Shaping Tomorrow's Built Environment Today

Variable Refrigerant Flow Systems: Technology Introduction

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Course Length: 3 hours

This course provides an overview of variable refrigerant flow (VRF) technology including equipment and system types, heating/cooling operation, heat recovery and the benefits of VRF systems. Also described is the VRF design process including load profile analysis, unit sizing, ventilation air strategy, refrigerant piping design, and system monitoring/controls. Refrigerant safety considerations are explained, including a discussion of ASHRAE Standards 15 and 34. The course concludes with a focus on human comfort and sustainable design, featuring example buildings, ventilation systems, and VRF system layouts.

Course Instructor

Dermot McMorrow, PEng, CEng, MCIBSE >>

Additional Information

All courses are available for Chapter and In-Company Programs. Courses may be periodically scheduled for the Winter and/or Annual Conference Education Programs, as well as the Online Courses Series.

Chapters or Companies: Contact Karen Murray, Manager of Professional Development ( or 678-539-1146), to schedule an ALI seminar or course at your organization or event.

Availability: Check the various offerings listed under Professional Development > Learning Portal to see if this course is being offered at an upcoming event.