The Smart Device Compare comparison

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve vs SwitchBot Smart Radiator Thermostat

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve and SwitchBot Smart Radiator Thermostat

A summary of selected recorded differences between these radiator valves. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Automatically (scheduling): Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve — No; SwitchBot Smart Radiator Thermostat — Yes.

Specifications to check side by side

Zigbee (connectivity): Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve — Zigbee Hub required (Zigbee 3.0 end device (IEEE 802.15.4). SONOFF lists ZBBridge-P, ZBBridge-U, NSPanel Pro, iHost and its ZBDongle coordinators as compatible hubs.); SwitchBot Smart Radiator Thermostat — No.
Screen Type (display): Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve — IPS; SwitchBot Smart Radiator Thermostat — Digital.
External Temperature Sensors (features): Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve — Yes (Temp. Display from External Sensor lets the valve use another SONOFF sensor on the same eWeLink account as its control reference: SNZB-02, SNZB-02P, SNZB-02D, SNZB-02WD, SNZB-02LD, SNZB-02B and SNZB-02M.); SwitchBot Smart Radiator Thermostat — Sold separately (Can take the room temperature from a separate SwitchBot sensor such as the Home Climate Panel or a SwitchBot Meter).
Alexa (integrations): Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve — Yes (SONOFF documents Alexa under Third-party Platforms for this model, with working mode and temperature control. Its hub list also covers direct pairing to the Zigbee radio of the Echo Show 2nd Gen, Echo Plus 2nd Gen and Echo 4th Gen.); SwitchBot Smart Radiator Thermostat — SwitchBot Hub required.

Information still to confirm

3 of 27 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 · Sonoff

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve

Last updated October 2026

View full device profile

Option 2 · SwitchBot

SwitchBot Smart Radiator Thermostat

Last updated October 2026

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.

10differences with recorded values for every device

3rows with missing or unspecified information

Consider your setup

Apple Home

Sonoff TRV Gen2 Zigbee Thermostatic Radiator ValveSONOFF Hub required
SwitchBot Smart Radiator ThermostatSwitchBot Hub required

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

Inspect the specifications

Consider your setup

Matter

Sonoff TRV Gen2 Zigbee Thermostatic Radiator ValveSONOFF Hub required
SwitchBot Smart Radiator ThermostatSwitchBot Hub required

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Consider your setup

Battery Life

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve6 months
SwitchBot Smart Radiator Thermostat10 months

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

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 27 of 27 rows. “Not recorded” does not mean “No”.

Reading layout

Connectivity

2.4 GHz Wi-Fi

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: No

5 GHz Wi-Fi

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: No

Bluetooth

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve

Yes

Catalog note

The official spec sheet lists connectivity as Zigbee 3.0 / BLE. Bluetooth is used to pair the valve with the eWeLink app when the device is already joined to a third-party Zigbee platform, and the app home screen carries a BLE icon that switches the radio.

SwitchBot Smart Radiator Thermostat

Yes

Manufacturer source

The radiator thermostat uses Bluetooth.

SwitchBot Smart Radiator Thermostat manufacturer product page →

Source section: Product description
Model: SwitchBot Smart Radiator Thermostat
Region: International manufacturer page
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Thread

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
Catalog note
The Thread Connection line in the SONOFF spec table is the M30 x 1.5 mm valve thread, not the Thread protocol.
SwitchBot Smart Radiator Thermostat: No

Z Wave

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: No

Zigbee

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Zigbee Hub required
Catalog note
Zigbee 3.0 end device (IEEE 802.15.4). SONOFF lists ZBBridge-P, ZBBridge-U, NSPanel Pro, iHost and its ZBDongle coordinators as compatible hubs.
SwitchBot Smart Radiator Thermostat: No

Display

Screen

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
High-definition IPS colour screen showing status, current temperature and settings, with 4-way rotation so it stays upright whichever way the valve is mounted.
SwitchBot Smart Radiator Thermostat: Yes

Screen Type

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve

IPS

Manufacturer source

The valve uses an IPS screen.

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page →

Source section: Product feature description
Model: Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Sensor compatibility and available controls depend on the Zigbee hub.

Document check only; not a hands-on test or verification of every regional or firmware variant.

SwitchBot Smart Radiator Thermostat

Digital

Features

Automations

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
Smart Scene triggers on open-window detection, device status or the current temperature, and can switch the valve to Auto, Anti-freeze, Manual or Boost or set a temperature between 5 and 30 degrees Celsius.
SwitchBot Smart Radiator Thermostat: Yes

Child Lock

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve

Yes

Manufacturer source

A child lock is included.

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page →

Source section: Product feature description
Model: Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Sensor compatibility and available controls depend on the Zigbee hub.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Child lock disables the knob so the valve can only be changed from the app.

SwitchBot Smart Radiator Thermostat

Not recorded

Display Temperature

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
The IPS screen shows the current temperature alongside the target temperature and the heating status.
SwitchBot Smart Radiator Thermostat: Yes

External Temperature Sensors

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve

Yes

Manufacturer source

A compatible remote temperature sensor can guide heating control.

