The Fundamentals of VRF

On Demand Until September 18, 2020

Duration:60 minutes


As the HVAC market continues to expand and Variable Refrigerant Flow (VRF) technologies continue to evolve, the demand for contractors with VRF expertise will only grow. This presentation provides thorough insight into the requirements, advantages and opportunities associated with specifying VRF systems and addresses the common misconceptions contractors may encounter in the field. Additionally, the speakers will detail VRF-specific concepts including simultaneous heating and cooling as well as how VRF fits within building industry trends such as Strategic Electrification.

Learning Objectives:

  • Identify VRF system components as well as basic best practices for applications and installation.
  • Describe VRF-specific concepts and how VRF fits within building industry trends.
  • Explain the similarities and differences between VRF systems and traditional HVAC systems regarding functionality, performance and installation requirements.
  • Dispel common myths and misconceptions about VRF systems including those related to ACCA sizing guidelines, wiring, piping and maintenance.
  • Make a case to company leadership and clients describing the advantages, opportunities and available resources associated with specifying, applying and installing VRF systems.

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Kevin Miskewicz

Sr. Director Vertical Markets
Mitsubishi Electric Trane HVAC US LLC

Kevin leads the development and execution of commercial product strategies for Mitsubishi Electric Trane HVAC US. Most recently, Kevin served as director of commercial marketing, leading the marketing strategies, programs and initiatives for the division’s commercial product line. He is a certified LEED® Green Associate.

Before joining Mitsubishi Electric in 2014, he was the product manager for condensing units and controls at Heatcraft Worldwide Refrigeration, Stone Mountain, Georgia, and previously held global marketing and product management roles in the Consumables division at NCR Corporation, Atlanta.

He earned a bachelor’s degree in business administration from the University of Dayton.

Mike Machemehl PE, CEM, LEED Green Associate

Sr Manager Commercial Channel Strategy

Mitsubishi Electric Trane HVAC US

Senior Manager, Commercial Channel Strategy
Mitsubishi Electric Trane HVAC US LLC

As the Senior Manager of the HVAC Commercial Channel for Mitsubishi Electric Trane HVAC US, Mike is part of the team that creates sales, marketing and channel development plans for the commercial markets in the United States for the CITY MULTI® Commercial VRF product line. A graduate of The Ohio State University, Mike is a registered Professional Engineer in the State of Ohio, a Certified Energy Manager (CEM), a LEED Green Associate and has over 30 years of experience in the commercial HVAC market, including 19 years as a Trane Account Manager in the Columbus, Ohio market. Mike is also an accomplished speaker in the building industry, having presented to a multitude of professional organizations including AIA, ASHRAE and USGBC.



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