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Load-based testing is intended to better represent the energy consumption of HVAC equipment in real-world conditions, especially variable capacity and climate-specific systems and accessories. Rather than testing at a fixed entering condition, load-based testing targets various loads and ambient conditions, to develop a performance map for the system. Load-based testing is intended to capture the impact of accessories, like economizers, variable speed components, staging, evaporative strategies and control algorithms. This seminar covers the need for unitary commercial equipment load-based testing and several approaches to develop system performance maps.

1. Introduction
   Mira Vowles, Member
   Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)
2. The Shortcomings of Traditional Single-Number Efficiency Metrics, and the Potential Value of a Load-Based Rating Method
   Jonathan Woolley, Member
   Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)
3. Research to Develop and Use a Load-Based Method of Test
   Reid Hart, P.E., Member
   Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)
4. Load-Based Testing of Variable Refrigerant Flow Systems
   Ron Domitrovic, Ph.D., Member
   Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)
5. Laboratory and Field Performance Testing of Climate-Appropriate Commercial Air Conditioners
   Mark Modera, Ph.D., P.E., Fellow ASHRAE
   Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)