Johnson Controls, Milwaukee, Wisconsin, expands its York line of premium commercial rooftop units to include a 25-80 tons product. The expanded York Sun Premier platform is designed with ease of install in mind. Start-up is simplified with the new RTUToolkit app for Android and iOS devices. With the app, contractors will be able to scan a unique QR code on each rooftop, which enables on-demand access to unit-specific details, technical literature and direct connection to technical support. Maintenance made easy with the optional Mobile Access Portal gateway, which offers remote monitoring capability. The rooftop unit meets Department of Energy 2023 energy efficiency standards.