Heiman HS1CG Series Combustible Gas Sensor vs Zemismart ZM-GA100 Zigbee Gas Detector comparison

Data from Amazon and official Heiman and Zemismart sites.

2026 verdict

Between Heiman HS1CG Series Combustible Gas Sensor and Zemismart ZM-GA100 Zigbee Gas Detector, Heiman HS1CG Series Combustible Gas Sensor is the better overall pick in 2026, leading on integrations. Its clearest strengths are integrations, and it still looks stronger on its broader overall balance. Zemismart ZM-GA100 Zigbee Gas Detector is the better fit only for buyers who prioritize alerts above everything else here. That is enough to make Heiman HS1CG Series Combustible Gas Sensor the better pick for most buyers.

Winner

Heiman HS1CG Series Combustible Gas Sensor

Price unavailable right now

30% OFF

$26.00

$37.14

Feature	Heiman HS1CG Series Combustible Gas Sensor	Zemismart ZM-GA100 Zigbee 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, Low Battery Alerts	Zemismart ZM-GA100 Zigbee Gas Detector
Connectivity	Zigbee	Zigbee	Tie
Detection	Natural Gas, LPG & Propane	Natural Gas, Concentration Reading	Tie
Valve Shut-off	NO	NO	Tie
Digital Display	NO	NO	Tie
Interconnect	NO	NO	Tie

Winner

Price unavailable right now

+ Integrations: Samsung SmartThings, Home Assistant
- Alerts: App Notifications, Fault Alerts vs App Notifications, Voice Alerts, Low Battery Alerts

30% OFF

$26.00

$37.14

Which is better overall: Heiman HS1CG Series Combustible Gas Sensor or Zemismart ZM-GA100 Zigbee Gas Detector?

Heiman HS1CG Series Combustible Gas Sensor has the stronger overall profile in this comparison, especially for integrations.

What is the biggest difference between Heiman HS1CG Series Combustible Gas Sensor and Zemismart ZM-GA100 Zigbee Gas Detector?

Integrations is one of the clearest differences: Heiman HS1CG Series Combustible Gas Sensor lists Samsung SmartThings, Home Assistant, while Zemismart ZM-GA100 Zigbee 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 Zemismart ZM-GA100 Zigbee Gas Detector?

Choose Zemismart ZM-GA100 Zigbee Gas Detector if your priority is alerts and that matters more than integrations.

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