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Variable Speed and VRF: Sell the Benefits
2017/03/29
March 27, 2017
Compression Solutions: Premium rooftop units may offer variable-speed compressors, but most OEMs defer to other compression solutions with multiple stages of capacity. Photo courtesy of Emerson
 
What do contractors and their customers need to know when discussing variable-speed versus variable refrigerant flow (VRF) compressors? What benefits does each technology offer to customers and what applications are these technologies best suited for?
 
Bill Dietrich, product general manager, chillers, Daikin Applied, offered a helpful background on the topic. He began by noting that for this discussion, he would focus on positive-displacement compressors (scrolls, screws, and reciprocating).
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