Optimum™ 3-6 Ton Packaged Rooftop Units

Up to 3-6 Ton

Luxaire® Optimum™ 3-6 Ton Packaged Rooftop Units deliver​ simplicity and performance that give you an advantage on ​3-6 ton projects.

  • A/C and heat pump models in convertible airflow configurations
  • Standard-efficiency models up to 14.0 SEER/14.2 IEER and 8.0 HSPF
  • Scroll compressors
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Smarter Technology for Better Performance

An ideal solution for commercial building applications, Luxaire® Optimum™ series packaged rooftop units combines efficiency and advanced economizer controls with unprecedented installation flexibility and low installed costs. Its compressor is internally protected against high pressure and temperature to ensure dependable performance in tough conditions. Smart Equipment, provided as a standard component, provides reliability and ease of use.
Smarter Technology for Better Performance


  • 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
  • Wide range of indoor airflow options using belt-drive blowers are available
  • Permanently attached, full-perimeter base rails provide a solid unit foundation and forklift access
  • 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
  • Evaporator coils constructed with grooved copper tubes and enhanced aluminum fins improve heat transfer
  • All cooling only/heat pump models share a common footprint for on-site flexibility
  • Gas and electric utility knockouts provided on unit side and bottom for easy connections
  • Smart Equipment controls aid in reliability and ease of use
  • 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
  • Condenser coils constructed of microchannel aluminum tubing and aluminum fins provide durability and efficient, long-lasting operation


Easier Installation And Service

Factory-installed options and easy power and control wiring reduce installation costs.

Energy Efficient

Energy-efficient scroll compressors reduce operational costs.

Ashrae Compliance

Luxaire® Optimum™ packaged units meet or exceed ASHRAE Standard 90.1.

American Quality

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

Verasys Controls

Optimum™ 3-6 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™ 3-6 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.

World Class Training With Ducted Systems Academy™.

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