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Variable Speed Drive Chillers Save Energy

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Up to 30% energy savings under real-world operation

In this article, the experts of Johnson Controls explains why Variable Speed Drive (VSD) chillers can have a bigger impact on energy efficiency while maintaining operating reliability.

This article explains how improving energy consumption while maintaining employee comfort and safety is a top concern of manufacturers, and how the Environmental Protection Agency (EPA) recommends VSDs as a way to improve efficiency while still providing comfortable operation:

“Using chillers with VSDs is a proven way to optimize energy utilization at full and part load, as well as under design and off-design conditions at varying ambient temperatures. In such cases, VSDs, also known as variable frequency drives (VFDs) or DC inverters, can cut a chiller’s annual energy costs by 30 percent or more.”

The article goes on to share how energy savings quickly recoup the initial investment in VSD technology and how that savings continues for the life of the chiller.

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