Allied Commercial

Packaged Rooftop Units

Allied Commercial Z Series

Allied Commercial rooftop equipment is manufactured by Allied Air Enterprises, a division of Lennox International. Their line of packaged rooftop units is designed to offer the flexibility and fit to get the job done fast.

Featuring the Z-Series™
Ranging in sizes from 3 to 12.5 tons, all designed with popular footprint configurations for easier install.

  • Efficiency ratings up to 14.0 SEER, 13.2 IEER and 11.7 EER
  • 3- to 12.5-ton gas/electric and electric/electric models and 3- to 10-ton heat pump models available
  • Matches the most popular footprint in the commercial industry, eliminating the need for an adapter curb in many replacement jobs
  • Up to 61% power savings over comparable units
  • Eco-Last™ Coil System uses up to 52% less refrigerant, is up to 59% lighter, and has up to 20% fewer brazed joints than regular rooftop unit coils
  • High-pressure switch guards the compressor from extreme operating conditions
  • Proven scroll compressor helps long-term operation
  • Tool-less access to filters allows for easy service
  • Common utility connection points allow for faster and easier installations
  • 10-year limited warranty on aluminized gas heat exchanger, 5-year limited warranty on compressor, 3-year limited warranty on Eco-Last Coil System, 1-year limited warranty on covered components


Allied Commercial also offers the Q-Series and K-Series giving a full commercial packaged unit range from 2 to 25 tons.

Contact your sales rep or local Granite Group branch for more information and product availability.


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