Tri-rotor Screw Chiller


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The World’s First

integrated water-cooled variable-speed screw chiller 



Incorporating significant breakthroughs in water-cooled chiller technology, 23XRV series provide excellent reliability and achieve superior efficiency at true operating conditions without compromising the environment. Quality design and construction make the AquaEdge® 23XRV chillers the best choice for modern, efficient chilled water plants.



Up to


@AHRI conditions

Up to


@AHRI conditions

Up to


flow rate change 

Three screw rotors and

a variable-speed motor

are the only moving

parts; there are no



  •  No surge
  •  No purge
  •  No shaft seals
  •  No guide vanes
  •  No slide valves
  •  No chlorine
  •  No refrigerant pumps
  •  No pressurization systems
  •  No bearing capacitors to change
  •  No pumps, hoses or clamps for VFD
  •  No glycol cooling required for VFD

U.S. General Services

Administration (GSA)

proving ground


Variable-speed screw technology raises the bar on chiller performance. US government study finds variable-speed screw technology, like that in Carrier’s 23XRV, was 11% more efficient, more versatile and required less maintenance than mag-bearing technology.


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