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A Closer Look at Chiller Ratings

For years, the HVAC industry has struggled to find easier ways to quickly evalu ate the performance of central chiller plants. With accelerating pressure to increase design productivity, the desire grows stronger for a quick, simple and accurate evaluation tool to analyze chiller plant performance. This demand for quick results has led many in the HVAC industry to use single number evaluation methods such as IPLV (integrated part load value) as a substitute for executing a complete hour-by-hour modeling analysis.

By W. Ryan Geister and Mike Thompson
July-September 2010

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