Winner
Updated October 2026
Data from the official Heiman and X-Sense sites.
2026 verdict
Heiman HS1SA-E Zigbee Smoke Alarm wins the 2026 matchup against X-Sense SD19-MN Interconnected Smart Smoke Alarm, mainly on rating, integrations, and Built-in light.
The comparison tilts its way because of rating, integrations, and Built-in light, with local control keeping it in front. Choose X-Sense SD19-MN Interconnected Smart Smoke Alarm only if price, battery life, and connectivity matter more to you than the broader advantage from Heiman HS1SA-E Zigbee Smoke Alarm. For most setups, Heiman HS1SA-E Zigbee Smoke Alarm is the smarter buy.
Works with
Connectivity
vs
16% OFF
£21.83
£25.99
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Heiman HS1SA-E Zigbee Smoke Alarm | X-Sense SD19-MN Interconnected Smart Smoke Alarm | Winner |
|---|---|---|---|
| Price | £32.99 | £21.83 | X-Sense SD19-MN Interconnected Smart Smoke Alarm |
| Rating | 4.6 | 4.4 | Heiman HS1SA-E Zigbee Smoke Alarm |
| Battery Life | 5 years | 10 years | X-Sense SD19-MN Interconnected Smart Smoke Alarm |
| Connectivity | Zigbee | 2.4 GHz WiFi, Other | X-Sense SD19-MN Interconnected Smart Smoke Alarm |
| Integrations | Samsung SmartThings, Home Assistant | Home Assistant | Heiman HS1SA-E Zigbee Smoke Alarm |
| Built-in Light | YES | NO | Heiman HS1SA-E Zigbee Smoke Alarm |
| Local Control | YES | Partially | Heiman HS1SA-E Zigbee Smoke Alarm |
| 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 |
| Pathlight | NO | NO | Tie |
Winner
£32.99
- + Rating: 4.6
- + Integrations: Samsung SmartThings, Home Assistant
- + Built-in Light: YES
- - Price: £32.99 vs £21.83
- - Battery Life: 5 years vs 10 years
16% OFF
£21.83
£25.99
- + Price: £21.83
- + Battery Life: 10 years
- + Connectivity: 2.4 GHz WiFi, Other
- - Rating: 4.4 vs 4.6
- - Integrations: Home Assistant vs Samsung SmartThings, Home Assistant
Frequently Asked Questions
Which is better overall: Heiman HS1SA-E Zigbee Smoke Alarm or X-Sense SD19-MN Interconnected Smart Smoke Alarm?
Heiman HS1SA-E Zigbee Smoke Alarm has the stronger overall profile in this comparison, especially for rating, integrations, and Built-in light.
What is the biggest difference between Heiman HS1SA-E Zigbee Smoke Alarm and X-Sense SD19-MN Interconnected Smart Smoke Alarm?
Price is one of the clearest differences: Heiman HS1SA-E Zigbee Smoke Alarm lists £32.99, while X-Sense SD19-MN Interconnected Smart Smoke Alarm lists £21.83.
Which one looks better on price?
Heiman HS1SA-E Zigbee Smoke Alarm is listed at £32.99, while X-Sense SD19-MN Interconnected Smart Smoke Alarm is listed at £21.83. X-Sense SD19-MN Interconnected Smart Smoke Alarm (better spec).
Who should buy Heiman HS1SA-E Zigbee Smoke Alarm?
Choose Heiman HS1SA-E Zigbee Smoke Alarm if your priority is rating and integrations and that matters more than price.
Who should buy X-Sense SD19-MN Interconnected Smart Smoke Alarm?
Choose X-Sense SD19-MN Interconnected Smart Smoke Alarm if your priority is price and battery life and that matters more than rating.
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