Ammonia Refrigeration

The ROLLS EXPERTS specialize in the environmentally friendly ammonia refrigerant systems that ensure our customers a piece of mind.

In today’s very competitive high tech industry, L. J. Rolls Refrigeration provides highly qualified engineers, project managers and service technicians that have the experience needed to design, install and service your facilities ammonia refrigeration equipment.

Specializing in industrial ammonia refrigeration requires an extensive amount of comprehension that can be applied diversely which allows us to help you come in under budget every time.

The ROLLS EXPERTS have cultivated years of knowledge and have achieved the high level of professionalism of the IIAR and the IARW so we can continuously accommodate all expectations of effective, efficient and safe operations of various types of equipment

Areas of Expertise

  • Design/Build
  • Equipment and Component Sales
  • Emergency Response

  • Automated Controls

  • Installation/Service

  • Ice making equipment

  • On site personnel training

  • Engineering of packaged and skidded systems

  • PSM project consultation


The ROLLS EXPERTS specialize in codes and standards for the application of ammonia systems compliant with ASHREA, OSHA, ASME, IIAR and the EPA for the following systems:

  • Cold Storage Warehousing
  • Ammonia Process Water
  • Meat and Poultry
  • Blast and Flash Freezing
  • CO2 Systems 
  • Fruits and Vegetables 
  • Beverage Facilities 
  • Ice Cream Facilities 
  • Cheese and Dairy 


Ammonia Compressors 

Sales, installation and service of all ammonia equipment and components are readily available to match your needs.

Compressors: Vilter, FES, Frick, Howe.

Condensers: Bac, Emeco, and Evapco.

Evaporators: Krack, Niagra, Evapco.

Pumps: Cornell, Hansen, and Viking.

Components: Parker RS, Hansen, Dan Foss, Sporlan.


24-hour emergency service available for all mechanical and refrigeration systems