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Goodman 3.5 Ton R32 Heat Pump & Air Handler 15.2 SEER2 42000 BTU Multi-Position

By Goodman | SKU: GLZS4BA4210 AMST42CU1300 | ID: 100776
Manufactured in the USA
No Sales Tax - in most states excluding California
Manufacturer Warranty Included
Most Products In Stock - Call or Text (833) 658-3387 for availability
$4,903.00 + FREE SHIPPING

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Goodman 3.5 Ton R32 Heat Pump 14.5 SEER2 Single-Stage 208/230 1-Ph GLZS4BA4210

The Goodman 3.5 Ton R32 Heat Pump Condenser, with a SEER2 rating of 14.5, delivers efficient heating and cooling with single-stage, scroll compressor technology. The SmartShift® defrost system ensures quiet operation, while the aluminum fin coil optimizes heat transfer. It features a factory-installed bi-flow filter drier, suction-line accumulator, and compressor crankcase heater for reliability. With high and low-pressure switches, enclosed contactor, and sweat connection service valves, this unit offers dependable performance and easy maintenance. Built with a durable galvanized steel cabinet, it meets AHRI and ETL certifications for quality and safety.

  • Heating Capacity Nominal: 42000 Btu/H
  • Refrigerant Type: R-32
  • SEER 2: 15.2
  • Unit Height: 35.75 in
  • Unit Width: 35.5 in
  • Max Overcurrent Protection: 30 A
  • Power Phase: 1 Ph
  • Power Voltage: 208/240 V
  • Compressor Stages: Single Stage
  • Compressor Type: Scroll
  • Unit Weight: 262 lb
  • Model Efficiency: 15.2 SEER2
  • Unit Depth: 35.5 in

Product Features For Goodman High Efficiency Heat Pump Compressor

  • High-Efficiency Compressor: Delivers dependable performance while reducing energy usage.
  • SmartShift® Technology: Ensures smooth, quiet defrost cycles, enhancing reliability and reducing noise.
  • Enhanced Aluminum Fin Coil:
    • 1.5 to 3.5 Ton Units: Features 5mm diameter aluminum fin coil for efficient heat exchange.
    • 4.0 to 5.0 Ton Units: Comes with 7mm copper tubes and enhanced aluminum fin coil, maximizing cooling efficiency.
  • Single-Speed PSC Condenser Fan Motor: Maintains consistent air circulation, optimizing cooling performance.

Factory-Installed Components

  • Bi-Flow Liquid-Line Filter Drier: Protects the system from moisture and contaminants, prolonging component life.
  • Suction-Line Accumulator: Prevents refrigerant from flooding the compressor, adding extra durability.
  • Compressor Crankcase Heater: Ensures reliable start-up and prevents refrigerant migration in cooler conditions.
  • High-Capacity Muffler: Reduces operational noise, providing quieter operation.
  • High and Low-Pressure Switches: Offers built-in safety measures, protecting the compressor from extreme conditions.
  • Sweat Connection Service Valves with Easy Gauge Access: Simplifies maintenance and system diagnostics.
  • Fully Enclosed Contactor with Lug Connection and Ground Lug: Improves safety and ensures secure electrical connections.
  • Extended Life Capacitors: Enhances system durability and supports consistent performance.

Cabinet Features

  • Removable Grille-Style Top Design: Complies with UL 60335-2-40 standards, allowing for easier cleaning and servicing.
  • Steel Louver Coil Guard: Shields the coil from debris, improving longevity.
  • Heavy-Gauge Galvanized Steel Cabinet: Built for durability, with a powder-paint finish approved for 500-hour salt-spray resistance in Architectural Gray.
  • Top and Side Maintenance Access: Provides convenient entry points for servicing, reducing maintenance time.

Compliance and Certification

  • AHRI Certified & ETL Listed: Recognized for quality, performance, and safety.
  • Florida Building Code Compliant: Meets the 2023 requirements for hurricane-type winds when properly anchored (anchor bracket kits available).

This unit’s feature set underscores its energy efficiency, robust construction, and suitability for challenging climates, making it an attractive choice for both residential and commercial applications.

