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The Foundation
Feb 4, 2025

Introduction to HVAC VRF Units
The Henry Chang Foundation hosted its first class of 2025, a 5-day course led by NYC Licensed Refrigeration Engineer Rocco Rinaldi and Keith Wranovics, focused on an introduction to HVAC VRF Split units. The in-person course covered installation, maintenance, service and design, with hands-on labs including brazing, bending, flaring, swedging copper tubing, and vacuum and pressure testing of VRF systems. The foundations plans to offer more classes in the future.
If you are interested in signing up for the next class
https://www.henrychangfoundation.org/courses






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