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Which? can help you make good decisions
Are smart thermostats worth it?
How much can you save on your energy bills with a smart thermostat, and how long will it take to pay for itself? Our research reveals all you need to know.
How to buy the best smart thermostat
Use our smart thermostat reviews and guide to smart thermostat features to choose the smart thermostat that's right for you and your home.
Smart thermostats comparison table
Compare different smart thermostat systems side by side, as we reveal the differences between smart heating control systems such as Hive, Nest and Honeywell.