Commercial AND Military Aviation Ground Support Cooling

Northern Air Systems Tru-Temp™ Pre-Conditioned Air (PCA) Units are designed and built for commercial and military aviation.

Northern Air uses state-of-the-art control systems and industrial grade components for highest reliability and longest life. Northern Air PCAs can be ground mounted, cart mounted, or bridge mounted and are ETL Inspected and Labeled to UL-1995.  Meets IATA AHM 974. 

No other aviation PCA manufacturer offers the same quality and reliability.

Top-of-the-line Aviation Cooling

  • Built to meet commercial and military standards
  • Rugged construction for high reliability in the most demanding environments
  • Provides a constant 32° F to 34° F airflow without a defrost cycle
  • Designed for 24/7 operation under high-loaddemands
  • Available with worldwide voltages
  • Scroll compressors
  • Wide-spaced coil fins
  • ECM condenser fan motors
  • LCD screen for diagnostics display
  • Pressure transducers for pressure readout
  • 1000 hour salt spray powder-coated finish
  • Gatorshield® welded tube frame construction
  • Removable doors with tool access hardware
  • Factory-mounted power disconnect

Pre Conditioned Air Units


DX (Direct Expansion) units are the most common PCA design in use today.  Northern Air Systems DX Units minimize infrastructure investment while providing support for all types of aircraft from Reginal Jets to the largest commercial aircraft flying such as the A380 and 747.

  • Completely Self Contained Units
  • Provides a constant 32°F to 34°F 
  • PMDC – Never stops blowing cold air
  • Single or Dual Outputs
  • Optional Bridge Pre-Cool 

CW+DX Hybrid

Our CW+DX systems are a superior choice for hangar operation and also ideal for ramp operation where underground duct and pits are available to control airflow, pressure and temperature needs for commercial aircraft.  

  • Only PCA unit able to supply -18°C and -10°C supply air
  • Highest energy efficiency utilizing CW at 0.7 KW/Ton
  • Complies with Airbus “Subfreezing PCA Carts – Compliance Document for Suppliers”


Northern Air Systems is a trusted partner for replacement AHU centralized systems that remain in service. 

  • Provides sub-freezing discharge at the unit of 25°F (-4°C) 
  • After delivery, system maintains 34°F (1°C) at aircraft connector
  • Extremely Light Weight


The Northern Air Tru-Temp™ Military Pre-Conditioned Air Units are the most advanced and flexible fighter support systems available today. They are high pressure, self-contained units designed for
hangar, shelter and remote parking positions. They are available for fixed or mobile applications in all-electric or diesel driven configurations.

The superior design of Northern Air Tru-Temp™ PCAs provides support for latest Generation Fighters like the F-35 and F-22 as well as legacy aircraft such as the F-15, F-16 and F-18. It also supports a number of military UAV’s such as the Reaper and Global Hawk.


  • Mobile and cart mounts
  • Bridge and rotunda mounts
  • Integrated internal bridge cool
  • Apron management system interface (Ethernet or Modbus)
  • Customized programming compatible with existing BMS
  • Multiple control points for unit operation
  • Touch screen controls
  • High-capacity heaters
  • Delivery hose and connectors
  • Hose storage and retrieval systems
  • Coil phenolic coating
  • Condensate pump(s)
  • Fire/smoke detection
  • Remote monitoring
  • VFD controlled compressor for energy savings
  • Aircraft cabin or bridge temperature probes


Norther Air is ISO 9001:2015 Certified.
We can also meet optional NRTL certifications in accordance with UL, CSA and CE standards.

Our Customers

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