Paul Mueller Company

Chiller Excellent

Mueller's Chiller Excellent is the most energy-efficient cooling system in the world. Used for instant cooling as well as for additional cooling, this chiller is designed for ease of operation and installation utilizing the high-quality scroll condensing unit which saves energy and provides for lower electrical cost. The Chiller Excellent, in conjunction with an Accu-Therm Plate Heat Exchanger, can be used for either instant cooling or heavy pre-cooling, depending on the dairy needs.


  • Suitable for 4 direct expansion condensing units of 15 HP maximum, each of 35 kW maximum cooling capacity per unit (not suitable for use with E-Star condensing machines)
  • 3 HP circulation pump
  • Stainless Steel frame, Stainless Steel plating
  • Insulated water bin of 500 liters
  • Water line to be connected with PVC piping, minimal diameter of 75 mm, pipe length with a maximum of 25 meter one way. (Totally 14 elbows)
  • Flow-switches to prevent freezing
  • Multi-stage chiller control cabinet with temperature controls, circulator pump contactor, on/off switch, and remote start
  • Anti short cycle facility for condensing units
  • Electrical power 400V 50Hz 3Ph 16A
  • Sight glass, expansion valve, Freon valve

Specifications and Sizing

Model Empty Weight (kg) Length (mm) Width (mm) Height (mm)
Excellent 680 2,337 1,297 1,067
AT20-DFM91 638 990 590 1,245


Our Dairy Farm Partners

We are proud to partner with these leaders in the dairy farming industry. From legacy farms that have thrived through multiple generations to solar cooling in Africa that is providing young children their first taste of cold milk, our equipment is impacting lives around the world.

BoP Innovation Center Dairy Campus Loohuis Agro Neutraal Lely