How smart thermostats can save you fuel and money

Installing a Google Nest smart thermostat is one way to cut your energy bills. Photograph: Gina Ferazzi/Los Angeles Times/Rex/Shutterstock

With the return to the office in full swing and fuel prices rocketing, smart thermostats offer one relatively easy way to help reduce your energy use without big changes to your central heating system.

These are direct replacements for traditional timers and thermostats that give your boiler a hi-tech upgrade without cancelling out any of its features.