The HT-65 smart thermostat is a high-performance control solution for electric heating systems, including baseboard heaters, fan-forced units, convectors, and in-ceiling radiant heating. By accurately sensing ambient temperature, it maintains your preferred comfort levels by intelligently switching the heating device on or off.As a reliable electrical heating controller, HT-65 is ETL certified, meeting rigorous UL safety standards for line-voltage electric heating systems in the US and Canada. Item No.: HT-65 Flexible Programming: Easily set different temperatures for various times of the day to suit your lifestyle via the Smart Life app. Energy Consumption Monitoring: Keep track of your energy usage directly through the app to optimize heating efficiency. Advanced Safety: The built-in child lock prevents accidental adjustments, ensuring stable operation in households with children. Intelligent Energy Saving: The "Open Window Detection" function automatically stops heating when a sudden drop in room temperature is detected (default 2°C in 15 minutes).