Bosch Smart Home Raumthermostat II - 86 x 87 x 28 mm
Published on 09/16/2026 at 22:12 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Bosch Smart Home Raumthermostat II measures 86 x 87 x 28 mm, uses 4 AAA batteries, and works only with the Bosch Smart Home Controller. The Bosch Smart Home page lists ZigBee 3.0, a battery life under 2 years, and a maximum temperature range of 0 to 50 C.
Room Sensing And Control
The battery-powered model carries the device type BTH-RM and the item number 8750002414. Bosch lists the package contents as the thermostat, 4 AAA batteries, a wall-mount plate, a stand, and an adhesive-mount set. The support page also says the room thermostat can coordinate several Bosch Smart Home radiator thermostats in one room.
Bosch says the room thermostat measures temperature at the place where it is installed, not at the radiator. The same support page says the device shows humidity on the display and in the app.
Price And Placement
Bosch's German product page lists the room thermostat II at 79.95 EUR and a 3-pack at 234.95 EUR. Idealo's price comparison page shows Bosch Smart Home Raumthermostat II 1 Stück from 86.88 EUR, including a unit price of 86.88 EUR per piece. A Comspot listing shows 89.00 EUR for the same model and describes it as a thermostat for cable-connected heating systems.
Compared with the 230 V room thermostat, this battery model is the portable choice. The 230 V version uses 230 V AC, has IP21, and weighs 131 g, while the battery model weighs 85 g and is built around room sensing and wireless placement. Bosch also states that the room thermostat II can be placed standing or mounted on a wall.
Manufacturer Details
Bosch Smart Home Raumthermostat II at a glance
Bosch lists the battery model with its size, radio standard, and included accessories.
Where It Fits Best
This model suits rooms where the thermostat needs to sit away from the heater and stay visible. Bosch's own support page says it can be used with radiator thermostats II and that one room thermostat can coordinate several units in the same room. The display shows temperature and humidity, which keeps the device centered on room climate rather than simple wall control.
Bottom Line
Bosch Smart Home Raumthermostat II is a battery-powered room controller for the Bosch Smart Home system, not a standalone thermostat. Its 86 x 87 x 28 mm size, 4 AAA batteries, ZigBee 3.0 radio, and controller requirement define its place in the lineup.
Bosch Smart Home Raumthermostat II Facts
- Product: Bosch Smart Home Raumthermostat II
- Manufacturer: Robert Bosch Smart Home GmbH
- Category: Smart room thermostat
- Device type: BTH-RM
- Dimensions: 86 x 87 x 28 mm
- Weight: 85 g
- Radio: ZigBee 3.0
- Battery life: under 2 years
- Package contents: 1 thermostat, 4 AAA batteries, wall-mount plate, stand, adhesive-mount set
- Price: EUR 79.95 on 07/20/2026
- Target audience: Bosch Smart Home users
