International Mechanical Code, 2015, ICC (Amazon cover art is wrong)
2.
NFPA 54: National Fuel Gas Code, 2009, NFPA
3.
Refrigeration & Air Conditioning Technology, 8th or 9th Edition, 2020, Cengage Learning
A practice exam is currently NOT AVAILABLE
This page is being provided for research and links to books sources only. We do not have an expected date for availability. This page may have changed since your last visit. Please refresh using the F5 key on your keyboard or swipe down from the top of your mobile browser window.