Smart Home
Best Smart Thermostats 2026
Sort: undig score
Ranked by aggregated score from Which?, TechRadar, The Verge and Tom's Guide. App-controlled heating thermostats — judged on energy savings, ease of install and smart-home integration.
Which?TechRadarThe VergeTom's GuideTrusted Reviews + more
#1 Overall wireless
Updated August 2026
tado° Smart Thermostat X
The EU favourite — wireless, easy to fit, with room-by-room control and genuine energy savings
THE undig SCORE — 4 SOURCES, UNTANGLED
88
Out of 100
#2 Overall learning
Updated August 2026
Google Nest Learning Thermostat
The iconic learning thermostat — a beautiful dial that programs itself around your habits
THE undig SCORE — 3 SOURCES, UNTANGLED
87
Out of 100
#3 Overall wireless
Updated August 2026
Netatmo Smart Thermostat
The value pick — a Philippe Starck-designed thermostat with no subscription and easy install
THE undig SCORE — 3 SOURCES, UNTANGLED
85
Out of 100
#4 Overall wireless
Updated August 2026
Honeywell Home T6
The dependable scheduler — geofencing and rock-solid reliability from a heating-industry veteran
THE undig SCORE — 3 SOURCES, UNTANGLED
84
Out of 100
#5 Overall wired
Updated August 2026
Bosch Smart Home Room Thermostat II
The ecosystem pick — a tidy wired thermostat that anchors a wider Bosch Smart Home setup
THE undig SCORE — 3 SOURCES, UNTANGLED
83
Out of 100