Radiator Valves · Head to head

Aqara Radiator Thermostat E1 vs Shelly BLU TRV

Full Smart Radiator Valves comparison in 2026

Updated July 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
Ecosystem reach beats endurance here: the Aqara Radiator Thermostat E1 wins on price, rating, integrations, geofencing and frost protection, connecting HomeKit, IFTTT and Matter through an Aqara hub, pre-heating by location, protecting pipes and pairing external temperature sensors, all for less money. The Shelly BLU TRV makes the endurance case: a 2-year warranty versus 1, about 2 years per battery set versus 1, famously quiet precise regulation and its own external Shelly BLU H&T sensor support, bridged through a required BLU Gateway with no HomeKit or Matter path. Displays and manual scheduling are shared. Most smart homes get more from the better-rated Aqara; quiet bedrooms and Shelly households pick the BLU TRV.
FeatureAqara Radiator Thermostat E1Shelly BLU TRVWinner
Price€36.99$64.99Aqara Radiator Thermostat E1
Rating3.94.0Shelly BLU TRV
Warranty1 year2 yearsShelly BLU TRV
Battery Life1 year2 yearsShelly BLU TRV
ConnectivityZigbee2.4 GHz WiFi, BluetoothShelly BLU TRV
IntegrationsGoogle Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, MatterGoogle Home, Alexa, Samsung SmartThings, Home AssistantAqara Radiator Thermostat E1
GeofencingYESNOAqara Radiator Thermostat E1
Frost ProtectionYESNOAqara Radiator Thermostat E1
ScreenYESYESTie
SensorsTemperatureTemperatureTie
Child LockNONOTie

Frequently Asked Questions

Which is better overall: Aqara Radiator Thermostat E1 or Shelly BLU TRV?

Aqara Radiator Thermostat E1 wins with its lower price, higher owner rating, HomeKit and Matter access via an Aqara hub, geofencing and frost protection. Shelly BLU TRV counters with double the warranty (2 years), roughly 2-year battery life and notably quiet, accurate regulation.

What is the biggest difference between Aqara Radiator Thermostat E1 and Shelly BLU TRV?

Ecosystem reach. The Aqara covers Google Home, Alexa, Apple HomeKit, Home Assistant, IFTTT and Matter through its Zigbee hub. The Shelly talks Bluetooth to a Shelly BLU Gateway and integrates with Google Home, Alexa, SmartThings and Home Assistant, with no HomeKit, IFTTT or Matter path.

Do both support external temperature sensors?

Yes, and it is a strength of each: the Aqara Radiator Thermostat E1 pairs with Aqara Temperature and Humidity Sensors, even in HomeKit, while the Shelly BLU TRV pairs with Shelly BLU H&T sensors via its gateway. Both avoid the radiator-heat-skew problem that trips up built-in sensors.

Which lasts longer between battery changes?

The Shelly BLU TRV, rated around 2 years on two AA cells versus about 1 year for the Aqara Radiator Thermostat E1. The Shelly also carries the longer 2-year warranty, useful since some Aqara owners report mechanical wear over time.

Who should buy Aqara Radiator Thermostat E1?

Choose Aqara Radiator Thermostat E1 for the better-rated, cheaper valve with geofencing, frost protection and the widest platform reach including HomeKit and Matter, especially alongside an existing Aqara hub or Home Assistant.

Who should buy Shelly BLU TRV?

Choose Shelly BLU TRV if quiet operation, battery endurance and warranty length matter most, and your home runs on Google Home, Alexa, SmartThings or Home Assistant. Keep the required Shelly BLU Gateway powered and well placed for solid Bluetooth range.

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