Protocol – OLP (Outdoor Low Profile Unit)
The OLP mounts on the roof directly above its case load for ease of installation and traditional charge reduction benefits.
Display Cases
Protocol – 8 Compressor Unit
The new 8 compressor unit will allow you to pack more refrigeration capacity into a single horizontal enclosure.
Transcritical CO₂ Rack System
Transcritical CO₂ Rack System operates with a 100% natural refrigerant (R-744, CO₂). It operates efficiently in low and medium temperature applications.
Pump Station
Pump Station is part of a medium temperature secondary refrigeration system that uses water and a 30-35% propylene glycol mixture to cool the refrigeration loads.
Protocol SPI / SPO
Low refrigerant charge indoor (SPI) and outdoor (SPO) distributed systems designed for close proximity to walk-in coolers, freezers, and cases.
Protocol HE (High Efficiency)
A Proven Supermarket Refrigeration System for Reducing Refrigerant Charge and Installation, Construction & Operating Cost
Proto-Aire XP
Proto-Aire XP is the latest innovation in Protocol distributed systems designed for small format stores.
Proto-Aire EZ
Proto-Aire EZ is the latest innovation in outdoor, multi-compressor refrigeration systems.
Proto-Aire
Small footprint outdoor Protocol unit with integral air-cooled condenser.
Port-A-Rack
Port-A-Rack is a flexible, outdoor rack solution that can be installed on the building roof or slab.
Port-A-Pak
The pre-packaged outdoor “Equipment Center” that simplifies refrigeration, electrical, and HVAC installation.
Parallel Rack
Hussmann pioneered the development of integrated refrigeration systems and now offers a complete selection of advanced parallel racks which can be custom designed for any supermarket application.