GSZM4 Series Heat Pump

GSZM4 Series

  • Multi-Family Split System Heat Pump
  • High-efficiency scroll compressor
  • Up to 14.3 SEER2
  • Up to 7.5 HSPF2
  • 1.5-3.0 Tons
  • SmartShift® technology
  • GSZM4

Product Brochure


  • High-efficiency scroll compressor
  • SmartShift® technology to ensure quiet reliable defrost
  • Enhanced aluminum fin coil with 5 mm diameter copper tubes in 1.5- to 3.5-ton
  • Single-speed PSC condenser fan motor
  • Factory-installed bi-flow liquid-line filter drier
  • Factory-installed suction-line accumulator
  • Factory-installed compressor crankcase heater


  • Factory-installed high-capacity muffler
  • High- and low-pressure switches
  • Service valves with sweat connections and easy access to gauge ports
  • Fully charged for 15’ of tubing length
  • Contactor with lug connection
  • Ground lug connection

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