Thermostat Wiring Explained (with or without a C wire)

This video explains the purpose of each wire connected to a low-voltage thermostat. What is a C-wire and why do smart thermostats need one? I'll show how you can install a smart thermostat even if your system doesn't have a C-wire. 👉🏻👉🏻Watch how I installed 2 ecobee smart thermostats in my home -    • ecobee SmartThermostat with voice con...   ➤➤Find ecobee thermostats on Amazon - handydad.tv/bjqe ✔︎Follow me on Facebook, Instagram and Twitter @HandyD

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