Smart Home Energy 
If you have a combi boiler and want app-based heating control, the Hive Mini does the job for £135 — and if your boiler supports OpenTherm, you'll get up to 12% lower gas bills without changing anything else.
Problem it solves
Reduces heating bills by scheduling and remotely controlling a combi boiler, with OpenTherm support for improved efficiency and lower gas consumption.
Who it's for
Homeowners or renters with combi boilers who want app-based heating control and better efficiency, especially those with OpenTherm-compatible boilers.
Why we recommend
Great price for a quality smart thermostat.
Savings
- Typical annual saving
- £75–£150/year depending on current heating habits and OpenTherm compatibility
- Payback period
- 2–3 years
