Heiman HS1CG Series Combustible Gas Sensor vs Shelly GAS (CNG) comparison

Data from Amazon and official Heiman and Shelly sites.

2026 verdict

In this 2026 Shelly GAS (CNG) vs Heiman HS1CG Series Combustible Gas Sensor comparison, Shelly GAS (CNG) comes out ahead thanks to integrations and valve Shut-off. Its biggest wins come from integrations and valve Shut-off, and its broader overall balance adds more confidence to the verdict. You should still consider Heiman HS1CG Series Combustible Gas Sensor if its specific feature mix matters more than raw overall balance. That is enough to make Shelly GAS (CNG) the better pick for most buyers.

Heiman HS1CG Series Combustible Gas Sensor

Price unavailable right now

Winner

5% OFF

€59.29

€62.74

Feature	Heiman HS1CG Series Combustible Gas Sensor	Shelly GAS (CNG)	Winner
Integrations	Samsung SmartThings, Home Assistant	Google Home, Alexa, Samsung SmartThings, Home Assistant	Shelly GAS (CNG)
Valve Shut-off	NO	YES	Shelly GAS (CNG)
Connectivity	Zigbee	2.4 GHz WiFi	Tie
Detection	Natural Gas, LPG & Propane	Natural Gas, Concentration Reading	Tie
Alerts	App Notifications, Fault Alerts	App Notifications, Fault Alerts	Tie
Digital Display	NO	NO	Tie
Interconnect	NO	NO	Tie

Price unavailable right now

- Integrations: Samsung SmartThings, Home Assistant vs Google Home, Alexa, Samsung SmartThings, Home Assistant
- Valve Shut-off: NO vs YES

Winner

5% OFF

€59.29

€62.74

Which is better overall: Heiman HS1CG Series Combustible Gas Sensor or Shelly GAS (CNG)?

Shelly GAS (CNG) has the stronger overall profile in this comparison, especially for integrations and valve Shut-off.

What is the biggest difference between Heiman HS1CG Series Combustible Gas Sensor and Shelly GAS (CNG)?

Integrations is one of the clearest differences: Heiman HS1CG Series Combustible Gas Sensor lists Samsung SmartThings, Home Assistant, while Shelly GAS (CNG) lists Google Home, Alexa, Samsung SmartThings, Home Assistant.

Who should buy Heiman HS1CG Series Combustible Gas Sensor?

Choose Heiman HS1CG Series Combustible Gas Sensor if your priority is its specific strengths and that matters more than integrations.

Who should buy Shelly GAS (CNG)?

Choose Shelly GAS (CNG) if your priority is integrations and valve Shut-off and that matters more than the competing advantages.

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