Heiman HS1SA Series Smoke Alarm vs X-Sense Wi-Fi Smoke Alarm comparison

Data from Amazon and official Heiman and X-Sense sites.

2026 verdict

Two compact smoke-only alarms, and the Heiman HS1SA Series Smoke Alarm is the stronger pick, carrying a higher owner rating and the smart home integrations the X-Sense lacks. Neither senses carbon monoxide, and both are rated for a 10-year battery life, but the Heiman connects to SmartThings and Home Assistant over Zigbee, while the X-Sense Wi-Fi Smoke Alarm stays inside its own app with no platform links. The X-Sense is far from a bad alarm: it offers a longer 5-year warranty and a hub-free WiFi setup that sends smoke alerts straight to your phone without any bridge. Choose the Heiman HS1SA Series Smoke Alarm for the better-rated, Zigbee-ready discreet alarm; choose the X-Sense Wi-Fi Smoke Alarm if you would rather have simple WiFi phone alerts and a longer warranty with no hub involved.

Winner

Heiman

Heiman HS1SA Series Smoke Alarm

5% OFF

£16.14

£16.99

Buy on Amazon United Kingdom

X-Sense

X-Sense Wi-Fi Smoke Alarm

Price unavailable right now

Buy on Amazon Italy

Feature	Heiman HS1SA Series Smoke Alarm	X-Sense Wi-Fi Smoke Alarm	Winner
Rating	4.5	4.2	Heiman HS1SA Series Smoke Alarm
Integrations	Samsung SmartThings, Home Assistant	None	Heiman HS1SA Series Smoke Alarm
Battery Life	10 years	10 years	Tie
Connectivity	Zigbee	2.4 GHz WiFi	Tie
Screen	NO	NO	Tie
Sensors	Smoke	Smoke	Tie
Alerts	Fire Alerts, Low Battery Alerts	Fire Alerts, Low Battery Alerts	Tie
Built-in Siren	YES	YES	Tie
Built-in Light	YES	YES	Tie
Tests Itself	NO	NO	Tie
Pathlight	NO	NO	Tie
Steam Check	NO	NO	Tie

Winner

Heiman

Heiman HS1SA Series Smoke Alarm

5% OFF

£16.14

£16.99

Buy on Amazon United Kingdom

+ Rating: 4.5
+ Integrations: Samsung SmartThings, Home Assistant

X-Sense

X-Sense Wi-Fi Smoke Alarm

Price unavailable right now

Buy on Amazon Italy

- Rating: 4.2 vs 4.5
- Integrations: None vs Samsung SmartThings, Home Assistant

Frequently Asked Questions

Is the Heiman HS1SA Series Smoke Alarm or the X-Sense Wi-Fi Smoke Alarm better?

The Heiman HS1SA Series Smoke Alarm is the better overall pick, with a higher owner rating and smart home integrations the X-Sense Wi-Fi Smoke Alarm does not offer. Both are smoke-only with a 10-year battery rating, so the Heiman's edge is in ratings and connectivity.

What is the main difference between these two smoke alarms?

How they connect. The Heiman HS1SA Series Smoke Alarm is a Zigbee device that links to SmartThings and Home Assistant through a hub, while the X-Sense Wi-Fi Smoke Alarm connects over WiFi to its own app with no smart home platform support.

Do these alarms detect carbon monoxide?

No. Both the Heiman HS1SA Series Smoke Alarm and the X-Sense Wi-Fi Smoke Alarm are smoke-only, so each needs a separate CO detector if you want carbon monoxide coverage as well.

How do warranty and setup differ?

The X-Sense Wi-Fi Smoke Alarm carries a longer 5-year warranty and sets up over WiFi with no hub, whereas the Heiman HS1SA Series Smoke Alarm needs a Zigbee hub to unlock its smart features but mounts easily with screws or an adhesive pad.

Who should buy the Heiman HS1SA Series Smoke Alarm?

Buy the Heiman HS1SA Series Smoke Alarm if you want a well-rated, discreet standalone smoke alarm that can also feed a Zigbee smart home through a SmartThings or Home Assistant hub.

Who should buy the X-Sense Wi-Fi Smoke Alarm?

Buy the X-Sense Wi-Fi Smoke Alarm if you prefer hub-free WiFi phone alerts and a longer 5-year warranty, and you do not need smart home platform integration or carbon monoxide detection.

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