SwitchBot Smart Radiator Thermostat
SwitchBot Smart Radiator Thermostat
SwitchBot Smart Radiator Thermostat
SwitchBot Smart Radiator Thermostat
SwitchBot Smart Radiator Thermostat
SwitchBot Smart Radiator Thermostat

SwitchBot Smart Radiator Thermostat

Smart Thermostats
US$39.99
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Product Description

  • Energy & Cost Savings

Customize heating schedules to match your daily routine. Automatically turns off when you leave for work, preheats your home before you return home, and adjusts to a comfortable temperature before bedtime. Heat only the spaces you need, when you need them, achieving the perfect balance of comfort and efficiency. Save up to over 30% on heating costs annually.

  • Multi-Room Smart Linking

Supports independent control of multiple thermostatic valves. Warm up the kids’ room before they get home, delay cooling for adults who stay up late, or keep storage rooms at low temperatures to avoid energy waste. Every family member gets their own comfortable temperature.

  • Quick & Easy Installation

No professional tools or modifications required. Simply attach the thermostat to your radiator using the metal nut and follow the step-by-step guide in the app to pair. Comes standard with 6 adapters (Danfoss RA, Danfoss RAV, Danfoss RAVL, M28x1.5, Giacomini, and Caleffi), which fits most radiators on the market without the need for separate purchases.

  • App Control

Control directly via Bluetooth and access a variety of free features, including smart scheduling, temperature monitoring, and window status detection, helping you save both energy and costs. Also includes automatic descaling and frost protection to ensure all-around safety for your heating system..

  • 10-Month Battery Life

A single set of batteries lasts an entire heating season, with low-battery alerts to keep you prepared. Equipped with a clear digital display, so temperature, power level, and operating status are always easy to check at a glance. (*Based on testing with ten adjustments per day; battery life may vary depending on individual usage.)

    Warranty

    • SwitchBot Smart Radiator Thermostat is covered by a 1-year warranty.
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    Customer Reviews

    Based on 18 reviews
    83%
    (15)
    17%
    (3)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    I
    Italo Lombardi
    Amazing! Great product

    This is already my second SwitchBot Radiator Thermometer, and I plan to get more for the entire house. It’s fast and smooth when changing the temperature, and it works perfectly within the SwitchBot ecosystem
    Highly recommend! Thanks SwitchBot <3

    D
    Dercy Dalia
    ⭐️⭐️⭐️⭐️⭐️ Fantastic device — smooth, silent, and beautifully designed!

    I just got the new SwitchBot Radiator Thermometer, and it looks fantastic! The design is sleek, and installation was super easy. I didn’t even need to use any of the provider adapters. The online setup videos are clear and easy to follow.
    The only small challenge is aligning the display in the exact direction you want, but once done, it looks perfect.

    It connected quickly and started reporting temperature right away. Calibration takes just a few seconds, and the response time when adjusting temperature is equally fast.
    It moves very smoothly, and I love the subtle clicking sound when adjusting it manually.

    The device is extremely silent when adjusting automatically, which is great for nighttime use.

    I’d love to see a future setting to keep the display always on (even if it uses more battery).

    So far, it’s been working flawlessly, and it integrates beautifully with the SwitchBot ecosystem.

    I’ll update this review once Home Assistant support is released, but for now, I’m really happy with the product.

    Great job, SwitchBot!

