Goodman AMST42CU1300 3.5 Ton R-32 Multi-Position Air Handler with ECM Blower & TXV
Couldn't load pickup availability
Would you like to have this product installed?
More Details.
Is installation available in my area?
Installation is only available within our zip code coverage area. Simply type in your zip code to find out if installation is available in your area. If we do not currently offer installation in your area, you may still purchase the product from us, but you are required to have the product(s) installed by a qualified professional.
What's included with installation?
Our HVAC installation packages include all materials and labor needed for a standard equipment replacement "changeout". The technician will also perform a risk-free site inspection if needed, and removal of old HVAC equipment. Any necessary permit fees will incur extra costs. Rooftop installations will incur extra costs for crane rental (Example: rooftop packaged units, outdoor condensing units on roof, etc.). Should your project require any custom work, you will have the opportunity to review the updated cost and can choose to cancel your installation with no penalty.
How quickly will my equipment be installed?
Shortly after placing your order, you will receive a call, email, or text message from our staff to schedule a pre-inspection (if needed) and schedule an installation date.
The pre-installation inspection typically takes place within 1-3 business days of your order being placed. The installation then typically takes place 1-3 business days after that. We will schedule both the pre-inspection (if needed) and installation with you at a time that works best, usually in the morning, during regular working hours on a weekday (Monday-Friday). On the day of your installation, your assigned technician(s) will arrive with all the equipment and materials needed to complete the job.
Will my equipment be covered under warranty?
Our installation packages meet all manufacturer requirements for full warranty coverage and include equipment registration.
Who installs my equipment?
EZ Plenum installation jobs are performed by our network of qualified professionals. Our installers meet our high standards of quality, professionalism, and reliability. In addition to that, each job is backed by a 1-Year Workmanship guarantee. EZPlenum.com is not responsible for labor costs to diagnose, repair, install, or service product(s); it is your responsibility to deal directly with the qualified professional who installed your equipment.
Is installation available in my area?
Installation is only available within our zip code coverage area. Simply type in your zip code to find out if installation is available in your area. If we do not currently offer installation in your area, you may still purchase the product from us, but you are required to have the product(s) installed by a qualified professional.
What's included with installation?
Our HVAC installation packages include all materials and labor needed for a standard equipment replacement "changeout". The technician will also perform a risk-free site inspection if needed, and removal of old HVAC equipment. Any necessary permit fees will incur extra costs. Rooftop installations will incur extra costs for crane rental (Example: rooftop packaged units, outdoor condensing units on roof, etc.). Should your project require any custom work, you will have the opportunity to review the updated cost and can choose to cancel your installation with no penalty.
How quickly will my equipment be installed?
Shortly after placing your order, you will receive a call, email, or text message from our staff to schedule a pre-inspection (if needed) and schedule an installation date.
The pre-installation inspection typically takes place within 1-3 business days of your order being placed. The installation then typically takes place 1-3 business days after that. We will schedule both the pre-inspection (if needed) and installation with you at a time that works best, usually in the morning, during regular working hours on a weekday (Monday-Friday). On the day of your installation, your assigned technician(s) will arrive with all the equipment and materials needed to complete the job.
Will my equipment be covered under warranty?
Our installation packages meet all manufacturer requirements for full warranty coverage and include equipment registration.
Who installs my equipment?
EZ Plenum installation jobs are performed by our network of qualified professionals. Our installers meet our high standards of quality, professionalism, and reliability. In addition to that, each job is backed by a 1-Year Workmanship guarantee. EZPlenum.com is not responsible for labor costs to diagnose, repair, install, or service product(s); it is your responsibility to deal directly with the qualified professional who installed your equipment.
Enter your Zip Code to see if we service your area.
Yes, we service your area.
Required Accessories:
Goodman GLZS4BA4210 3.5 Ton R-32 Heat Pump Condenser | 14.3 SEER2
Installation Accessories:
Goodman HKTSD05X1 5kW Electric Heat Kit with Circuit Breaker for R-32 Air Handlers
Images are for illustration purposes, products are subject to manufacturer revision.
Goodman AMST42CU1300 – 3.5 Ton R-32 Multi-Position Air Handler
The Goodman AMST42CU1300 3.5 Ton Air Handler delivers dependable indoor airflow and efficient performance for compatible R-32 air conditioning and heat pump systems. Featuring a 9-speed ECM blower motor, factory-installed thermostatic expansion valve (TXV), and all-aluminum evaporator coil, this multi-position air handler is engineered for reliable residential heating and cooling applications.
