GrandAire 3 Ton WCHL365AB R-454B Multi-Position Air Handler – High-Efficiency Indoor Unit

The GrandAire WCHL365AB Air Handler is a 3 Ton, multi-position indoor unit engineered to meet the demands of today’s energy-efficient HVAC systems. Built for compatibility with R-454B refrigerant, this air handler is an environmentally forward solution designed to deliver consistent comfort, quiet operation, and reliable airflow in residential and light commercial applications.

This model comes standard with a factory-installed TXV valve, ensuring optimized refrigerant metering and system efficiency. The ECM blower motor enhances comfort while reducing energy consumption, automatically adjusting to deliver the precise amount of airflow needed under varying conditions. Its galvanized steel cabinet is internally insulated to suppress operational noise and protect internal components from thermal losses and condensation.

With a multi-position design, the WCHL364AB allows for upflow, downflow, and horizontal left/right installations, offering contractors and installers the flexibility to adapt to different configurations. Whether paired with a heat pump or a straight cool condenser, this unit ensures balanced temperature distribution and reduced system strain.

Maintenance is simple thanks to convenient access panels, and the build quality reflects GrandAire’s commitment to durability and long-term performance. For HVAC professionals and property owners seeking an efficient and adaptable indoor air solution, the WCHL365AB delivers the quality and flexibility you expect from a premium unit.