Brand Goodman Model # GLZS4BA4210 
Heating (BTU/h)  42,000 Btu/H Cooling (BTU/h) 42,000 Btu/H
Refrigerant Type R-32 SEER 2 14.5
Unit Depth 35.5 in  Unit Height 35.75 in
Unit Width 35.5 in  Max Overcurrent Protection 35 A
Power Voltage/Phase 208/230V - 1Ph Compressor Stages Single Stage
Compressor Type Scroll Motor Type  PSC
Liquid Line/Suction Line ⅜" / 1⅛" Decibels 72
Valve Connection Type Sweat Refrigerant Charge (oz.) 139
Minimum Circuit Ampacity 19.3 A Electrical Conduit Size 1/2" or 3/4"
Equipment Weight (lbs.) 262 Shipping Weight (lbs) 277
Ton 3.5

Goodman 3.5 Ton R32 Air Handler Multi-position Nine Speed ECM Motor Ducted with TXV Expansion AMST42CU1300

The Goodman R32 Air Handler, 2-5 Ton, model AMST42CU1300, features a nine-speed ECM motor for optimal airflow and efficient cooling. Designed for R-32 refrigerant, it includes internal thermal expansion valves for enhanced performance in cooling and heat pump applications. The all-aluminum evaporator coil ensures superior heat exchange, while the cabinet boasts less than 2.0% air leakage at 1.0 inch H₂O, adhering to ASHRAE standards. With a rigid SmartFrame™ cabinet and a sleek galvanized finish, this air handler offers horizontal or vertical installation flexibility, easy attic access, and tool-less filter maintenance.

  • Refrigerant Type: R-32
  • Unit Height: 53-7/16 in
  • Unit Width: 21-1/8 in
  • Cooling Capacity Nominal: 42000 Btu/H
  • Max Overcurrent Protection: 15 A
  • Power Phase: 1 Ph
  • Power Voltage: 208/230 V
  • Motor Speed Type: Nine Speed ECM
  • Unit Weight: 153 lb
  • Tonnage: 3.5
  • Unit Depth: 21 in

Product Feature For Goodman Multi-Position Air Handler AMST42CU1300

  • Internal factory-installed thermal expansion valves for efficient cooling and heat pump applications
  • Direct drive multi-speed ECM blower motor for optimal airflow
  • All-aluminum evaporator coil ensures superior heat exchange
  • Coil mounting track allows for quick repositioning
  • Optimized for R-32 refrigerant for enhanced performance
  • Cabinet air leakage less than 2.0% at 1.0 inch H₂O, tested per ASHRAE standard 193
  • Cabinet air leakage less than 1.4% at 0.5 inch H₂O, tested per ASHRAE standard 193
  • AHRI certified and ETL listed for quality assurance
  • UL 60335 2-40 compliant for safety standards
  • Factory-installed R-32 sensor designed for the coil's lifespan
  • Rigid SmartFrame™ cabinet for durability
  • Horizontal or vertical configuration capabilities for installation flexibility
  • 21" depth for easier attic access
  • DecaBDE-free thermoplastic drain pan with secondary drain connections
  • Screw-less sides and back reduce condensation in humid locations
  • Foil-faced insulation covers the internal casing to minimize cabinet condensation
  • Galvanized leather grain-embossed finish for aesthetic appeal
  • Glue-less cabinet insulation retention enhances efficiency
  • Tool-less filter access for convenient maintenance
  • Field installed 3 kW – 25 kW electric heater kits available for added heating options
Brand Goodman Model # AMST42CU1300
Refrigerant Type R-32 Unit Depth 21 in
Unit Height 53.4375 in Unit Width 21.125 in
Cooling Capacity Nominal 42000 Btu/H Max Overcurrent Protection 50/60 A
Power Phase 1 Ph Power Voltage 208/230 V
Cased/Uncased Cased Energy Source Electric
Motor Speed Type Nine Speed ECM Unit Weight 153 lb
Tonnage 3.5

Goodman 3.5 Ton R32 Heat Pump 14.5 SEER2 Single-Stage 208/230 1-Ph GLZS4BA4210

Warranty Type Residential Multi-Family Commercial
Standard Warranty 5 year parts 5 year parts 5 year parts
Registered Warranty 10 year parts 10 year parts 5 year parts

Goodman 3.5 Ton R32 Air Handler Multi-position Nine Speed ECM Motor Ducted with TXV Expansion AMST42CU1300

Warranty Type Residential Multi-Family Commercial
Standard Warranty 5 year parts 5 year parts 5 year parts
Registered Warranty 10 year parts 10 year parts 5 year parts

Goodman 3.5 Ton R32 Heat Pump 14.5 SEER2 Single-Stage 208/230 1-Ph GLZS4BA4210

GLZS4B Installation Manual

Application Guide

GLZS4B Specification Sheets

Warranty Information

Goodman 3.5 Ton R32 Air Handler Multi-position Nine Speed ECM Motor Ducted with TXV Expansion AMST42CU1300

AMST Service Manual

AMST Parts Manual

AMST Specification Sheets

Warranty Information

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

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very reliable company and great prices

Bought a few units from this company and they were very friendly and easy to work with. Either matched prices or beat the price and had fast shipping also.

