How to Install ecobee Smart Thermostat Essential for Homes Without a C wire

ecobee Smart Thermostat Essential can be installed without a C wire by using the Power Extender Kit, or PEK, sold separately. Watch this video for how to navigate installing the PEK at the control board of the furnace, and the specific wiring of the thermostat. Learn more: https://bit.ly/43cNLaH