Updated January 2026
Data from Amazon and official Shelly and Sonoff sites.
2026 verdict
For this 2026 head-to-head, Sonoff Zigbee Thermostatic Radiator Valve has the better all-around case. Its clearest strengths are price, rating, and integrations, and it still looks stronger on frost protection and child lock. Shelly BLU TRV still makes sense if warranty and connectivity is your priority, but most buyers should still lean toward Sonoff Zigbee Thermostatic Radiator Valve. In practical terms, Sonoff Zigbee Thermostatic Radiator Valve is the easier product to recommend.
| Feature | Shelly BLU TRV | Sonoff Zigbee Thermostatic Radiator Valve | Winner |
|---|---|---|---|
| Price | €46.45 | $39.99 | Sonoff Zigbee Thermostatic Radiator Valve |
| Rating | 3.7 | 4.1 | Sonoff Zigbee Thermostatic Radiator Valve |
| Warranty | 2 years | 1 year | Shelly BLU TRV |
| Connectivity | 2.4 GHz Wifi, Bluetooth | Zigbee | Shelly BLU TRV |
| Integrations | None | Google Home, Alexa, Home Assistant | Sonoff Zigbee Thermostatic Radiator Valve |
| Frost Protection | NO | YES | Sonoff Zigbee Thermostatic Radiator Valve |
| Child Lock | NO | YES | Sonoff Zigbee Thermostatic Radiator Valve |
| Screen | YES | YES | Tie |
| Sensors | Temperature | Temperature | Tie |
| Geofencing | NO | NO | Tie |
13% OFF
€53.43
€46.45
- + Warranty: 2 years
- + Connectivity: 2.4 GHz Wifi, Bluetooth
- - Price: €46.45 vs $39.99
- - Rating: 3.7 vs 4.1
Winner
$39.99
- + Price: $39.99
- + Rating: 4.1
- + Integrations: Google Home, Alexa, Home Assistant
- - Warranty: 1 year vs 2 years
- - Connectivity: Zigbee vs 2.4 GHz Wifi, Bluetooth
Frequently Asked Questions (FAQ)
- Which is better overall: Shelly BLU TRV or Sonoff Zigbee Thermostatic Radiator Valve?
- Sonoff Zigbee Thermostatic Radiator Valve has the stronger overall profile in this comparison, especially for price, rating, and integrations.
- What is the biggest difference between Shelly BLU TRV and Sonoff Zigbee Thermostatic Radiator Valve?
- Price is one of the clearest differences: Shelly BLU TRV lists €46.45, while Sonoff Zigbee Thermostatic Radiator Valve lists $39.99.
- Which one looks better on price?
- Shelly BLU TRV is listed at €46.45, while Sonoff Zigbee Thermostatic Radiator Valve is listed at $39.99. Sonoff Zigbee Thermostatic Radiator Valve (better spec).
- Who should buy Shelly BLU TRV?
- Choose Shelly BLU TRV if your priority is warranty and connectivity and that matters more than price.
- Who should buy Sonoff Zigbee Thermostatic Radiator Valve?
- Choose Sonoff Zigbee Thermostatic Radiator Valve if your priority is price and rating and that matters more than warranty.
More Radiator Valves
Top Radiator Valves to compare next
Compare smart radiator valves by battery life, connectivity, temperature sensors, scheduling, displays, integrations, and automation features.
![Bosch Smart radiator thermostat II [+M]]()
BoschSmart radiator thermostat II [+M]
View details![Sonoff Zigbee Thermostatic Radiator Valve]()
SonoffZigbee Thermostatic Radiator Valve
View details![Eve Thermo]()
EveThermo
View details![Meross Smart Thermostat Valve]()
MerossSmart Thermostat Valve
View details![Aqara Radiator Thermostat E1]()
AqaraRadiator Thermostat E1
View details![Shelly BLU TRV]()
ShellyBLU TRV
View details![Moes ZigBee Smart Radiator Valve]()
MoesZigBee Smart Radiator Valve
View details![Moes Smart Thermostatic Radiator Valve]()
MoesSmart Thermostatic Radiator Valve
View details
![Bosch Smart radiator thermostat II [+M]](/img/item-types/radiator-valves/bosch-smart-radiator-thermostat-2-thumb.webp)
Shelly
More Shelly products
A sharper look at other Shelly products worth comparing.
