- Johnson Controls
- HVAC Equipment
- Heat Pumps
- Johnson Controls® DZ Series Heat Pump
Johnson Controls DZ Split Series Heat Pump
Capacity: 2-5 Tons
A Versatile Water Source Unit for Commercial Projects
The Johnson Controls DZ Split System water-source heat pump delivers high-efficiency performance with installation flexibility ideally suited for commercial applications. Its split-system design allows the air handler to be installed separately from the condensing section, enabling space-saving layouts and reduced sound levels. Using low–global warming potential R-454B A2L refrigerant, the DZ Split System supports sustainability goals while helping meet current and evolving regulatory requirements.
Features
- Two-stage scroll compressor technology
- Compact cabinet design
- Factory-provided filter drier
- One-year warranty
- Copper or cupronickel coaxial coil
- Engineered for quiet operation
- R-454B refrigerant for low-global warming potential (low-GWP)
- Proven York quality
Benefits
A low-profile, compact footprint makes the system a perfect fit for replacements in tight spaces.
The two-stage scroll compressor maximizes comfort and energy efficiency by matching output to demand.
The unit can be paired with a variable-speed air handler for superior indoor comfort control.
A floating compressor base and ½” closed-cell foam insulation ensure sound levels as low as 51 dB.

















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