GRANDAIRE 4 Ton. R454 PACKAGE UNIT WJA548000K000B

The Grandaire 4 Ton 13.4 SEER2 Horizontal Package Air Conditioner WJA548000K000B is a high-capacity, self-contained HVAC solution engineered for performance, durability, and ease of installation.

This all-in-one packaged unit combines the condenser, evaporator coil, and air handler into a single outdoor system, making it ideal for residential and light commercial applications where indoor space is limited. Designed for horizontal airflow, it is perfect for rooftop or ground-level installations.

With a 13.4 SEER2 efficiency rating, this unit delivers strong cooling performance while helping reduce long-term energy costs. It uses R454B refrigerant, a next-generation low global warming potential solution that meets modern compliance standards and positions contractors ahead of regulatory changes.

Built for reliability, the system features a scroll compressor, multi-speed blower motor, and corrosion-resistant coil design. The heavy-duty steel cabinet is engineered to withstand outdoor conditions while maintaining long-term structural integrity.

The compact footprint allows for easy placement, and multi-panel service access simplifies installation and maintenance, reducing labor time on every job. This unit is built for contractors who need dependable equipment that installs fast and performs consistently.

Key Features

• 4 Ton Cooling Capacity (48,000 BTU)

• 13.4 SEER2 Efficiency Rating

• R454B Low GWP Refrigerant

• Horizontal Airflow Configuration

• All-In-One Packaged System

• Scroll Compressor for Reliability

• Multi-Speed Blower Motor

• Durable Weather-Resistant Steel Cabinet

• Easy Access Service Panels

• Ideal for Residential and Light Commercial Use