You can use the HR91 Wireless Radiator Controller, the newest member of the Evohome WiFi Smart Zone Control system controller family, for underfoot places where you would not prefer the HR92 Electronic Radiator Controller.
The HR91 pairs seamlessly with Evohome WiFi with bidirectional 868 Mhz radio frequency communication and adjusts the radiator temperature accurately according to the commands from the Evohome WiFi controller. With its slim and ergonomic design, HR91 controllers are compatible with standard TRV bodies, which will fit perfectly into the design of your home.
You can prefer the HR91 in all environments where the HR92 screen will not be used.