Data from Amazon and official Heiman and X-Sense sites.
2026 verdict
For 2026, X-Sense Wifi Smoke & CO Detector is the stronger overall choice. What pushes it ahead is rating, screen, and sensors, and alerts keeps the advantage from looking narrow. You should still consider Heiman HS1SA Series Smoke Alarm if price and integrations matters more than raw overall balance. That makes X-Sense Wifi Smoke & CO Detector the clearer recommendation in 2026.
| Feature | Heiman HS1SA Series Smoke Alarm | X-Sense Wifi Smoke & CO Detector | Winner |
|---|---|---|---|
| Price | £16.14 | €33.58 | Heiman HS1SA Series Smoke Alarm |
| Rating | 4.4 | 4.5 | X-Sense Wifi Smoke & CO Detector |
| Integrations | Home Assistant | None | Heiman HS1SA Series Smoke Alarm |
| Screen | NO | YES | X-Sense Wifi Smoke & CO Detector |
| Sensors | Smoke | Smoke, CO | X-Sense Wifi Smoke & CO Detector |
| Alerts | Fire Alerts, Low Battery Alerts | Fire Alerts, CO Alerts, Low Battery Alerts | X-Sense Wifi Smoke & CO Detector |
| Connectivity | Zigbee | 2.4 GHz Wifi | 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 |
5% OFF
£16.99
£16.14
- + Price: £16.14
- + Integrations: Home Assistant
- - Rating: 4.4 vs 4.5
- - Screen: NO vs YES
Winner
16% OFF
€39.99
€33.58
- + Rating: 4.5
- + Screen: YES
- + Sensors: Smoke, CO
- - Price: €33.58 vs £16.14
- - Integrations: None vs Home Assistant
Frequently Asked Questions (FAQ)
- Which is better overall: Heiman HS1SA Series Smoke Alarm 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 HS1SA Series Smoke Alarm and X-Sense Wifi Smoke & CO Detector?
- Price is one of the clearest differences: Heiman HS1SA Series Smoke Alarm lists £16.14, while X-Sense Wifi Smoke & CO Detector lists €33.58.
- Which one looks better on price?
- Heiman HS1SA Series Smoke Alarm is listed at £16.14, while X-Sense Wifi Smoke & CO Detector is listed at €33.58. 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 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 price.
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