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page →

Source section: Product feature description
Model: Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Sensor compatibility and available controls depend on the Zigbee hub.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Temp. Display from External Sensor lets the valve use another SONOFF sensor on the same eWeLink account as its control reference: SNZB-02, SNZB-02P, SNZB-02D, SNZB-02WD, SNZB-02LD, SNZB-02B and SNZB-02M.

SwitchBot Smart Radiator Thermostat

Sold separately

Catalog note

Can take the room temperature from a separate SwitchBot sensor such as the Home Climate Panel or a SwitchBot Meter

Frost Protection

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve

Yes

Manufacturer source

Frost protection is listed.

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page →

Source section: Product feature description
Model: Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

Sensor compatibility and available controls depend on the Zigbee hub.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Anti-freeze mode holds a minimum safeguard temperature to protect pipes and the heating system in cold weather, and its threshold is adjustable.

SwitchBot Smart Radiator Thermostat

Yes

Geofencing

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: Not recorded

Integrations

Alexa

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
SONOFF documents Alexa under Third-party Platforms for this model, with working mode and temperature control. Its hub list also covers direct pairing to the Zigbee radio of the Echo Show 2nd Gen, Echo Plus 2nd Gen and Echo 4th Gen.
SwitchBot Smart Radiator Thermostat: SwitchBot Hub required

Apple Home

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: SONOFF Hub required
Catalog note
The product page states Works with Apple Home via Matter Bridge: the valve reaches the Home app when its Zigbee hub republishes it over Matter (Bridge-M, ZBBridge-U, iHost, NSPanel Pro or eWeLink CUBE). Apple Home has no Zigbee radio of its own.
SwitchBot Smart Radiator Thermostat: SwitchBot Hub required

Google Home

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
SONOFF documents Google Home under Third-party Platforms for this model, with working mode and temperature control, through the eWeLink account or a SONOFF Matter bridge.
SwitchBot Smart Radiator Thermostat: SwitchBot Hub required

Home Assistant

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
Zigbee2MQTT has a device page for the TRV-ZBT and SONOFF asks for Zigbee2MQTT 2.12.1 or later for full feature support. For ZHA, SONOFF publishes a quirk script while its pull request is pending, so some entities need that script until it is merged.
SwitchBot Smart Radiator Thermostat: Yes
Catalog note
Official SwitchBot integration, reachable locally over Bluetooth (a Bluetooth proxy extends the range) or through the SwitchBot cloud with a hub

Matter

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: SONOFF Hub required
Catalog note
The valve is not a Matter device itself: it is Zigbee, and SONOFF publishes it into Matter through one of its bridges (Bridge-M, ZBBridge-U, iHost, NSPanel Pro or eWeLink CUBE running on a Raspberry Pi, a virtual machine or a NAS with a SONOFF Zigbee dongle).
SwitchBot Smart Radiator Thermostat: SwitchBot Hub required
Catalog note
Exposed to Matter by a SwitchBot hub acting as a Matter bridge

SmartThings

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
SONOFF documents SmartThings under Third-party Platforms for this model and publishes a SmartThings driver invite for it; a Zigbee hub such as the Aeotec SmartThings Hub v3 pairs the valve directly.
SwitchBot Smart Radiator Thermostat: SwitchBot Hub required

Power

Battery Life

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: 6 months
Catalog note
SONOFF states two 2,000 mAh AA alkaline batteries last up to six months under normal use, and that valve adjustment frequency, ambient temperature and network stability shorten it.
SwitchBot Smart Radiator Thermostat: 10 months

Battery Type

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: 2x AA
SwitchBot Smart Radiator Thermostat: 2x AA

Scheduling

Automatically

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: Yes

Manually

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
Three switchable schedule plans, each covering all seven days of the week with up to 12 time slots per day, plus Manual and Anti-freeze operating modes and a Boost timer.
SwitchBot Smart Radiator Thermostat: Yes

Suggestions

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: Not recorded

Sensors

Humidity

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: No
SwitchBot Smart Radiator Thermostat: No

Temperature

Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve: Yes
Catalog note
The valve measures room temperature itself and shows it on the display, with a temperature offset setting to calibrate the reading.
SwitchBot Smart Radiator Thermostat: Yes

