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Goodman GSZM4 SEER2 Multi-Family Split System Heat Pump

SKU GSZM401810
by Goodman
Original price $1,953.00 - Original price $2,679.00
Original price
$1,953.00 - $2,679.00
Current price $1,953.00
in stock
in stock
Low stock
Low stock

The Goodman GSZM4 Multi-Family Split System Heat Pump is a powerful and efficient cooling and heating solution for multi-family properties. With a 14.3 SEER2 rating and a reliable 7.5 HSPF2, this heat pump delivers exceptional performance while ensuring energy savings. Its high-efficiency scroll compressor and SmartShift® technology work together to provide a quiet and dependable defrost cycle. The unit has an enhanced aluminum fin coil featuring 5 mm diameter copper tubes, ensuring optimal heat transfer and durability for sizes ranging from 1.5 to 3.0 tons. 

The GSZM4 includes essential features such as a single-speed PSC condenser fan motor, factory-installed bi-flow liquid-line filter drier, suction-line accumulator, and compressor crankcase heater. The GSZM4 is AHRI Certified and ETL Listed, with convenient service valves, easy access to gauge ports, and a fully charged refrigerant for up to 15 feet of tubing length. This heat pump is built for longevity, incorporating a factory-installed high-capacity muffler and high- and low-pressure switches, while the contactor with lug connection and ground lug connection ensure a secure and hassle-free installation process.

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Model Comparison

Max. Cooling (BTU/h)18,00024,00030,00036,000
Decibels (dBA)68727572
Horsepower (HP)1/61/61/61/6
Liquid Line Size (“O.D.)⅜"⅜"⅜"⅜"
Suction Line Size (“O.D.)¾"¾"¾"⅞"
Liquid Valve Size (“O.D.)⅜"⅜"⅜"⅜"
Suction Valve Size (“O.D.")¾"¾"¾"⅞"
Valve Connection TypeSweatSweatSweatSweat
Refrigerant Charge948694114
Minimum Circuit Ampacity12.215.318.621
Max. Overcurrent Protection20253035
Min / Max Volts197/253197/253197/253197/253
Electrical Conduit Size½" or ¾"½" or ¾" ½" or ¾"½" or ¾" 
Equipment Weight (lbs)164164175214
Ship Weight (lbs)179179190234



  • 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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