Gas prices are volatile and climate change is an existential threat. There has never been a better time to cut your fossil fuel use. Insulating your home is crucial. Dialling down one degree is great. Woolly jumpers are superb. Alternative heat sources are brilliant. And smart heating is part of the answer, at a domestic level.

Do you find yourself heating the whole house, even if you’re only using one room? Does your house heat up on a schedule, even when there’s no-one home? Smart heating promises to replace your boiler controls – buttons, timers, thermostats – with a high-tech alternative.

Basic smart heating controls give you app control of the boiler, to fix scheduling issues by putting whole-house heating controls at your fingertips. Systems like Wunda’s new WundaSmart add wireless sensors and controls in every room, so you can tailor the heating to fit your home life.

Most such smart heating systems put room thermostats in the radiator heads, so...