    a
    a1skaterboy
    Go to Device for Smart Radiator Thermostat

    Quality item, brilliantly packaged with everything needed to convert manual TRV.
    I have been looking for ages to find a smart device that is capable of fitting to my M28x1.5 TRV valve. This Switchbot product has solved that issue with the supplied adapter / combo hub.
    It is worthwhile to take time to look through the pictorial guide or watch the videos prior to fitting (numerous depending upon what valve you have). 15 minutes max using the adapter.
    M30x1.5 valve is a direct fit. RA, RAV, RAVL, Giacomini, M28x1.5 or Caleffi valves require a supplied adaptor (just make sure you use the correct pin extender).
    Many different options to control smart actions, from simply using the button / dial on thermostat, voice activation (hub needed) or app (bluetooth (local) or hub (remote) needed).
    Locally at the thermostat, pressing the button returns current room temperature. Pressing again toggles between schedule and manual modes. Desired temperature set by rotating ring.
    In the app you have the following five options, Schedule / Manual (off-35) / Comfort (21) / Fast Heating (35 + duration) / Eco (16)
    I can now control the thermostat using Alexa / Google (although I cannot find a definitive list of commands it does the basics). What is temperature [device name] returns room temperature. Set temperature [device name] to # sets the desired temperature.
    Through the app there is an automation option to control the thermostat.
    The app has too many opinions for controlling the thermostat in this review, namely times, triggers, interaction with other smart devices etc, but most scenarios you could ever think of are catered for.
    I like the manual control of the thermostat, so other people who are not aware of the smart controls can still set room temperature (lucky there is a child lock option).
    Using combo mini hub Matter, have tried hub Matter integration to Apple HomeKit successfully although controls are very basic and secondary devices are limited to 4.
    Not owned long enough to comment upon battery life (2x AA). Action is quick and relatively quiet. The only slight downside I have noticed so far is that when mounted vertically with the metal nut at bottom, the display is upside down. For my house, I intend to fit on all upstairs radiators, so I can zone them off whilst having the heating on downstairs during the day.
    Check out my photos. It shows M28x1.5 adapter and with correct pin extender (pushed in and not pushed in).

    r
    roger
    Excellent smart thermostat

    I recently purchased the switchbot smart radiator thermostat,and I'm thoroughly impressed at how easy the installation was .I have a bedroom over a kitchen and it always seemed difficult to get consistent temperature,also if I could save some money on gas!
    This was something I was a bit hesitant to do but having bought switchbot products in the past I new they had probably got the majority house holds covered.
    It did take about 15 minutes to complete but the app holds your hand.The features in the app for control are intuitive and will certainly save heating unnecessarily.
    I will certainly look at buying some more in the near future .I highly recommend this to anyone looking for smart control for there existing home set up with out expensive upgrades.

    D
    Dragos
    Excellent TRV — perfect for Home Assistant setups!

    I replaced my old Tuya Zigbee TRV with the SwitchBot Smart Radiator Thermostat, and I’m genuinely impressed by how much more reliable it is. The connection has been rock-solid — I’m running it in my Home Assistant instance using a Bluetooth proxy, and it integrates flawlessly. No dropouts, no delays, and it updates temperature and target changes almost instantly.

    The installation was simple, and the build quality feels premium. Once added to Home Assistant, I was able to automate heating schedules based on room occupancy and outside temperature, which works far better than my previous setup. The responsiveness and stability make it ideal for anyone who prefers local control and automation rather than relying on cloud systems.

    Overall, this SwitchBot TRV has been a huge improvement in both reliability and smart home flexibility. If you’re using Home Assistant and want dependable, easy-to-manage radiator control, this is absolutely the one to go for.

    D
    Dercy Dalia
    ⭐️⭐️⭐️⭐️⭐️ Fantastic device — smooth, silent, and beautifully designed!

    I just got the new SwitchBot Radiator Thermometer, and it looks fantastic! The design is sleek, and installation was super easy. I didn’t even need to use any of the provider adapters. The online setup videos are clear and easy to follow.
    The only small challenge is aligning the display in the exact direction you want, but once done, it looks perfect.

    It connected quickly and started reporting temperature right away. Calibration takes just a few seconds, and the response time when adjusting temperature is equally fast.
    It moves very smoothly, and I love the subtle clicking sound when adjusting it manually.

    The device is extremely silent when adjusting automatically, which is great for nighttime use.

    I’d love to see a future setting to keep the display always on (even if it uses more battery).

    So far, it’s been working flawlessly, and it integrates beautifully with the SwitchBot ecosystem.

