Winner
Updated July 2026
Data from Amazon and official Eve and Sonoff sites.
2026 verdict
If your heating runs through Apple Home, the Eve Thermo is the smart radiator valve to pick, because it pairs over Thread and Bluetooth with no Zigbee hub in between.
It carries Matter natively, so the same valve also reaches Google Home, Alexa, SmartThings and Home Assistant, and it runs on two AA cells in a slightly smaller, lighter body. The Sonoff Zigbee Thermostatic Radiator Valve answers with something the Eve Thermo does not have at all: support for an external temperature sensor, so the room can be measured away from the hot radiator. It also slots straight into a Zigbee network, which is why Home Assistant and Zigbee2MQTT users favour it, while Apple Home and Matter only arrive through a SONOFF hub. Both have an on-device screen, frost protection, child lock and manual schedules. Pick the Eve Thermo for a hub-free Apple or Matter home, and the Sonoff Zigbee Thermostatic Radiator Valve if you already run a Zigbee coordinator.
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| Feature | Eve Thermo | Sonoff Zigbee Thermostatic Radiator Valve | Winner |
|---|---|---|---|
| Price | €39.49 | $39.99 | Eve Thermo |
| Rating | 4.2 | 4.1 | Eve Thermo |
| Warranty | 2 years | 1 year | Eve Thermo |
| Connectivity | Bluetooth, Thread Protocol | Zigbee | Eve Thermo |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Screen | YES | YES | Tie |
| Sensors | Temperature | Temperature | Tie |
| Frost Protection | YES | YES | Tie |
| Child Lock | YES | YES | Tie |
What the differences mean
Hub or no hub
The Eve Thermo talks Bluetooth and Thread, so an Apple TV, HomePod or any Thread border router is all it needs. The Sonoff Zigbee Thermostatic Radiator Valve has only Zigbee, and without a Zigbee hub or coordinator it cannot join a smart home at all.
Apple Home and Matter
The Eve Thermo is a native Matter and HomeKit device. The Sonoff Zigbee Thermostatic Radiator Valve reaches Apple Home and Matter only when a SONOFF hub bridges it, so an Apple household with no SONOFF hardware gets nothing from it directly.
External temperature sensor
A valve measures the air right beside a hot radiator, which reads warmer than the middle of the room. The Sonoff Zigbee Thermostatic Radiator Valve can follow an external sensor placed elsewhere, while the Eve Thermo relies on its own reading.
Batteries and size
The Eve Thermo runs on 2x AA and weighs 130g, the Sonoff Zigbee Thermostatic Radiator Valve on 3x AA at 154g and a little taller. Neither documents a battery life figure, so the cell count is the only hard difference here.
Which one to buy if
- your home runs on Apple Home with a HomePod or Apple TV
The Eve Thermo joins over Thread with no extra hub and works with Matter natively.
- you already run Home Assistant with a Zigbee coordinator
The Sonoff Zigbee Thermostatic Radiator Valve joins the existing Zigbee mesh directly and has deep Home Assistant support.
- the radiator sits in a corner far from where you sit
Only the Sonoff Zigbee Thermostatic Radiator Valve can regulate from an external temperature sensor instead of the air next to the radiator.
- you want heating to follow when people leave and come home
The Eve Thermo supports geofencing through a home hub, which its owners credit with cutting heating waste.
Winner
51% OFF
€39.49
€79.95
- + Price: €39.49
- + Rating: 4.2
- + Warranty: 2 years
- - Price: $39.99 vs €39.49
- - Rating: 4.1 vs 4.2
What owners say
Owners of both valves agree on the basics: they fit quickly, frost protection and child lock earn their place, and the valve motor can be audible in a quiet bedroom, a complaint raised on both sides. Past that, the two groups talk about different things. Eve Thermo owners focus on the ecosystem, near-instant pairing in Apple Home, several units syncing reliably and control that keeps working without a cloud account, and they credit presence-based heating with lowering their bills; their complaints are build quality that varies from unit to unit and connections that turn flaky over time. Sonoff Zigbee Thermostatic Radiator Valve owners single out the on-device display, fast recognition by their Zigbee gateway and long battery life, and mention a valve occasionally dropping off the mesh and calibration instructions that could be clearer.
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Eve Thermo
- Sonoff Zigbee Thermostatic Radiator Valve
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Frequently Asked Questions
Which is better overall: Eve Thermo or Sonoff Zigbee Thermostatic Radiator Valve?
The Eve Thermo, for most homes without a Zigbee network. It connects over Thread and Bluetooth, supports Matter and HomeKit natively and needs no dedicated hub. The Sonoff Zigbee Thermostatic Radiator Valve is the better fit for Zigbee and Home Assistant setups, and it adds external temperature sensor support.
What is the biggest difference between the Eve Thermo and the Sonoff Zigbee Thermostatic Radiator Valve?
The radio. The Eve Thermo uses Thread and Bluetooth and is a Matter device, while the Sonoff Zigbee Thermostatic Radiator Valve uses Zigbee only and requires a Zigbee hub before any app or voice assistant can control it.
Does the Sonoff Zigbee Thermostatic Radiator Valve work with Apple Home like the Eve Thermo?
Only through a SONOFF hub, which bridges it to Apple Home and Matter. The Eve Thermo works with Apple Home on its own, needing just a Thread border router such as a HomePod mini or Apple TV.
Can either valve use an external temperature sensor?
The Sonoff Zigbee Thermostatic Radiator Valve can, which helps when the radiator heats the air around the valve faster than the rest of the room. The Eve Thermo does not support external temperature sensors.
Who should buy the Eve Thermo?
Apple Home and Matter households that want per-radiator control without adding a hub, value local operation without a cloud account and want presence-based heating through geofencing.
Who should buy the Sonoff Zigbee Thermostatic Radiator Valve?
Home Assistant and Zigbee2MQTT users who already have a Zigbee coordinator, want an on-device screen on every radiator and would like to regulate from an external temperature sensor.
Full comparison table
Compare all 13 Radiator Valves side by side
You are looking at two of them. The full table lines up all Radiator Valves in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 13 Radiator Valves
- 34 specs compared
- 31 filters
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3.4(54)20% OFF$54.95$43.95
Wall SwitchesEveLight Switch (EU)
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Water Leak SensorsEveWater Guard
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Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
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Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
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CamerasSonoffCAM GlassView
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CamerasSonoffCam Outdoor DUO
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CamerasSonoffCam Slim Gen2
4.4(172)$19.90
CamerasSonoffGK-200MP2-B
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DonglesSonoffDongle Max
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DonglesSonoffDongle Plus MG24
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