Heiman HS1SA Series Smoke Alarm vs X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm comparison

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

2026 verdict

Between X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm and Heiman HS1SA Series Smoke Alarm, X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm is the better overall pick in 2026, leading on connectivity, sensors, and alerts. The comparison tilts its way because of connectivity, sensors, and alerts, with tests itself keeping it in front. Pick Heiman HS1SA Series Smoke Alarm only when price, integrations, and Built-in light are the deciding factor for your setup. Overall, X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm makes more sense for most people.

Heiman

Heiman HS1SA Series Smoke Alarm

5% OFF

£16.14

£16.99

Buy on Amazon UK

Winner

X-Sense

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm

$48.99

Buy on Official Store

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Feature	Heiman HS1SA Series Smoke Alarm	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm	Winner
Price	£16.14	$48.99	Heiman HS1SA Series Smoke Alarm
Connectivity	Zigbee	2.4 GHz WiFi, Other	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Integrations	Samsung SmartThings, Home Assistant	None	Heiman HS1SA Series Smoke Alarm
Sensors	Smoke	Smoke, CO	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Alerts	Fire Alerts, Low Battery Alerts	Fire Alerts, CO Alerts, Low Battery Alerts	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Built-in Light	YES	NO	Heiman HS1SA Series Smoke Alarm
Tests Itself	NO	YES	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Screen	NO	NO	Tie
Built-in Siren	YES	YES	Tie
Pathlight	NO	NO	Tie
Steam Check	NO	NO	Tie

Heiman

Heiman HS1SA Series Smoke Alarm

5% OFF

£16.14

£16.99

Buy on Amazon UK

+ Price: £16.14
+ Integrations: Samsung SmartThings, Home Assistant
+ Built-in Light: YES
- Connectivity: Zigbee vs 2.4 GHz WiFi, Other
- Sensors: Smoke vs Smoke, CO

Winner

X-Sense

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm

$48.99

Buy on Official Store

+ Connectivity: 2.4 GHz WiFi, Other
+ Sensors: Smoke, CO
+ Alerts: Fire Alerts, CO Alerts, Low Battery Alerts
- Price: $48.99 vs £16.14
- Integrations: None vs Samsung SmartThings, Home Assistant

Frequently Asked Questions

Which is better overall: Heiman HS1SA Series Smoke Alarm or X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm has the stronger overall profile in this comparison, especially for connectivity, sensors, and alerts.

What is the biggest difference between Heiman HS1SA Series Smoke Alarm and X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?

Price is one of the clearest differences: Heiman HS1SA Series Smoke Alarm lists £16.14, while X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm lists $48.99.

Which one looks better on price?

Heiman HS1SA Series Smoke Alarm is listed at £16.14, while X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm is listed at $48.99. Heiman HS1SA Series Smoke Alarm (better spec).

Who should buy Heiman HS1SA Series Smoke Alarm?

Choose Heiman HS1SA Series Smoke Alarm if your priority is price and integrations and that matters more than connectivity.

Who should buy X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?

Choose X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm if your priority is connectivity and sensors and that matters more than price.

Full comparison table

Compare all 19 Smoke & CO Detectors side by side

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