    I’ll update this review once Home Assistant support is released, but for now, I’m really happy with the product.

    Great job, SwitchBot!

    D
    Dragos
    Excellent TRV — perfect for Home Assistant setups!

    I replaced my old Tuya Zigbee TRV with the SwitchBot Smart Radiator Thermostat, and I’m genuinely impressed by how much more reliable it is. The connection has been rock-solid — I’m running it in my Home Assistant instance using a Bluetooth proxy, and it integrates flawlessly. No dropouts, no delays, and it updates temperature and target changes almost instantly.

    The installation was simple, and the build quality feels premium. Once added to Home Assistant, I was able to automate heating schedules based on room occupancy and outside temperature, which works far better than my previous setup. The responsiveness and stability make it ideal for anyone who prefers local control and automation rather than relying on cloud systems.

    Overall, this SwitchBot TRV has been a huge improvement in both reliability and smart home flexibility. If you’re using Home Assistant and want dependable, easy-to-manage radiator control, this is absolutely the one to go for.

    r
    roger
    Excellent smart thermostat

    I recently purchased the switchbot smart radiator thermostat,and I'm thoroughly impressed at how easy the installation was .I have a bedroom over a kitchen and it always seemed difficult to get consistent temperature,also if I could save some money on gas!
    This was something I was a bit hesitant to do but having bought switchbot products in the past I new they had probably got the majority house holds covered.
    It did take about 15 minutes to complete but the app holds your hand.The features in the app for control are intuitive and will certainly save heating unnecessarily.
    I will certainly look at buying some more in the near future .I highly recommend this to anyone looking for smart control for there existing home set up with out expensive upgrades.

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    Coming Soon

    Customer Reviews

    Based on 18 reviews
    83%
    (15)
    17%
    (3)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    I
    Italo Lombardi
    Amazing! Great product

    This is already my second SwitchBot Radiator Thermometer, and I plan to get more for the entire house. It’s fast and smooth when changing the temperature, and it works perfectly within the SwitchBot ecosystem
    Highly recommend! Thanks SwitchBot <3

    D
    Dercy Dalia
    ⭐️⭐️⭐️⭐️⭐️ Fantastic device — smooth, silent, and beautifully designed!

    I just got the new SwitchBot Radiator Thermometer, and it looks fantastic! The design is sleek, and installation was super easy. I didn’t even need to use any of the provider adapters. The online setup videos are clear and easy to follow.
    The only small challenge is aligning the display in the exact direction you want, but once done, it looks perfect.

    It connected quickly and started reporting temperature right away. Calibration takes just a few seconds, and the response time when adjusting temperature is equally fast.
    It moves very smoothly, and I love the subtle clicking sound when adjusting it manually.

    The device is extremely silent when adjusting automatically, which is great for nighttime use.

    I’d love to see a future setting to keep the display always on (even if it uses more battery).

    So far, it’s been working flawlessly, and it integrates beautifully with the SwitchBot ecosystem.

    I’ll update this review once Home Assistant support is released, but for now, I’m really happy with the product.

    Great job, SwitchBot!

