Best Smart Radiator Valves UK 2026: Head-to-Head Comparison of the Top Models

Smart radiator valves (TRVs) let you control the temperature of individual rooms from your phone — cutting heating bills and eliminating cold spots. This head-to-head comparison of the top models available in the UK in 2026 covers Tado, Drayton Wiser, Honeywell Home, Netatmo, and Hive, with current UK pricing and a clear verdict on which suits different home setups.