Updated October 2026
Data from the official Heiman and X-Sense sites.
2026 verdict
Between X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm and Heiman HS1SA-E Zigbee 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-E Zigbee 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.
Works with
Connectivity
vs
Winner
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Heiman HS1SA-E Zigbee Smoke Alarm | X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm | Winner |
|---|---|---|---|
| Price | £32.99 | $48.99 | Heiman HS1SA-E Zigbee 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-E Zigbee 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-E Zigbee 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 |
£32.99
- + Price: £32.99
- + Integrations: Samsung SmartThings, Home Assistant
- + Built-in Light: YES
- - Connectivity: Zigbee vs 2.4 GHz WiFi, Other
- - Sensors: Smoke vs Smoke, CO
Winner
$48.99
- + Connectivity: 2.4 GHz WiFi, Other
- + Sensors: Smoke, CO
- + Alerts: Fire Alerts, CO Alerts, Low Battery Alerts
- - Price: $48.99 vs £32.99
- - Integrations: None vs Samsung SmartThings, Home Assistant
Frequently Asked Questions
Which is better overall: Heiman HS1SA-E Zigbee 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-E Zigbee Smoke Alarm and X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?
Price is one of the clearest differences: Heiman HS1SA-E Zigbee Smoke Alarm lists £32.99, while X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm lists $48.99.
Which one looks better on price?
Heiman HS1SA-E Zigbee Smoke Alarm is listed at £32.99, while X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm is listed at $48.99. Heiman HS1SA-E Zigbee Smoke Alarm (better spec).
Who should buy Heiman HS1SA-E Zigbee Smoke Alarm?
Choose Heiman HS1SA-E Zigbee 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.
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Compare all 27 Smoke & CO Detectors side by side
You are looking at two of them. The full table lines up all Smoke & CO Detectors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 27 Smoke & CO Detectors
- 44 specs compared
- 41 filters
- Smoke & CO Detectors
Photoelectric Smoke Alarm
- Smoke & CO Detectors
WiFi Smoke & CO Detector
- Smoke & CO Detectors
Nest Protect (Wired)
- Smoke & CO Detectors
Wi-Fi CO Alarm
- Smoke & CO Detectors
SC07-MR Smart Smoke & CO Alarm
- Smoke & CO Detectors
HS1SA-E Zigbee Smoke Alarm
- Smoke & CO Detectors
Nest Protect (Battery)
- Smoke & CO Detectors
Smart Smoke Detector
- Smoke & CO Detectors
Smoke Alarm
- Smoke & CO Detectors
XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
- Smoke & CO Detectors
Smoke and CO Alarm HM-636THS
- Smoke & CO Detectors
Interconnected Smoke Alarm S1-R
- Smoke & CO Detectors
SD19-MN Interconnected Smart Smoke Alarm
- Smoke & CO Detectors
Matter Smoke Detector S1-TM
- Smoke & CO Detectors
Wi-Fi Smoke Alarm
- Smoke & CO Detectors
Smart Smoke & CO Detector with Ring
- Smoke & CO Detectors
Smoke Alarm E10
- Smoke & CO Detectors
Smoke Alarm HM-636PHS
- Smoke & CO Detectors
Interconnected CO Alarm C1-R
- Smoke & CO Detectors
SC5 Battery Smart Smoke & CO Alarm
- Door & Window Sensors
Window Door Alarm
- Gas Detectors
HS1CG Series Combustible Gas Sensor
- Gas Detectors
WS2CG Series Combustible Gas Detector
- Motion Sensors
Smart Motion Sensor
- Motion Sensors
WiFi Smart Motion Sensor
- Sirens
Smart Siren HS2WD series
- Smoke & CO Detectors
HS1SA-E Zigbee Smoke Alarm
- Smoke & CO Detectors
Interconnected CO Alarm C1-R
- Smoke & CO Detectors
Interconnected Smoke Alarm S1-R
- Smoke & CO Detectors
Matter Smoke Detector S1-M
- Smoke & CO Detectors
Matter Smoke Detector S1-TM
- Smoke & CO Detectors
Smart CO Alarm
- Smoke & CO Detectors
Smoke Alarm HM-636PHS
- Smoke & CO Detectors
Smoke and CO Alarm HM-636THS
- Vibration Sensors
Smart Vibration Sensor HS1VS series
- Water Leak Sensors
Smart Water Leakage Sensor
- Air Quality Monitors
XR0A-iR Wi-Fi Radon Detector
- Hubs
SBS50 Base Station
- Motion Sensors
Solar Outdoor Spotlight - Motion-Sensor
- Smoke & CO Detectors
SC07-MR Smart Smoke & CO Alarm
- Smoke & CO Detectors
SD19-MN Interconnected Smart Smoke Alarm
- Smoke & CO Detectors
Wi-Fi CO Alarm
- Smoke & CO Detectors
Wi-Fi Smoke Alarm
- Smoke & CO Detectors
WiFi Smoke & CO Detector
- Smoke & CO Detectors
XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
- Smoke & CO Detectors
XP0J-iA Smart Hardwired Smoke & CO Alarm
- Temperature & Humidity Sensors
Smart WiFi Indoor Thermometer
- Temperature & Humidity Sensors
STH0B Smart Thermometer Hygrometer
- Water Leak Sensors
2-in-1 Wi-Fi Water Leak & Freeze Detector
- Water Leak Sensors
Wi-Fi Water Leak Detector