The YORK VH4 side discharge split system heat pump delivers efficiency, flexibility, and quiet comfort at a price point that meets today's standards. Factory-installed accumulator protects the compressor from liquid refrigerant and enhances system efficiency, reducing energy consumption and operational costs. Tube-in-fin coils for maximum efficiency and durability. Low-sound fan design for reduced noise levels indoors and outdoors. Factory-installed crankcase heater prevents refrigerant migration and maintains compressor oil temperature for reliable operation. Side discharge and small footprint for space-constrained areas.