Data from Amazon and official Heiman site.
2026 verdict
Across the 2026 comparison, Heiman WS2CG Series Combustible Gas Detector earns the nod over Heiman HS1CG Series Combustible Gas Sensor on the strength of alerts and valve Shut-off. Its strongest advantages show up in alerts and valve Shut-off, with its broader overall balance helping widen the gap. Heiman HS1CG Series Combustible Gas Sensor can still be the right pick, but only if integrations outweigh the wider strengths of Heiman WS2CG Series Combustible Gas Detector. Overall, Heiman WS2CG Series Combustible Gas Detector makes more sense for most people.
vs
Winner
| Feature | Heiman HS1CG Series Combustible Gas Sensor | Heiman WS2CG Series Combustible Gas Detector | Winner |
|---|---|---|---|
| Integrations | Samsung SmartThings, Home Assistant | Home Assistant | Heiman HS1CG Series Combustible Gas Sensor |
| Alerts | App Notifications, Fault Alerts | App Notifications, Voice Alerts, Fault Alerts | Heiman WS2CG Series Combustible Gas Detector |
| Valve Shut-off | NO | YES | Heiman WS2CG Series Combustible Gas Detector |
| Connectivity | Zigbee | 2.4 GHz WiFi | Tie |
| Detection | Natural Gas, LPG & Propane | Natural Gas, LPG & Propane | Tie |
| Digital Display | NO | NO | Tie |
| Interconnect | NO | NO | Tie |
Price unavailable right now
- + Integrations: Samsung SmartThings, Home Assistant
- - Alerts: App Notifications, Fault Alerts vs App Notifications, Voice Alerts, Fault Alerts
- - Valve Shut-off: NO vs YES
Winner
Price unavailable right now
- + Alerts: App Notifications, Voice Alerts, Fault Alerts
- + Valve Shut-off: YES
- - Integrations: Home Assistant vs Samsung SmartThings, Home Assistant
Frequently Asked Questions
Which is better overall: Heiman HS1CG Series Combustible Gas Sensor or Heiman WS2CG Series Combustible Gas Detector?
Heiman WS2CG Series Combustible Gas Detector has the stronger overall profile in this comparison, especially for alerts and valve Shut-off.
What is the biggest difference between Heiman HS1CG Series Combustible Gas Sensor and Heiman WS2CG Series Combustible Gas Detector?
Integrations is one of the clearest differences: Heiman HS1CG Series Combustible Gas Sensor lists Samsung SmartThings, Home Assistant, while Heiman WS2CG Series Combustible Gas Detector lists Home Assistant.
Who should buy Heiman HS1CG Series Combustible Gas Sensor?
Choose Heiman HS1CG Series Combustible Gas Sensor if your priority is integrations and that matters more than alerts.
Who should buy Heiman WS2CG Series Combustible Gas Detector?
Choose Heiman WS2CG Series Combustible Gas Detector if your priority is alerts and valve Shut-off and that matters more than integrations.
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