The Smart Device Compare comparison

Bosch Smart radiator thermostat II [+M] vs Shelly BLU TRV

Understand the differences. Decide what matters to your home.

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Before you compare every specification

Key differences between Bosch Smart radiator thermostat II [+M] and Shelly BLU TRV

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
  • Bluetooth (connectivity): Bosch Smart radiator thermostat II [+M] — No; Shelly BLU TRV — Yes.
  • Child Lock (features): Bosch Smart radiator thermostat II [+M] — Yes (Children’s hands on radiator thermostats often lead to incorrect settings and wasted energy. But there is no need to sweat (or freeze) as a result: | Specify in the app or using the operating button on the device that manual settings on the device itself are no longer possible. | This way, kids cannot adjust anything on the smart thermostats, and you can still control the room temperature conveniently via app, voice assistant or room thermostat.); Shelly BLU TRV — No.
  • External Temperature Sensors (features): Bosch Smart radiator thermostat II [+M] — No; Shelly BLU TRV — Yes (External sensor support (compatible with Shelly BLU H&T, Shelly BLU Door/Window sensors, associated via BLU Gateway Gen3)).
  • Frost Protection (features): Bosch Smart radiator thermostat II [+M] — Yes (Prevents damage to radiators owing to open windows or unused rooms.); Shelly BLU TRV — No.
Specifications to check side by side
  • 2.4 GHz Wi-Fi (connectivity): Bosch Smart radiator thermostat II [+M] — No; Shelly BLU TRV — Gateway required.
  • Thread (connectivity): Bosch Smart radiator thermostat II [+M] — Thread Border Router required; Shelly BLU TRV — No.
  • Zigbee (connectivity): Bosch Smart radiator thermostat II [+M] — Zigbee Hub required; Shelly BLU TRV — No.
Information still to confirm
  • 2 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.

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.

9differences with recorded values for every device
2rows with missing or unspecified information

Consider your setup

Apple Home

  • Bosch Smart radiator thermostat II [+M]Yes
  • Shelly BLU TRVNo

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

  • Bosch Smart radiator thermostat II [+M]Yes
  • Shelly BLU TRVNo

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

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

Connectivity

Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
Gateway required
Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
Thread Border Router required
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
Zigbee Hub required
Shelly BLU TRV
No

Display

Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
Not recorded
Shelly BLU TRV
Not recorded

Features

Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Not recorded
Bosch Smart radiator thermostat II [+M]
Yes
Catalog note

Children’s hands on radiator thermostats often lead to incorrect settings and wasted energy. But there is no need to sweat (or freeze) as a result: | Specify in the app or using the operating button on the device that manual settings on the device itself are no longer possible. | This way, kids cannot adjust anything on the smart thermostats, and you can still control the room temperature conveniently via app, voice assistant or room thermostat.

Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
Yes
Catalog note

External sensor support (compatible with Shelly BLU H&T, Shelly BLU Door/Window sensors, associated via BLU Gateway Gen3)

Bosch Smart radiator thermostat II [+M]
Yes
Catalog note

Prevents damage to radiators owing to open windows or unused rooms.

Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
No

Integrations

Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes

Power

Bosch Smart radiator thermostat II [+M]
2 years
Shelly BLU TRV
2 years
Bosch Smart radiator thermostat II [+M]
2x AA
Shelly BLU TRV
2x AA

Scheduling

Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
No

Sensors

Bosch Smart radiator thermostat II [+M]
No
Shelly BLU TRV
No
Bosch Smart radiator thermostat II [+M]
Yes
Shelly BLU TRV
Yes
Specifications for Bosch Smart radiator thermostat II [+M] versus Shelly BLU TRV
SpecificationBosch Smart radiator thermostat II [+M]Shelly BLU TRV
Connectivity
NoGateway required
NoNo
NoYes
Thread Border Router requiredNo
NoNo
Zigbee Hub requiredNo
Display
YesYes
Not recordedNot recorded
Features
YesNot recorded
Yes
Catalog note

Children’s hands on radiator thermostats often lead to incorrect settings and wasted energy. But there is no need to sweat (or freeze) as a result: | Specify in the app or using the operating button on the device that manual settings on the device itself are no longer possible. | This way, kids cannot adjust anything on the smart thermostats, and you can still control the room temperature conveniently via app, voice assistant or room thermostat.

No
YesYes
NoYes
Catalog note

External sensor support (compatible with Shelly BLU H&T, Shelly BLU Door/Window sensors, associated via BLU Gateway Gen3)

Yes
Catalog note

Prevents damage to radiators owing to open windows or unused rooms.

No
NoNo
Integrations
YesYes
YesNo
YesYes
YesYes
YesNo
YesYes
Power
2 years2 years
2x AA2x AA
Scheduling
NoNo
YesYes
NoNo
Sensors
NoNo
YesYes

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