YORK® Sun™ Premier Rooftop Units

25-50 Tons

YORK® Sun™ Premier Rooftop Units offer the flexibility of applied equipment with the first-cost value of rooftop units.

  • A/C models with high capacity and multiple airflow options (downflow, horizontal, multidirectional supply and return airflow paths)
  • Standard-efficiency models (Up to 10.9 EER/15.0 IEER)
  • High-efficiency models (Up to 11.4 EER/16.7 IEER)
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Unmatched Efficiency, Unmatched Quality

YORK® Sun™ Premier commercial rooftop units offer best-in-class standard efficiency levels and meet Department of Energy (DOE) 2023 energy efficiency requirements. Standard-efficiency, high-capacity or high-efficiency YORK® Sun™ Premier units come standard with an industry-leading 1-year parts and either a 6-month or 1-year promotional labor warranty when started by a contractor.

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YORK® Sun™ Premier Rooftop Units provide the highest standard-efficiency in their class.


YORK® Sun™ Premier Units are designed, engineered and assembled in the United States at the Johnson Controls Rooftop Center for Excellence in Norman, OK.


Service-friendly features include optional Mobile Access Portal (MAP) gateway and RTUToolkit App for easy file lookup.


  • Standard, double-wall foam panels for improved thermal efficiency
  • Modulating features for refined comfort, including energy recovery wheel, hot gas reheat, electric and gas heat
  • Up to 15 steps of cooling in standard-efficiency base models, depending on tonnage
  • Variable-speed compressor and VSD fan options with the most advanced refrigeration, airflow and heat-transfer technologies
  • The broadest array of airflow features, including various airflow paths and duct configuration capability
  • Optional indoor air quality (IAQ) features, including ultraviolet (UV) lights, humidifiers, sound attenuator and final filters

High-end Graphical User Interface (Gui)

Optional GUI features a full-color touch-screen that provides quick access to key operating information, including system status, performance metrics, schedule parameters and more.
Image of the YORK Sun Premier unit's high-end graphical user interface (GUI)
Verasys controls showing the configuration and performance of a building's YORK packaged rooftop unit.

Verasys Controls

YORK® Sun™ Premiere 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

Smart Equipment

YORK® Sun™ Premier units comes standard with next-generation Smart Equipment and can connect seamlessly to a controls system 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.

Smart Equipment control board and components for YORK packaged rooftop unit

Technical Resources

25-50T Premier

YORK Rooftop Units Sun Premier 25–50 Tons Brochure




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