This 20 hour course is designed to give you the tools and techniques to begin practicing aural piano tuning. It will not turn you into a piano technician. For that, you will need more courses and more practice, as well as networking with other technicians and getting as many resources as you can. But this course will definitely jump start you in that direction.
In this course you will learn the extremely demanding and effective Go APE method that forces you to work on unisons and stability, which are the hallmarks of a great piano tuner.
These live hands-on courses are available in different cities. Check the course options to find out dates and times.