Specifications for Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve versus SwitchBot Smart Radiator Thermostat
Specification	Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve	SwitchBot Smart Radiator Thermostat
Connectivity
2.4 GHz Wi-Fi	No	No
5 GHz Wi-Fi	No	No
Bluetooth	Yes Catalog note The official spec sheet lists connectivity as Zigbee 3.0 / BLE. Bluetooth is used to pair the valve with the eWeLink app when the device is already joined to a third-party Zigbee platform, and the app home screen carries a BLE icon that switches the radio.	Yes Manufacturer source The radiator thermostat uses Bluetooth. SwitchBot Smart Radiator Thermostat manufacturer product page → Source section Product description Model SwitchBot Smart Radiator Thermostat Region International manufacturer page Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.
Thread	No Catalog note The Thread Connection line in the SONOFF spec table is the M30 x 1.5 mm valve thread, not the Thread protocol.	No
Z Wave	No	No
Zigbee	Zigbee Hub required Catalog note Zigbee 3.0 end device (IEEE 802.15.4). SONOFF lists ZBBridge-P, ZBBridge-U, NSPanel Pro, iHost and its ZBDongle coordinators as compatible hubs.	No
Display
Screen	Yes Catalog note High-definition IPS colour screen showing status, current temperature and settings, with 4-way rotation so it stays upright whichever way the valve is mounted.	Yes
Screen Type	IPS Manufacturer source The valve uses an IPS screen. Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page → Source section Product feature description Model Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Sensor compatibility and available controls depend on the Zigbee hub. Document check only; not a hands-on test or verification of every regional or firmware variant.	Digital
Features
Automations	Yes Catalog note Smart Scene triggers on open-window detection, device status or the current temperature, and can switch the valve to Auto, Anti-freeze, Manual or Boost or set a temperature between 5 and 30 degrees Celsius.	Yes
Child Lock	Yes Manufacturer source A child lock is included. Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page → Source section Product feature description Model Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Sensor compatibility and available controls depend on the Zigbee hub. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Child lock disables the knob so the valve can only be changed from the app.	Not recorded
Display Temperature	Yes Catalog note The IPS screen shows the current temperature alongside the target temperature and the heating status.	Yes
External Temperature Sensors	Yes Manufacturer source A compatible remote temperature sensor can guide heating control. Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page → Source section Product feature description Model Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Sensor compatibility and available controls depend on the Zigbee hub. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Temp. Display from External Sensor lets the valve use another SONOFF sensor on the same eWeLink account as its control reference: SNZB-02, SNZB-02P, SNZB-02D, SNZB-02WD, SNZB-02LD, SNZB-02B and SNZB-02M.	Sold separately Catalog note Can take the room temperature from a separate SwitchBot sensor such as the Home Climate Panel or a SwitchBot Meter
Frost Protection	Yes Manufacturer source Frost protection is listed. Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve manufacturer product page → Source section Product feature description Model Sonoff TRV Gen2 Zigbee Thermostatic Radiator Valve Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 Sensor compatibility and available controls depend on the Zigbee hub. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Anti-freeze mode holds a minimum safeguard temperature to protect pipes and the heating system in cold weather, and its threshold is adjustable.	Yes
Geofencing	No	Not recorded
Integrations
Alexa	Yes Catalog note SONOFF documents Alexa under Third-party Platforms for this model, with working mode and temperature control. Its hub list also covers direct pairing to the Zigbee radio of the Echo Show 2nd Gen, Echo Plus 2nd Gen and Echo 4th Gen.	SwitchBot Hub required
Apple Home	SONOFF Hub required Catalog note The product page states Works with Apple Home via Matter Bridge: the valve reaches the Home app when its Zigbee hub republishes it over Matter (Bridge-M, ZBBridge-U, iHost, NSPanel Pro or eWeLink CUBE). Apple Home has no Zigbee radio of its own.	SwitchBot Hub required
Google Home	Yes Catalog note SONOFF documents Google Home under Third-party Platforms for this model, with working mode and temperature control, through the eWeLink account or a SONOFF Matter bridge.	SwitchBot Hub required
Home Assistant	Yes Catalog note Zigbee2MQTT has a device page for the TRV-ZBT and SONOFF asks for Zigbee2MQTT 2.12.1 or later for full feature support. For ZHA, SONOFF publishes a quirk script while its pull request is pending, so some entities need that script until it is merged.	Yes Catalog note Official SwitchBot integration, reachable locally over Bluetooth (a Bluetooth proxy extends the range) or through the SwitchBot cloud with a hub
Matter	SONOFF Hub required Catalog note The valve is not a Matter device itself: it is Zigbee, and SONOFF publishes it into Matter through one of its bridges (Bridge-M, ZBBridge-U, iHost, NSPanel Pro or eWeLink CUBE running on a Raspberry Pi, a virtual machine or a NAS with a SONOFF Zigbee dongle).	SwitchBot Hub required Catalog note Exposed to Matter by a SwitchBot hub acting as a Matter bridge
SmartThings	Yes Catalog note SONOFF documents SmartThings under Third-party Platforms for this model and publishes a SmartThings driver invite for it; a Zigbee hub such as the Aeotec SmartThings Hub v3 pairs the valve directly.	SwitchBot Hub required
Power
Battery Life	6 months Catalog note SONOFF states two 2,000 mAh AA alkaline batteries last up to six months under normal use, and that valve adjustment frequency, ambient temperature and network stability shorten it.	10 months
Battery Type	2x AA	2x AA
Scheduling
Automatically	No	Yes
Manually	Yes Catalog note Three switchable schedule plans, each covering all seven days of the week with up to 12 time slots per day, plus Manual and Anti-freeze operating modes and a Boost timer.	Yes
Suggestions	No	Not recorded
Sensors
Humidity	No	No
Temperature	Yes Catalog note The valve measures room temperature itself and shows it on the display, with a temperature offset setting to calibrate the reading.	Yes

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