Excellent company to purchase from

I wasn’t to sure about if this company could deliver it quickly but it arrived within a week. No issues. I needed this one for parts as my first one that I installed a year ago had the ecm go out on the blower fan. Parts are hard to come by for this Chinese brand. I think the ecm went out due to condensation in the main supply plenum dripping onto fan motor. I do like this ac unit but hope the fan lasts longer than a year. I covered the fan ecm with flex seal tape.

Goodman 5 Ton System

Excellent value, customer sales support (a human called to confirm online order... greatly appreciated!), fast shipping. Very happy customer.

A + Company

Great price, communication and service I will be buying another furnace from them Fantastic !

Sale representative Lopez was very experienced and professional. I would recommend this company to any one and I am looking forward to work with Lopez again.


Goodman 3.5 Ton R32 Heat Pump 14.5 SEER2 Single-Stage 208/230 1-Ph GLZS4BA4210

The Goodman 3.5 Ton R32 Heat Pump Condenser, with a SEER2 rating of 14.5, delivers efficient heating and cooling with single-stage, scroll compressor technology. The SmartShift® defrost system ensures quiet operation, while the aluminum fin coil optimizes heat transfer. It features a factory-installed bi-flow filter drier, suction-line accumulator, and compressor crankcase heater for reliability. With high and low-pressure switches, enclosed contactor, and sweat connection service valves, this unit offers dependable performance and easy maintenance. Built with a durable galvanized steel cabinet, it meets AHRI and ETL certifications for quality and safety.

  • Heating Capacity Nominal: 42000 Btu/H
  • Refrigerant Type: R-32
  • SEER 2: 15.2
  • Unit Height: 35.75 in
  • Unit Width: 35.5 in
  • Max Overcurrent Protection: 30 A
  • Power Phase: 1 Ph
  • Power Voltage: 208/240 V
  • Compressor Stages: Single Stage
  • Compressor Type: Scroll
  • Unit Weight: 262 lb
  • Model Efficiency: 15.2 SEER2
  • Unit Depth: 35.5 in

Product Features For Goodman High Efficiency Heat Pump Compressor

  • High-Efficiency Compressor: Delivers dependable performance while reducing energy usage.
  • SmartShift® Technology: Ensures smooth, quiet defrost cycles, enhancing reliability and reducing noise.
  • Enhanced Aluminum Fin Coil:
    • 1.5 to 3.5 Ton Units: Features 5mm diameter aluminum fin coil for efficient heat exchange.
    • 4.0 to 5.0 Ton Units: Comes with 7mm copper tubes and enhanced aluminum fin coil, maximizing cooling efficiency.
  • Single-Speed PSC Condenser Fan Motor: Maintains consistent air circulation, optimizing cooling performance.

Factory-Installed Components

  • Bi-Flow Liquid-Line Filter Drier: Protects the system from moisture and contaminants, prolonging component life.
  • Suction-Line Accumulator: Prevents refrigerant from flooding the compressor, adding extra durability.
  • Compressor Crankcase Heater: Ensures reliable start-up and prevents refrigerant migration in cooler conditions.
  • High-Capacity Muffler: Reduces operational noise, providing quieter operation.
  • High and Low-Pressure Switches: Offers built-in safety measures, protecting the compressor from extreme conditions.
  • Sweat Connection Service Valves with Easy Gauge Access: Simplifies maintenance and system diagnostics.
  • Fully Enclosed Contactor with Lug Connection and Ground Lug: Improves safety and ensures secure electrical connections.
  • Extended Life Capacitors: Enhances system durability and supports consistent performance.

Cabinet Features

  • Removable Grille-Style Top Design: Complies with UL 60335-2-40 standards, allowing for easier cleaning and servicing.
  • Steel Louver Coil Guard: Shields the coil from debris, improving longevity.
  • Heavy-Gauge Galvanized Steel Cabinet: Built for durability, with a powder-paint finish approved for 500-hour salt-spray resistance in Architectural Gray.
  • Top and Side Maintenance Access: Provides convenient entry points for servicing, reducing maintenance time.

Compliance and Certification

  • AHRI Certified & ETL Listed: Recognized for quality, performance, and safety.
  • Florida Building Code Compliant: Meets the 2023 requirements for hurricane-type winds when properly anchored (anchor bracket kits available).

This unit’s feature set underscores its energy efficiency, robust construction, and suitability for challenging climates, making it an attractive choice for both residential and commercial applications.

