home Assistant integration.

No. The Heiman HS1SA Series Smoke Alarm detects smoke and fire. The X-Sense Wi-Fi Carbon Monoxide Alarm detects carbon monoxide. Neither can substitute for the other, and most homes with fuel-burning appliances need both.

The X-Sense Wi-Fi Carbon Monoxide Alarm displays the current CO reading, so you can see a low-level build-up before it reaches alarm threshold, which is useful when diagnosing a faulty appliance.

The Heiman HS1SA Series Smoke Alarm, which works with Samsung SmartThings and Home Assistant. The X-Sense Wi-Fi Carbon Monoxide Alarm lists no platform integrations, so it alerts through its own app.

If you have no smoke alarm at all, start there. If you already have working smoke alarms and any gas, oil or solid-fuel appliance, a carbon monoxide alarm is the more urgent addition.

Buyers who need fire detection that plugs into SmartThings or Home Assistant, so a smoke event can trigger lights, notifications or other automations.

Buyers with a boiler, gas hob, wood burner or attached garage who need carbon monoxide detection, and who value a display showing the current reading.