Shelly BLU TRV vs Sonoff Zigbee Thermostatic Radiator Valve

Sonoff Zigbee Thermostatic Radiator Valve wins with its lower price, higher owner rating, frost protection and child lock. Shelly BLU TRV counters with a 2-year warranty, long battery life, SmartThings support and quieter regulation.

The bridge. The Sonoff speaks Zigbee to any compatible hub, which Home Assistant and Zigbee2MQTT users usually already run. The Shelly speaks Bluetooth and requires a powered Shelly BLU Gateway nearby, whose placement determines reliability. Feature-wise, the Sonoff adds safety features; the Shelly adds SmartThings.

Yes. The Shelly BLU TRV pairs with Shelly BLU H&T sensors via its gateway, and the Sonoff Zigbee Thermostatic Radiator Valve pairs with SONOFF Zigbee temperature sensors, so both can regulate on the room's true temperature instead of the reading beside the hot radiator.

The Shelly BLU TRV, whose owners consistently describe regulation as quiet and precise. The Sonoff Zigbee Thermostatic Radiator Valve's motor can be audible when adjusting, which some owners notice in bedrooms.

Choose Shelly BLU TRV if quiet operation, the 2-year warranty and SmartThings support matter, or you already own a Shelly BLU Gateway and sensors. It is the precision pick for Shelly-ecosystem homes.

Choose Sonoff Zigbee Thermostatic Radiator Valve for the best value in a Zigbee home: better rated, cheaper, with frost protection, child lock, external-sensor accuracy and first-class Home Assistant support.