The Smart Device Compare comparison

Aqara Smart Gas Detector vs Shelly GAS (CNG)

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Aqara Smart Gas Detector and Shelly GAS (CNG)

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

2.4 GHz Wi-Fi (connectivity): Aqara Smart Gas Detector — No; Shelly GAS (CNG) — Yes (802.11 b/g/n, 2400-2484 MHz, no hub required).
Interconnect (features): Aqara Smart Gas Detector — Yes (Group binding makes one detector trigger the other Aqara gas detectors, even if the hub goes down); Shelly GAS (CNG) — No.
Alexa (integrations): Aqara Smart Gas Detector — No (Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it); Shelly GAS (CNG) — Yes.
Google Home (integrations): Aqara Smart Gas Detector — No (Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it); Shelly GAS (CNG) — Yes.

Specifications to check side by side

Alarm Volume (alerts): Aqara Smart Gas Detector — 85 dB; Shelly GAS (CNG) — 70 dB.
Zigbee (connectivity): Aqara Smart Gas Detector — Zigbee Hub required (Zigbee 3.0 with repeater functionality, so it also extends the mesh for nearby Aqara devices); Shelly GAS (CNG) — No.
Apple Home (integrations): Aqara Smart Gas Detector — Aqara Hub required; Shelly GAS (CNG) — No.

Information still to confirm

8 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.

Option 1 · Aqara

Aqara Smart Gas Detector

Catalog update date not recorded

View full device profile

Option 2 · Shelly

Shelly GAS (CNG)

Catalog update date not recorded

View full device profile

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.

8differences with recorded values for every device

8rows with missing or unspecified information

Consider your setup

Apple Home

Aqara Smart Gas DetectorAqara Hub required
Shelly GAS (CNG)No

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

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.

Differences onlyMy priorities (0)

Showing 37 of 37 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Alarm Volume

Aqara Smart Gas Detector: 85 dB
Shelly GAS (CNG): 70 dB

App Notifications

Aqara Smart Gas Detector: Yes
Catalog note
Push notifications including Critical Alerts through the Aqara Home app
Shelly GAS (CNG): Yes

Fault Alerts

Aqara Smart Gas Detector: Yes
Catalog note
Separate fault and end-of-service-life indications, each with its own light and buzzer pattern
Shelly GAS (CNG): Yes
Catalog note
The sensor state is reported as warmup, normal, fault or unknown

Low Battery Alerts

Aqara Smart Gas Detector: Not applicable / unspecified
Shelly GAS (CNG): Not applicable / unspecified

Voice Alerts

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Connectivity

2.4 GHz Wi-Fi

Aqara Smart Gas Detector: No
Shelly GAS (CNG): Yes
Catalog note
802.11 b/g/n, 2400-2484 MHz, no hub required

5 GHz Wi-Fi

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Bluetooth

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Other

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Thread

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Z Wave

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Zigbee

Aqara Smart Gas Detector: Zigbee Hub required
Catalog note
Zigbee 3.0 with repeater functionality, so it also extends the mesh for nearby Aqara devices
Shelly GAS (CNG): No

Detection

Alarm Threshold

Aqara Smart Gas Detector: Not recorded
Shelly GAS (CNG): 6% LEL

Carbon Monoxide

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Concentration Reading

Aqara Smart Gas Detector: Yes
Catalog note
The app shows the measured concentration as a percentage of the lower explosive limit (LEL)
Shelly GAS (CNG): Yes
Catalog note
The device reports the measured concentration in ppm through the app and the local API

Lpg Propane

Aqara Smart Gas Detector: No
Catalog note
The manual states it cannot be used to detect LPG or artificial coal gas
Shelly GAS (CNG): No
Catalog note
Shelly sells a separate LPG version for propane and butane

Natural Gas

Aqara Smart Gas Detector: Yes
Catalog note
Target gas is methane (CH4)
Shelly GAS (CNG): Yes
Catalog note
Calibrated for compressed natural gas (methane)

Sensor Life

Aqara Smart Gas Detector: Not recorded
Shelly GAS (CNG): Not recorded

Sensor Type

Aqara Smart Gas Detector: Not recorded
Shelly GAS (CNG): Not recorded

Features

Automations

Aqara Smart Gas Detector: Yes
Shelly GAS (CNG): Yes
Catalog note
Scenes can react to the alarm and drive any other Shelly device

Certification

Aqara Smart Gas Detector: Not recorded
Shelly GAS (CNG): Not recorded

Digital Display

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

History Records

Aqara Smart Gas Detector: Yes
Shelly GAS (CNG): Not recorded

Interconnect

Aqara Smart Gas Detector: Yes
Catalog note
Group binding makes one detector trigger the other Aqara gas detectors, even if the hub goes down
Shelly GAS (CNG): No

Mute Silence

Aqara Smart Gas Detector: Yes
Catalog note
The alarm can be silenced from the button or remotely from the app
Shelly GAS (CNG): Yes
Catalog note
Mute and unmute the sounder remotely

Self Test

Aqara Smart Gas Detector: Yes
Catalog note
Silence/self-test button runs a full indicator and buzzer check
Shelly GAS (CNG): Yes
Catalog note
Self-test can be triggered from the app or the local API

