Paul Mueller Company

LSA Series Chiller

Paul Mueller Company's LS/LSA/LSC chillers are the most energy-efficient milk cooling systems in the world. Used for instant cooling as well as for additional cooling, these chillers are designed for ease of operation and installation utilizing the high-quality scroll and discuss condensing units which save energy and provides for lower electrical cost. The LS/LSA/LSC chillers, 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.

Defining Features

  • Indoor
  • Accelerated Delivery
  • Flexible Requirements


  • Durable, polished stainless steel cabinet prevents corrosion and contamination.
  • Large removable covers for easy accessibility.
  • Insulated stainless steel storage tank includes an external sight glass to indicate fluid level and a 20- mesh screen on the outlet to prevent particles from entering the pump and heat exchanger.
  • A stainless steel evaporator is engineered for 5° approach temperatures for increased refrigeration capacity and fast, efficient cooling.
  • Compact and easy-to-install for varying applications.
  • Discharge water is monitored, controlled, and displayed for operator interface with a digital temperature indicator.
  • A factory-installed, high-volume pump is pre-wired with manual reset overload protection.
  • All water circulation lines are 3" copper with 150#, 4-bolt, 3" flange connections.
  • Manufactured exclusively by Paul Mueller Company.
  • Quality assured. Customer satisfaction guaranteed.

Specifications and Sizing

Model No. HP Voltage Condensing Unit
Length (in) Width (in) Height (in)

Weight (lb)

LSA60-10 60 208-240/60/3
(6) 10 hp Discus or (6) 9 hp Scroll 94.375 54 58 2,000
LSA90-15 90/120 208-240/60/3
(6) 15 hp or (6) 20hp Discus 94.375 54 58 2,000
LSA180-30 150/180 208-240/60/3
(6) 25 hp or (6) 30 hp Discus 94.375 54 58 2,000
LSA240-40 210/240 208-240/60/3
(6) 35 hp or (6) hp Discus 94.375 54 58 2,000

*Condensing units are not included with the chiller.

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.

Hoffman Family Farm Shatto Milk Company Aurora Organic Dairy Edgewood Creamery