What are the steps involved in HVAC transformer replacement?

The steps involved in HVAC transformer replacement are:

1. Turn off power to the HVAC system.
2. Locate the transformer and disconnect the wires.
3. Remove the old transformer from its mounting.
4. Install the new transformer in the same location.
5. Connect the wires to the new transformer.
6. Turn the power back on and test the system to ensure it is working properly.