- Display
![Shelly Wall Display]()
ShellyWall Display
View details - Radiator Valve
![Shelly BLU TRV]()
ShellyBLU TRV
View details - Relay
![Shelly 1 Gen4]()
ShellyShelly 1 Gen4
View details - Relay
![Shelly 1 Mini Gen4]()
ShellyShelly 1 Mini Gen4
View details - Relay
![Shelly 1 Mini Gen3]()
ShellyShelly 1 Mini Gen3
View details - Relay
![Shelly Plus 1]()
ShellyShelly Plus 1
View details - Relay
![Shelly Plus 1PM]()
ShellyShelly Plus 1PM
View details - Relay
![Shelly Plus 2PM]()
ShellyShelly Plus 2PM
View details - Smoke & CO Detector
![Shelly Plus Smoke Alarm]()
ShellySmoke Alarm
View details - Temperature & Humidity Sensor
![Shelly H&T Gen3]()
ShellyH&T Gen3
View details - Water Leak Sensor
![Shelly Flood]()
ShellyFlood
View details
Sonoff
More Sonoff products
A sharper look at other Sonoff products worth comparing.
- Camera
![Sonoff Cam Slim Gen2]()
SonoffCam Slim Gen2
View details - Camera
![Sonoff GK-200MP2-B]()
SonoffGK-200MP2-B
View details - Display
![Sonoff NSPanel Pro]()
SonoffNSPanel Pro
View details - Dongle
![Sonoff Dongle Lite MG21]()
SonoffDongle Lite MG21
View details - Dongle
![Sonoff Dongle Max]()
SonoffDongle Max
View details - Dongle
![Sonoff Dongle Plus MG24]()
SonoffDongle Plus MG24
View details - Dongle
![Sonoff Dongle-PZG23]()
SonoffDongle-PZG23
View details - Dongle
![Sonoff ZBDongle-E]()
SonoffZBDongle-E
View details - Dongle
![Sonoff ZBDongle-P]()
SonoffZBDongle-P
View details - Door & Window Sensor
![Sonoff DW2-WIFI]()
SonoffDW2-WIFI
View details - Door & Window Sensor
![Sonoff SNZB-04 ZigBee Wireless Door/Window Sensor]()
SonoffSNZB-04 ZigBee Wireless Door/Window Sensor
View details - Door & Window Sensor
![Sonoff SNZB-04P ZigBee Door/Window Sensor]()
SonoffSNZB-04P ZigBee Door/Window Sensor
View details - Door & Window Sensor
![Sonoff SenseGuard DW Gen2]()
SonoffSenseGuard DW Gen2
View details - Hub
![Sonoff iHost]()
SonoffiHost
View details - Hub
![Sonoff Zigbee Bridge Pro]()
SonoffZigbee Bridge Pro
View details - Hub
![Sonoff Zigbee Bridge Ultra]()
SonoffZigbee Bridge Ultra
View details - LED Bulb
![Sonoff Wi-Fi Smart LED Bulb - Warm & Cold]()
SonoffWi-Fi Smart LED Bulb - Warm & Cold
View details - LED Bulb
![Sonoff Wi-Fi Smart LED Bulb - Color - A19]()
SonoffWi-Fi Smart LED Bulb - Color - A19
View details - LED Bulb
![Sonoff Wi-Fi Smart LED Bulb - Color - A60]()
SonoffWi-Fi Smart LED Bulb - Color - A60
View details - Motion Sensor
![Sonoff SNZB-03 ZigBee Motion Sensor]()
SonoffSNZB-03 ZigBee Motion Sensor
View details
