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

Data from Amazon and official Heiman and Shelly sites.

2026 verdict

Shelly GAS (LPG) beats Heiman HS1CG Series Combustible Gas Sensor in 2026, with its clearest edge on integrations and valve Shut-off. Its strongest advantages show up in integrations 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 its specific feature mix outweighs the wider strengths of Shelly GAS (LPG). As a general recommendation, Shelly GAS (LPG) comes out on top.

Heiman HS1CG Series Combustible Gas Sensor

Price unavailable right now

Winner

$69.99

Feature	Heiman HS1CG Series Combustible Gas Sensor	Shelly GAS (LPG)	Winner
Integrations	Samsung SmartThings, Home Assistant	Google Home, Alexa, Samsung SmartThings, Home Assistant	Shelly GAS (LPG)
Valve Shut-off	NO	YES	Shelly GAS (LPG)
Connectivity	Zigbee	2.4 GHz WiFi	Tie
Detection	Natural Gas, LPG & Propane	LPG & Propane, 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

$69.99

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

Shelly GAS (LPG) 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 (LPG)?

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

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

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