This comprehensive book has been developed to quickly train an average person for the vast commercial and residential refrigeration and air-conditioning market

This Ebook is dedicated to those who are eager to learn the HVACR Trade and Refrigerant Charging/Troubleshooting Practices. In this book, you will find Step by

Now in its Second Edition, this training manual was written by industry renowned presenter and author, Michael Prokup. This e-book is a comprehensive reference

Technical instructor and HVAC expert Jerry Clemons completely covers both air-conditioning as well as heating systems, so you can save money repairing your own