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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.
Hesham Safwat , Ph.D., Member ASHRAE
Includes course admittance, course materials, Certificate of Attendance and course recording.$284 ($218 ASHRAE Member)
Group Discount Fee: Enroll 3 or more participants at the same time and save. Email Ayah Said at asaid@ashrae.org for group registration assistance.
Developing economy fees available. Click on register now or Contact Ayah Said asaid@ashrae.org
Cancellation and Refund Policy: Course registration fees will be refunded in full if cancellation is received by ASHRAE Customer Service at orders@ashrae.org before 12:00 noon, seven working days prior to the course date. Cancellations received between three and seven working days prior to the course date are subject to a $25 cancellation fee. Registrants who do not attend a course or cancel less than three working days prior to the course date are liable for the entire course registration fee. Registration fees can be transferred by contacting orders@ashrae.org. Member/Non-Member rates will apply to the substitute registrant.
What is a Variable Refrigerant Flow System
VRF and AHRI Standard and Part Load Calculation
System Design, Design Considerations and Design Example
Questions and Answers
Air Ventilation Strategies
VRF Ventilation LEV Kit
DOAS Unit Design Workshop Residential
Application #3 Safety Considerations for VRF Systems
Application # 4 LEED Platinum Office Application Air-Source VRF
Application # 5 High-Rise Residential Application Air-Source VRF
Questions & Answers