    a
    a1skaterboy
    Go to Device for Smart Radiator Thermostat

    Quality item, brilliantly packaged with everything needed to convert manual TRV.
    I have been looking for ages to find a smart device that is capable of fitting to my M28x1.5 TRV valve. This Switchbot product has solved that issue with the supplied adapter / combo hub.
    It is worthwhile to take time to look through the pictorial guide or watch the videos prior to fitting (numerous depending upon what valve you have). 15 minutes max using the adapter.
    M30x1.5 valve is a direct fit. RA, RAV, RAVL, Giacomini, M28x1.5 or Caleffi valves require a supplied adaptor (just make sure you use the correct pin extender).
    Many different options to control smart actions, from simply using the button / dial on thermostat, voice activation (hub needed) or app (bluetooth (local) or hub (remote) needed).
    Locally at the thermostat, pressing the button returns current room temperature. Pressing again toggles between schedule and manual modes. Desired temperature set by rotating ring.
    In the app you have the following five options, Schedule / Manual (off-35) / Comfort (21) / Fast Heating (35 + duration) / Eco (16)
    I can now control the thermostat using Alexa / Google (although I cannot find a definitive list of commands it does the basics). What is temperature [device name] returns room temperature. Set temperature [device name] to # sets the desired temperature.
    Through the app there is an automation option to control the thermostat.
    The app has too many opinions for controlling the thermostat in this review, namely times, triggers, interaction with other smart devices etc, but most scenarios you could ever think of are catered for.
    I like the manual control of the thermostat, so other people who are not aware of the smart controls can still set room temperature (lucky there is a child lock option).
    Using combo mini hub Matter, have tried hub Matter integration to Apple HomeKit successfully although controls are very basic and secondary devices are limited to 4.
    Not owned long enough to comment upon battery life (2x AA). Action is quick and relatively quiet. The only slight downside I have noticed so far is that when mounted vertically with the metal nut at bottom, the display is upside down. For my house, I intend to fit on all upstairs radiators, so I can zone them off whilst having the heating on downstairs during the day.
    Check out my photos. It shows M28x1.5 adapter and with correct pin extender (pushed in and not pushed in).

    r
    roger
    Excellent smart thermostat

    I recently purchased the switchbot smart radiator thermostat,and I'm thoroughly impressed at how easy the installation was .I have a bedroom over a kitchen and it always seemed difficult to get consistent temperature,also if I could save some money on gas!
    This was something I was a bit hesitant to do but having bought switchbot products in the past I new they had probably got the majority house holds covered.
    It did take about 15 minutes to complete but the app holds your hand.The features in the app for control are intuitive and will certainly save heating unnecessarily.
    I will certainly look at buying some more in the near future .I highly recommend this to anyone looking for smart control for there existing home set up with out expensive upgrades.

    D
    Dragos
    Excellent TRV — perfect for Home Assistant setups!

    I replaced my old Tuya Zigbee TRV with the SwitchBot Smart Radiator Thermostat, and I’m genuinely impressed by how much more reliable it is. The connection has been rock-solid — I’m running it in my Home Assistant instance using a Bluetooth proxy, and it integrates flawlessly. No dropouts, no delays, and it updates temperature and target changes almost instantly.

    The installation was simple, and the build quality feels premium. Once added to Home Assistant, I was able to automate heating schedules based on room occupancy and outside temperature, which works far better than my previous setup. The responsiveness and stability make it ideal for anyone who prefers local control and automation rather than relying on cloud systems.

    Overall, this SwitchBot TRV has been a huge improvement in both reliability and smart home flexibility. If you’re using Home Assistant and want dependable, easy-to-manage radiator control, this is absolutely the one to go for.

    D
    Dercy Dalia
    ⭐️⭐️⭐️⭐️⭐️ Fantastic device — smooth, silent, and beautifully designed!

    I just got the new SwitchBot Radiator Thermometer, and it looks fantastic! The design is sleek, and installation was super easy. I didn’t even need to use any of the provider adapters. The online setup videos are clear and easy to follow.
    The only small challenge is aligning the display in the exact direction you want, but once done, it looks perfect.

    It connected quickly and started reporting temperature right away. Calibration takes just a few seconds, and the response time when adjusting temperature is equally fast.
    It moves very smoothly, and I love the subtle clicking sound when adjusting it manually.

    The device is extremely silent when adjusting automatically, which is great for nighttime use.

    I’d love to see a future setting to keep the display always on (even if it uses more battery).

    So far, it’s been working flawlessly, and it integrates beautifully with the SwitchBot ecosystem.

    I’ll update this review once Home Assistant support is released, but for now, I’m really happy with the product.

    Great job, SwitchBot!

    D
    Dragos
    Excellent TRV — perfect for Home Assistant setups!