Brand Goodman Model # GLZS4BA4210 
Heating (BTU/h)  42,000 Btu/H Cooling (BTU/h) 42,000 Btu/H
Refrigerant Type R-32 SEER 2 14.5
Unit Depth 35.5 in  Unit Height 35.75 in
Unit Width 35.5 in  Max Overcurrent Protection 35 A
Power Voltage/Phase 208/230V - 1Ph Compressor Stages Single Stage
Compressor Type Scroll Motor Type  PSC
Liquid Line/Suction Line ⅜" / 1⅛" Decibels 72
Valve Connection Type Sweat Refrigerant Charge (oz.) 139
Minimum Circuit Ampacity 19.3 A Electrical Conduit Size 1/2" or 3/4"
Equipment Weight (lbs.) 262 Shipping Weight (lbs) 277
Ton 3.5

Goodman 3.5 Ton R32 Air Handler Multi-position Nine Speed ECM Motor Ducted with TXV Expansion AMST42CU1300

The Goodman R32 Air Handler, 2-5 Ton, model AMST42CU1300, features a nine-speed ECM motor for optimal airflow and efficient cooling. Designed for R-32 refrigerant, it includes internal thermal expansion valves for enhanced performance in cooling and heat pump applications. The all-aluminum evaporator coil ensures superior heat exchange, while the cabinet boasts less than 2.0% air leakage at 1.0 inch H₂O, adhering to ASHRAE standards. With a rigid SmartFrame™ cabinet and a sleek galvanized finish, this air handler offers horizontal or vertical installation flexibility, easy attic access, and tool-less filter maintenance.

  • Refrigerant Type: R-32
  • Unit Height: 53-7/16 in
  • Unit Width: 21-1/8 in
  • Cooling Capacity Nominal: 42000 Btu/H
  • Max Overcurrent Protection: 15 A
  • Power Phase: 1 Ph
  • Power Voltage: 208/230 V
  • Motor Speed Type: Nine Speed ECM
  • Unit Weight: 153 lb
  • Tonnage: 3.5
  • Unit Depth: 21 in

Product Feature For Goodman Multi-Position Air Handler AMST42CU1300

  • Internal factory-installed thermal expansion valves for efficient cooling and heat pump applications
  • Direct drive multi-speed ECM blower motor for optimal airflow
  • All-aluminum evaporator coil ensures superior heat exchange
  • Coil mounting track allows for quick repositioning
  • Optimized for R-32 refrigerant for enhanced performance
  • Cabinet air leakage less than 2.0% at 1.0 inch H₂O, tested per ASHRAE standard 193
  • Cabinet air leakage less than 1.4% at 0.5 inch H₂O, tested per ASHRAE standard 193
  • AHRI certified and ETL listed for quality assurance
  • UL 60335 2-40 compliant for safety standards
  • Factory-installed R-32 sensor designed for the coil's lifespan
  • Rigid SmartFrame™ cabinet for durability
  • Horizontal or vertical configuration capabilities for installation flexibility
  • 21" depth for easier attic access
  • DecaBDE-free thermoplastic drain pan with secondary drain connections
  • Screw-less sides and back reduce condensation in humid locations
  • Foil-faced insulation covers the internal casing to minimize cabinet condensation
  • Galvanized leather grain-embossed finish for aesthetic appeal
  • Glue-less cabinet insulation retention enhances efficiency
  • Tool-less filter access for convenient maintenance
  • Field installed 3 kW – 25 kW electric heater kits available for added heating options
Brand Goodman Model # AMST42CU1300
Refrigerant Type R-32 Unit Depth 21 in
Unit Height 53.4375 in Unit Width 21.125 in
Cooling Capacity Nominal 42000 Btu/H Max Overcurrent Protection 50/60 A
Power Phase 1 Ph Power Voltage 208/230 V
Cased/Uncased Cased Energy Source Electric
Motor Speed Type Nine Speed ECM Unit Weight 153 lb
Tonnage 3.5

Goodman 3.5 Ton R32 Heat Pump 14.5 SEER2 Single-Stage 208/230 1-Ph GLZS4BA4210

Warranty Type Residential Multi-Family Commercial
Standard Warranty 5 year parts 5 year parts 5 year parts
Registered Warranty 10 year parts 10 year parts 5 year parts

Goodman 3.5 Ton R32 Air Handler Multi-position Nine Speed ECM Motor Ducted with TXV Expansion AMST42CU1300

Warranty Type Residential Multi-Family Commercial
Standard Warranty 5 year parts 5 year parts 5 year parts
Registered Warranty 10 year parts 10 year parts 5 year parts

Goodman 3.5 Ton R32 Heat Pump 14.5 SEER2 Single-Stage 208/230 1-Ph GLZS4BA4210

GLZS4B Installation Manual

Application Guide

GLZS4B Specification Sheets

Warranty Information

Goodman 3.5 Ton R32 Air Handler Multi-position Nine Speed ECM Motor Ducted with TXV Expansion AMST42CU1300

AMST Service Manual

AMST Parts Manual

AMST Specification Sheets

Warranty Information

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

Customer Reviews

Be the first to write a review
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