Split Heat Pump

Energy-Efficient Split System Heat Pump 

14.3 SEER2/ 7.5 HSPF2
Energy-Efficient Compressor 
SmartShift® technology


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* Complete warranty details available from you local dealer or at   To receive the 10-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec. The duration of warranty coverage in Texas and Florida differs in some cases.

At Goodman, we believe in American dependability. Units are designed, engineered and assembled in the U.S.A.

Alternate Text
  • • Energy-efficient 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
    • Ground lug connection
    • AHRI Certified; ETL Listed
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  •  • 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
  • Read more +

Technical Specifications

  • ModelGSZB4
  • TypeSplit Heat Pump
  • Cooling Capacity BTU 18000 Btu/H
  • Heating Capacity Ton 18000 Btu/H
  • Efficiency 14.3 SEER2
  • Compressor Single Stage
  • Energy Certified No
  • ComfortBridge™ Compatible No
  • Tonnage 1.5 - 5 tons


  • Product Height (in.) 41-10/16 in
  • Product Width (in.) 35-1/2 in
  • Product Depth (in.) 35-1/2 in

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