Commercial Carrier packaged rooftop HVAC unit with integrated heating, cooling, and air distribution in a self-contained rooftop design. The unit uses R-410A (Puron) refrigerant and includes compressor(s), condenser and evaporator coils, supply blower, and factory controls in a weather-resistant cabinet. Designed for curb-mounted rooftop installation with ducted supply and return, suitable for commercial and light industrial applications, including replacement or retrofit use.