Definition: A smart thermostat controls heating remotely, learns your schedule, and uses presence detection or weather data to cut waste — typically saving 8-12% on heating bills.
Costs
Units cost £120-£250 plus around £50-£100 fitting. Popular options include Nest, Hive and Tado; check compatibility with your boiler or heat pump before buying.
Real savings
Savings come from heating less when you’re out or asleep. Room-by-room control with smart TRVs adds further savings in larger homes.
Estimate your numbers: try the free savings calculator or browse all upgrade guides.
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