What makes a thermostat 'smart'
Smart thermostats connect to your home Wi-Fi so you can change settings from an app. Depending on the model, they can also learn your routine, notice when everyone's left home, account for the weather or show how long the heating has run.
Compatibility
Most smart thermostats work with most gas boilers, but the way they connect varies. Some boilers support a more advanced communication method that lets the thermostat adjust the boiler's output rather than simply switching it on and off. A heating engineer can check what your boiler supports.
- Check the thermostat works with your boiler model
- Consider whether you also need hot water control
- Ask whether the system can be zoned later
- Think about smart radiator valves for room-by-room control
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Are they worth it?
They're most useful for people with irregular routines, homes that are often empty, or anyone who forgets to change settings. If your routine is fixed and you already use a programmer well, the difference may be smaller.
