The Smart Device Compare comparison
Shelly GAS (CNG) vs Shelly GAS (LPG)
Understand the differences. Decide what matters to your home.
Build another comparison →Before you compare every specification
Key differences between Shelly GAS (CNG) and Shelly GAS (LPG)
A summary of selected recorded differences between these gas detectors. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- Lpg Propane (detection): Shelly GAS (CNG) — No (Shelly sells a separate LPG version for propane and butane); Shelly GAS (LPG) — Yes (Calibrated for liquefied petroleum gas).
- Natural Gas (detection): Shelly GAS (CNG) — Yes (Calibrated for compressed natural gas (methane)); Shelly GAS (LPG) — No (Shelly sells a separate CNG version for pipeline natural gas).
Information still to confirm
- 7 of 37 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.
What the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
2differences with recorded values for every device
7rows with missing or unspecified information
Your priorities, side by side
Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 37 of 37 rows. “Not recorded” does not mean “No”.
Alerts
- Shelly GAS (CNG)
- 70 dB
- Shelly GAS (LPG)
- 70 dB
- Shelly GAS (CNG)
- Yes
- Shelly GAS (LPG)
- Yes
- Shelly GAS (CNG)
- Yes
Catalog note
The sensor state is reported as warmup, normal, fault or unknown
- Shelly GAS (LPG)
- Yes
Catalog note
The sensor state is reported as warmup, normal, fault or unknown
- Shelly GAS (CNG)
- Not applicable / unspecified
- Shelly GAS (LPG)
- Not applicable / unspecified
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
Connectivity
- Shelly GAS (CNG)
- Yes
Catalog note
802.11 b/g/n, 2400-2484 MHz, no hub required
- Shelly GAS (LPG)
- Yes
Catalog note
802.11 b/g/n, 2400-2484 MHz, no hub required
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
Detection
- Shelly GAS (CNG)
- 6% LEL
- Shelly GAS (LPG)
- 6% LEL
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- Yes
Catalog note
The device reports the measured concentration in ppm through the app and the local API
- Shelly GAS (LPG)
- Yes
Catalog note
The device reports the measured concentration in ppm through the app and the local API
- Shelly GAS (CNG)
- No
Catalog note
Shelly sells a separate LPG version for propane and butane
- Shelly GAS (LPG)
- Yes
Catalog note
Calibrated for liquefied petroleum gas
- Shelly GAS (CNG)
- Yes
Catalog note
Calibrated for compressed natural gas (methane)
- Shelly GAS (LPG)
- No
Catalog note
Shelly sells a separate CNG version for pipeline natural gas
- Shelly GAS (CNG)
- Not recorded
- Shelly GAS (LPG)
- Not recorded
- Shelly GAS (CNG)
- Not recorded
- Shelly GAS (LPG)
- Not recorded
Features
- Shelly GAS (CNG)
- Yes
Catalog note
Scenes can react to the alarm and drive any other Shelly device
- Shelly GAS (LPG)
- Yes
Catalog note
Scenes can react to the alarm and drive any other Shelly device
- Shelly GAS (CNG)
- Not recorded
- Shelly GAS (LPG)
- Not recorded
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- Not recorded
- Shelly GAS (LPG)
- Not recorded
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- Yes
Catalog note
Mute and unmute the sounder remotely
- Shelly GAS (LPG)
- Yes
Catalog note
Mute and unmute the sounder remotely
- Shelly GAS (CNG)
- Yes
Catalog note
Self-test can be triggered from the app or the local API
- Shelly GAS (LPG)
- Yes
Catalog note
Self-test can be triggered from the app or the local API
- Shelly GAS (CNG)
- Yes
Catalog note
11-13V 500mA jack output drives the Shelly Gas Add-on valve manipulator, which is sold separately
- Shelly GAS (LPG)
- Yes
Catalog note
11-13V 500mA jack output drives the Shelly Gas Add-on valve manipulator, which is sold separately
Integrations
- Shelly GAS (CNG)
- Yes
- Shelly GAS (LPG)
- Yes
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- Yes
- Shelly GAS (LPG)
- Yes
- Shelly GAS (CNG)
- Yes
Catalog note
Local control over the HTTP, MQTT and CoAP APIs
- Shelly GAS (LPG)
- Yes
Catalog note
Local control over the HTTP, MQTT and CoAP APIs
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- Yes
- Shelly GAS (LPG)
- Yes
Power
- Shelly GAS (CNG)
- No
- Shelly GAS (LPG)
- No
- Shelly GAS (CNG)
- Not applicable / unspecified
- Shelly GAS (LPG)
- Not applicable / unspecified
- Shelly GAS (CNG)
- Not applicable / unspecified
- Shelly GAS (LPG)
- Not applicable / unspecified
- Shelly GAS (CNG)
- Yes
Catalog note
Plugs straight into a socket, 110-230V AC 50/60Hz, under 3 W
- Shelly GAS (LPG)
- Yes
Catalog note
Plugs straight into a socket, 110-230V AC 50/60Hz, under 3 W
| Specification | Shelly GAS (CNG) | Shelly GAS (LPG) |
|---|---|---|
| Alerts | ||
| 70 dB | 70 dB | |
| Yes | Yes | |
YesCatalog noteThe sensor state is reported as warmup, normal, fault or unknown | YesCatalog noteThe sensor state is reported as warmup, normal, fault or unknown | |
| Not applicable / unspecified | Not applicable / unspecified | |
| No | No | |
| Connectivity | ||
YesCatalog note802.11 b/g/n, 2400-2484 MHz, no hub required | YesCatalog note802.11 b/g/n, 2400-2484 MHz, no hub required | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| No | No | |
| Detection | ||
| 6% LEL | 6% LEL | |
| No | No | |
YesCatalog noteThe device reports the measured concentration in ppm through the app and the local API | YesCatalog noteThe device reports the measured concentration in ppm through the app and the local API | |
NoCatalog noteShelly sells a separate LPG version for propane and butane | YesCatalog noteCalibrated for liquefied petroleum gas | |
YesCatalog noteCalibrated for compressed natural gas (methane) | NoCatalog noteShelly sells a separate CNG version for pipeline natural gas | |
| Not recorded | Not recorded | |
| Not recorded | Not recorded | |
| Features | ||
YesCatalog noteScenes can react to the alarm and drive any other Shelly device | YesCatalog noteScenes can react to the alarm and drive any other Shelly device | |
| Not recorded | Not recorded | |
| No | No | |
| Not recorded | Not recorded | |
| No | No | |
YesCatalog noteMute and unmute the sounder remotely | YesCatalog noteMute and unmute the sounder remotely | |
YesCatalog noteSelf-test can be triggered from the app or the local API | YesCatalog noteSelf-test can be triggered from the app or the local API | |
YesCatalog note11-13V 500mA jack output drives the Shelly Gas Add-on valve manipulator, which is sold separately | YesCatalog note11-13V 500mA jack output drives the Shelly Gas Add-on valve manipulator, which is sold separately | |
| Integrations | ||
| Yes | Yes | |
| No | No | |
| Yes | Yes | |
YesCatalog noteLocal control over the HTTP, MQTT and CoAP APIs | YesCatalog noteLocal control over the HTTP, MQTT and CoAP APIs | |
| No | No | |
| Yes | Yes | |
| Power | ||
| No | No | |
| Not applicable / unspecified | Not applicable / unspecified | |
| Not applicable / unspecified | Not applicable / unspecified | |
YesCatalog notePlugs straight into a socket, 110-230V AC 50/60Hz, under 3 W | YesCatalog notePlugs straight into a socket, 110-230V AC 50/60Hz, under 3 W | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology