How Does The Ecobee Power Extender Kit Work
All smart thermostats need that C-Wire to run their Wi-Fi, keep their programming working and communicate with remote sensors. Running all these features on batteries will drain them too fast. The solution? Power Stealing, a technology that lets the smart thermostat draw enough power from the control wires without triggering the HVAC system. This is one of the many ways to wire a thermostat without a conventional C-wire. Using the power extender kit is mandatory if you use 2 wire only heating systems....