    I replaced my old Tuya Zigbee TRV with the SwitchBot Smart Radiator Thermostat, and I’m genuinely impressed by how much more reliable it is. The connection has been rock-solid — I’m running it in my Home Assistant instance using a Bluetooth proxy, and it integrates flawlessly. No dropouts, no delays, and it updates temperature and target changes almost instantly.

    The installation was simple, and the build quality feels premium. Once added to Home Assistant, I was able to automate heating schedules based on room occupancy and outside temperature, which works far better than my previous setup. The responsiveness and stability make it ideal for anyone who prefers local control and automation rather than relying on cloud systems.

    Overall, this SwitchBot TRV has been a huge improvement in both reliability and smart home flexibility. If you’re using Home Assistant and want dependable, easy-to-manage radiator control, this is absolutely the one to go for.

    r
    roger
    Excellent smart thermostat

    I recently purchased the switchbot smart radiator thermostat,and I'm thoroughly impressed at how easy the installation was .I have a bedroom over a kitchen and it always seemed difficult to get consistent temperature,also if I could save some money on gas!
    This was something I was a bit hesitant to do but having bought switchbot products in the past I new they had probably got the majority house holds covered.
    It did take about 15 minutes to complete but the app holds your hand.The features in the app for control are intuitive and will certainly save heating unnecessarily.
    I will certainly look at buying some more in the near future .I highly recommend this to anyone looking for smart control for there existing home set up with out expensive upgrades.

    Quick Intro

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    Quick Intro

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    Energy-Saving Smart Schedule

    Energy-Saving Smart Schedule
    Automatically turns off heating when no one’s home on weekdays.
    Avoid wasting heat and save up to 30% on energy costs.

    Energy-Saving Smart Schedule

    Energy-Saving Smart Schedule
    Automatically turns off heating when no one’s home on weekdays.
    Avoid wasting heat and save up to 30% on energy costs.

    Multi-Room Independent Control

    Multi-Room Independent Control
    Heating on demand – easily warm the
    rooms you need, when you need them.

    Multi-Room Independent Control

    Multi-Room Independent Control
    Heating on demand – easily warm the
    rooms you need, when you need them.

    Energy-Saving Schedule
    Room-by-Room Heating
    Quiet, Smart & Long-Lasting

    Welcome Home to Perfect Warmth

    Welcome Home to Perfect Warmth
    Geo-fencing automatically starts heating before you arrive,
    so you always step into ideal comfort.
    *Requires SwitchBot Hub

    Welcome Home to Perfect Warmth

    Welcome Home to Perfect Warmth
    Geo-fencing automatically starts heating before you arrive,
    so you always step into ideal comfort.
    *Requires SwitchBot Hub

    Precision Temperature Tracking

    Precision Temperature Tracking
    Continuously monitors your home's temperature and humidity
    to optimize energy management.

    Precision Temperature Tracking

    Precision Temperature Tracking
    Continuously monitors your home's temperature and humidity
    to optimize energy management.

    Advanced Opening Detection For
    Smarter Energy Conservation

    Advanced Opening Detection For
    Smarter Energy Conservation
    *Requires SwitchBot Hub

    Advanced Opening Detection For
    Smarter Energy Conservation

    Advanced Opening Detection For
    Smarter Energy Conservation
    *Requires SwitchBot Hub
    Auto Heating with Geo-Fence
    Real-Time Temp Tracking
    Smart Window Detection

    If your thermostat is not on the list, please contact SwitchBot support for further help.

    Specs

    Product Info
    SizeØ52 × 77 mm
    Weight136 g
    MaterialsPC + ABS + PA/GF + Cu/Ni
    Functional Parameters
    Adjustable Temperature Range5–35°C
    Adjustable Stroke≤4.5 mm
    Generated Thrust≤120N
    Connection MethodBLE
    Bluetooth RangeApprox. 100 m
    Power Supply
    Power Source2 × AA batteries
    Battery IncludedYes (2 × AA batteries included in packing list)
    Others
    Installation ModeMounted on the water radiator
    Control ModesManual Mode, Schedule Mode
    Warranty1 year