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.