Valve Shut Off

Aqara Smart Gas Detector: Yes
Catalog note
Wiring terminals T+ and T- close a solenoid valve on alarm, and automations can also drive an Aqara smart valve controller
Shelly GAS (CNG): Yes
Catalog note
11-13V 500mA jack output drives the Shelly Gas Add-on valve manipulator, which is sold separately

Integrations

Alexa

Aqara Smart Gas Detector: No
Catalog note
Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it
Shelly GAS (CNG): Yes

Apple Home

Aqara Smart Gas Detector: Aqara Hub required
Shelly GAS (CNG): No

Google Home

Aqara Smart Gas Detector: No
Catalog note
Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it
Shelly GAS (CNG): Yes

Home Assistant

Aqara Smart Gas Detector: Yes
Catalog note
Exposed through the Aqara hub over HomeKit, which Home Assistant reads with its native HomeKit Device integration
Shelly GAS (CNG): Yes
Catalog note
Local control over the HTTP, MQTT and CoAP APIs

Matter

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

SmartThings

Aqara Smart Gas Detector: No
Shelly GAS (CNG): Yes

Power

Battery Backup

Aqara Smart Gas Detector: No
Shelly GAS (CNG): No

Battery Life

Aqara Smart Gas Detector: Not applicable / unspecified
Shelly GAS (CNG): Not applicable / unspecified

Battery Type

Aqara Smart Gas Detector: Not applicable / unspecified
Shelly GAS (CNG): Not applicable / unspecified

Wired

Aqara Smart Gas Detector: Yes
Catalog note
Powered by the bundled 12 V 0.5 A adapter
Shelly GAS (CNG): Yes
Catalog note
Plugs straight into a socket, 110-230V AC 50/60Hz, under 3 W

Specifications for Aqara Smart Gas Detector versus Shelly GAS (CNG)
Specification	Aqara Smart Gas Detector	Shelly GAS (CNG)
Alerts
Alarm Volume	85 dB	70 dB
App Notifications	Yes Catalog note Push notifications including Critical Alerts through the Aqara Home app	Yes
Fault Alerts	Yes Catalog note Separate fault and end-of-service-life indications, each with its own light and buzzer pattern	Yes Catalog note The sensor state is reported as warmup, normal, fault or unknown
Low Battery Alerts	Not applicable / unspecified	Not applicable / unspecified
Voice Alerts	No	No
Connectivity
2.4 GHz Wi-Fi	No	Yes Catalog note 802.11 b/g/n, 2400-2484 MHz, no hub required
5 GHz Wi-Fi	No	No
Bluetooth	No	No
Other	No	No
Thread	No	No
Z Wave	No	No
Zigbee	Zigbee Hub required Catalog note Zigbee 3.0 with repeater functionality, so it also extends the mesh for nearby Aqara devices	No
Detection
Alarm Threshold	Not recorded	6% LEL
Carbon Monoxide	No	No
Concentration Reading	Yes Catalog note The app shows the measured concentration as a percentage of the lower explosive limit (LEL)	Yes Catalog note The device reports the measured concentration in ppm through the app and the local API
Lpg Propane	No Catalog note The manual states it cannot be used to detect LPG or artificial coal gas	No Catalog note Shelly sells a separate LPG version for propane and butane
Natural Gas	Yes Catalog note Target gas is methane (CH4)	Yes Catalog note Calibrated for compressed natural gas (methane)
Sensor Life	Not recorded	Not recorded
Sensor Type	Not recorded	Not recorded
Features
Automations	Yes	Yes Catalog note Scenes can react to the alarm and drive any other Shelly device
Certification	Not recorded	Not recorded
Digital Display	No	No
History Records	Yes	Not recorded
Interconnect	Yes Catalog note Group binding makes one detector trigger the other Aqara gas detectors, even if the hub goes down	No
Mute Silence	Yes Catalog note The alarm can be silenced from the button or remotely from the app	Yes Catalog note Mute and unmute the sounder remotely
Self Test	Yes Catalog note Silence/self-test button runs a full indicator and buzzer check	Yes Catalog note Self-test can be triggered from the app or the local API
Valve Shut Off	Yes Catalog note Wiring terminals T+ and T- close a solenoid valve on alarm, and automations can also drive an Aqara smart valve controller	Yes Catalog note 11-13V 500mA jack output drives the Shelly Gas Add-on valve manipulator, which is sold separately
Integrations
Alexa	No Catalog note Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it	Yes
Apple Home	Aqara Hub required	No
Google Home	No Catalog note Neither the Alexa smart home API nor the Google Home SensorState trait defines a combustible gas sensor type, so the alarm cannot be exposed to it	Yes
Home Assistant	Yes Catalog note Exposed through the Aqara hub over HomeKit, which Home Assistant reads with its native HomeKit Device integration	Yes Catalog note Local control over the HTTP, MQTT and CoAP APIs
Matter	No	No
SmartThings	No	Yes
Power
Battery Backup	No	No
Battery Life	Not applicable / unspecified	Not applicable / unspecified
Battery Type	Not applicable / unspecified	Not applicable / unspecified
Wired	Yes Catalog note Powered by the bundled 12 V 0.5 A adapter	Yes Catalog note Plugs 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