How to Connect an Unused C Wire (Common Wire)

How to connect an unused c wire in your furnace compartment. Firstly make sure you have a C wire. In order to see if you have one, refer to this video:    • How to Tell if Your Thermostat Has a C Wire   Once you follow the steps in this guide and have a C wire that is connected you can now install your choice of smart thermostat! Some thermostats even allow the use of without a c wire, by using an adapter or wire extender kit. My Top Smart Thermostats EcoBee Smart Thermostat: https://amzn.to/3JWcRmM Honeywell Smart Thermostat: https://amzn.to/4oIFP99 Nest Smart Thermostat: https://amzn.to/4oJxMc5 As an Amazon Associate, I earn from qualifying purchases