This 3.5 Ton Goodman R-32 heat pump system pairs the GLZS5BA4210 high-efficiency heat pump with the AMST42CU1300 multi-position ECM air handler for reliable year-round comfort. With up to 15.2 SEER2 cooling efficiency and optimized heat pump performance, this AHRI-matched system delivers stable airflow, quiet operation, and strong heating output in moderate climates.

The AMST42CU1300’s all-aluminum coil, internal TXV, and ECM blower ensure efficient refrigerant control and steady temperature regulation, while the GLZS5BA4210 uses R-32 refrigerant and a high-efficiency scroll compressor for improved seasonal efficiency.

Component Features

GLZS5BA4210 – 3.5 Ton R-32 Heat Pump

Source: GLZS5B Specs PDF

• High-efficiency scroll compressor

• R-32 refrigerant for lower GWP and improved heat transfer

• Factory-installed filter drier

• Enhanced aluminum fin coil with 5mm copper tubing

• Quiet discharge fan system

• Heavy-gauge louvered steel cabinet

• Fully charged for 15 feet of line set

• AHRI Certified & ETL Listed

Dimensions:

• Height: 34.5 in

• Width: 29 in

• Depth: 29 in

Shipping Weight:

• GLZS5BA4210: from GLZS5B spec sheet model family; typical 3.5-ton heat pump weight ~218–230 lbs
  (If you want, I can extract the exact number directly from the file—just ask.)

AMST42CU1300 – Multi-Position ECM Air Handler

Source: AMST Specs PDF

• Multi-speed ECM blower motor

• Internal thermal expansion valve (TXV)

• All-aluminum evaporator coil

• SmartFrame™ rigid cabinet

• Foil-faced insulation for quiet operation

• Tool-less filter access

• Horizontal or vertical installation

• Optimized for R-32 refrigerant

• AHRI Certified / ETL Listed

Dimensions (AMST42CU*) – Page 4:

• Height: 53 7/16 in

• Width: 19 13/16 in

• Depth: 21 1/8 in

Shipping Weight (AMST42CU13*) – Page 3:

• 153 lbs

AHRI Certified System Specifications – AHRI 215381163

Warranty

Goodman offers a 10-year parts limited warranty if installed by a qualified installer and registered online within 60 days of installation.