meross
Meross Smart Thermostat, for Electric Underfloor Heating, with Timer, Programmable and Multi-room Control, Hubless, Voice/Remote Control, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant
Honeywell
Evohome smart wireless zoning thermostat - works with Alexa
ESI - Energy Saving Innovation Controls
ESI - Energy Saving Innovation Controls ESCTDEB ESI Controls Electronic Dual Cylinder Thermostat, White