Breadcrumb Home Air Conditioning & Refrigeration Technology ACR 153 ACR 153: FUNDAMENTALS OF PROPANE SYSTEMS Download as PDF Class Program Air Conditioning & Refrigeration Technology Credits 3 Lecture Hours 1 Lab Hours 4 The purpose of this course is to provide current information, practices, and procedures to educate HVAC and plumbing students on how to design, install, test and operate propane-based HVAC and plumbing systems in a safe and efficient manner.
