HVAC Low voltage control wiring (Basics For Beginners)

Learn how HVAC low voltage control wiring works from start to finish. This beginner-friendly video breaks down the full circuit path—from the thermostat, through the transformer and relays, to the HVAC equipment itself.

Whether you're working on a furnace, air handler, or condensing unit, this tutorial covers the wiring logic behind heating and cooling calls, fan control, and common terminal functions.

📌 Ideal for: HVAC students, new techs, DIY homeowners, and anyone trying to understand how 24V HVAC control wiring really works.

Detailed drawing (Jpeg) here in description:

Image: https://ibb.co/9gL4X5V