Improved Air Flow Increases Comfort And Efficiency. The Model 593C is constructed with proven components. Built from top-quality, corrosion-resistant materials, the Model 593C air conditioner is a smart investment in your family's comfort.  1. Smooth, Efficient Operation Is provided by the high-efficiency compressor. Bryant mounts the compressor on rubber cushions for quieter operation. 2. Maximum Heat Transfer Provides more efficient cooling, and is the result of the copper tube/louvered aluminum fin coil. It's made from corrosion-resistant materials for lasting durability. 3. Improved Airflow Is the result of Bryant's patented Aerocoustic™ design. This special design draws air into the unit with less noise and turbulence for quieter, more efficient operation. 4. Leak Resistant Refrigerant Connections From the back-seating service valves adds reliability and serviceability for years of worry-free comfort. 5. Proper Drainage From the corrosion-resistant base pan keeps water and debris out of the unit. Premium quality paint and galvanized steel helps reduce corrosion. 6. Heavy-Duty Coil Protection With Bryants  DuraGuard™ grille helps keep the unit running efficiently by preventing damage from rocks and other debris.