Best Thermostats & Heating Controls UK (2026) — Page 6

Pros

• Wired install gives a reliable always-on connection
• Geofencing pauses heating automatically when everyone is out
• Works with Amazon Alexa, Siri and Google Assistant

Cons

• Wired install is more involved than a battery thermostat
• Some advanced features need a subscription

Pros

• OpenTherm support modulates the boiler for smoother heating
• Simple companion app for schedules and holiday mode
• Works with Amazon Alexa and Google Assistant

Cons

• A combi boiler is required for this specific kit
• Hive Hub needed alongside the thermostat

Pros

• Controls both heating and hot water schedules separately
• Built for conventional (non-combi) boiler systems
• App and voice control via Alexa and Google Assistant

Cons

• Setup is more involved than a combi-only thermostat
• DIY install not recommended — pro fitting advised