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Protocol HE (High Efficiency)

Product Details

A Proven Supermarket Refrigeration System for Reducing Refrigerant Charge and Installation, Construction & Operating Cost 

  • Reduces refrigerant charge, normally by 60-80%.
  • Uses approximately 50-75% less refrigerant piping.
  • Requires approximately 50-75% fewer braze joints.
  • Lessens likelihood of refrigerant leaks.
  • Uses HFC refrigerants. No CFC or HCFC refrigerants needed.
  • Eliminates or decreases the need for EPRs.
  • Eliminates the need for a machine room and associated costs.
  • Lowers installation costs.
  • Provides back-up protection and load matching with multiplexed compressors.
  • Off-time, modular, electric or gas defrost.
  • Air or water cooled.
  • Energy cost savings over most traditional back room systems.

Learn more about regulations and how our product solutions address these needs!

Product Regulations Card

New store installations


  • Systems with <50 lbs charge: Can use SNAP-approved refrigerants with a GWP < 2,200.
  • 2026 Update: The AIM Act will require systems with <200 lbs charge (including CARB’s <50 lbs) to use refrigerants with a GWP ≤ 300.
  • Systems with >50 lbs charge: Must use SNAP-approved refrigerants with a GWP < 150.
  • CARB Sustainable Solutions