Optimum™ 15-25 Ton Packaged Rooftop Units

Up to 15-25 Ton

Luxaire® Optimum™ 15-25 Ton ultra-high-efficiency packaged rooftop units deliver improved efficiency with intelligent control and operational flexibility.

  • A/C and heat pump models in convertible airflow configurations
  • Standard (up to 11.2 EER/13.2 IEER), high (12.2 EER/14.2 IEER) and ultra-high (up to 12.2/18.0 IEER) models available
  • Scroll compressors
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Greater Control for Better Efficiency

Optimum™ commercial rooftops units from Luxaire® are designed to meet rising energy costs and expanded performance standards in the same footprints as existing Luxaire® 15-25 Ton rooftop units. Their increased efficiencies, reaching as high as 14.2 IEER, comply with the latest federal and state requirements, as well as the Consortium for Energy Efficiency’s Advanced Tier. Smart Equipment controls maximize system monitoring and adjustment for extended equipment life and reduced operating costs.
Greater Control for Better Efficiency


  • Units meet or exceed ASHRAE Standard 90.1
  • Energy-efficient scroll compressors
  • Easy power and control wiring for reduced installation time and costs
  • Convertible airflow design doesn't require panel cutting or an accessory panel
  • Durable, powder-painted, galvanized steel finish meets 750-hour salt-spray test demands
  • Compressor is internally protected against high pressure and temperature
  • Permanently lubricated condenser and evaporator fan motor bearings don't require annual maintenance
  • Options include constant volume (CV), multiple speed (IntelliSpeed™) and a variable air volume (VAV) with variable frequency drive (VFD)
  • Smart Equipment provides reliability and ease of use
  • All cooling only and heat pump models share a common footprint
  • Gas and electric utility knockouts provided on unit side and bottom for easy connections
  • Wide range of indoor airflow options using belt-drive blowers are available
  • Permanently attached, full-perimeter base rails provide a solid unit foundation
  • Heat exchangers use corrosion-resistant, aluminized steel tubular construction for durability and a long service life
  • Field-installed accessories include propane and high-altitude conversion kits, motorized dampers and economizers


Reduced Up-Front Costs

All units are factory-wired, piped, charged and tested prior to shipment and include factory-installed options.

Reliable Operation

Two independent refrigeration circuits add built-in redundancy for greater peace of mind.

American Quality

Designed, engineered and assembled in the United States at the Johnson Controls Rooftop Center for Excellence in Norman, OK.

Verasys Controls

Optimum™ 15-25 Ton Packaged Rooftop Units are Verasys enabled, making it easy to improve comfort, efficiency and operating costs. Verasys offers remote connectivity for secure access anytime, anywhere. BACNet®-based, it connects seamlessly to Smart Equipment throughout your facility via wireless compatibility.
Learn more about Verasys
Verasys controls showing the configuration and performance of a building's YORK packaged rooftop unit.
Smart Equipment control board and components for YORK packaged rooftop unit

Smart Equipment

Optimum™ 15-25 Ton Packaged Rooftop Unit comes standard with next-generation Smart Equipment and can connect seamlessly to a controls systems and self-discover other Smart Equipment. On-board controls support cloud-based data analytics, including fault detection, to support proactive maintenance and minimize downtime.

Smart Equipment helps maximize control for greater efficiency, extended equipment life and reduced operating costs.

Mobile Access Portal (Map)

The optional MAP gateway with Wi-Fi® hotspot provides access to commissioning, configuration and maintenance logs using a smart device for fewer trips to the job site or roof to diagnose issues.

A Mobile Access Portal (MAP) gateway providing access to a YORK packaged rooftop unit via a smart device.

Technical Resources

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