Designed for the 42,000 BTU/h nominal capacity class, the AMST42CU1300 features a spacious 21-inch C-width cabinet and a 10-inch by 8-inch blower wheel, providing flexible airflow capabilities for properly matched HVAC systems.
Key Features & Benefits
-
3.5 Ton Nominal Capacity: Designed for compatible 42,000 BTU/h air conditioning and heat pump systems.
-
R-32 Refrigerant Compatibility: Engineered for approved R-32 split-system HVAC applications.
-
9-Speed ECM Blower Motor: Provides selectable airflow settings for dependable, efficient indoor air distribution.
-
3/4 HP Direct-Drive Motor: Designed for reliable operation and flexible airflow configuration.
-
Factory-Installed TXV: Regulates refrigerant flow through the evaporator coil for compatible cooling and heat pump applications.
-
All-Aluminum Evaporator Coil: Supports efficient heat transfer and dependable system performance.
-
Multi-Position Installation: Accommodates approved horizontal and vertical installation configurations.
-
Factory-Installed R-32 Detection Sensor: Supports applicable A2L refrigerant safety requirements.
-
SmartFrame™ Cabinet Construction: Rigid galvanized-steel construction designed for durability.
-
C-Width Cabinet: Approximately 21-1/8 inches wide and 21 inches deep.
-
10" × 8" Blower Wheel: Supports configurable airflow for properly sized HVAC systems.
-
Condensate Management: Thermoplastic drain pan with secondary condensate drain connections.
-
Tool-Free Filter Access: Simplifies routine filter inspection and maintenance.
-
Optional Auxiliary Electric Heat: Compatible Goodman electric heat kits are available separately.
Efficient Airflow with 9-Speed ECM Technology
The Goodman AMST42CU1300 features a direct-drive ECM blower with nine selectable airflow settings, allowing HVAC technicians to adjust airflow according to the installed equipment, ductwork, and manufacturer requirements.
Its 10-inch diameter by 8-inch wide blower wheel is designed to deliver dependable airflow for properly sized residential heating and cooling systems.
Combined with its factory-installed TXV and all-aluminum evaporator coil, the air handler supports reliable refrigerant system performance when paired with compatible outdoor equipment.
Flexible Multi-Position Installation
The AMST42CU1300 features a 21-1/8-inch-wide cabinet, 21-inch depth, and approximately 53-7/16-inch height.
Its multi-position design supports manufacturer-approved horizontal and vertical installation configurations, making it suitable for attics, mechanical closets, and residential HVAC replacement projects.
The SmartFrame cabinet, accessible service components, and condensate drainage features simplify professional installation and maintenance.
Compatible with Goodman R-32 Heat Pumps & Air Conditioners
The Goodman AMST42CU1300 is designed for qualifying Goodman R-32 air conditioning and heat pump systems, including compatible GLXS4B and GLZS4B series outdoor units.
Actual heating and cooling capacity, SEER2 efficiency, and HSPF2 performance depend on the complete AHRI-certified equipment combination.
Important Installation Information
Indoor air handler only. The outdoor condenser, thermostat, refrigerant line set, auxiliary electric heat kit, and additional installation accessories are not included unless otherwise specified.
This model requires compatible R-32 outdoor equipment and must be installed according to Goodman manufacturer instructions, refrigerant safety requirements, and applicable mechanical and electrical codes.
Order the Goodman AMST42CU1300 from EZ Plenum for your next HVAC installation, replacement, or system upgrade.
Frequently Asked Questions
What is the Goodman AMST42CU1300 air handler?
The Goodman AMST42CU1300 is a 3.5 ton multi-position air handler designed for compatible R-32 air conditioning and heat pump systems. It features a 9-speed ECM blower motor, factory-installed TXV, and all-aluminum evaporator coil.
What refrigerant does the Goodman AMST42CU1300 use?
The Goodman AMST42CU1300 is designed for R-32 refrigerant and must be paired with compatible R-32 outdoor HVAC equipment. It is not intended for use with incompatible R-410A or R-454B systems.
What is the cooling capacity of the Goodman AMST42CU1300?
The Goodman AMST42CU1300 belongs to the 3.5 ton capacity class, corresponding to a nominal 42,000 BTU per hour. Actual cooling performance depends on the matched outdoor condenser, airflow settings, and operating conditions.
Does the Goodman AMST42CU1300 include a TXV?
Yes. The Goodman AMST42CU1300 includes a factory-installed thermostatic expansion valve (TXV) designed to regulate refrigerant flow through the evaporator coil for compatible air conditioning and heat pump applications.
What type of blower motor does the Goodman AMST42CU1300 use?
The Goodman AMST42CU1300 features a direct-drive, 9-speed ECM blower motor rated at 3/4 horsepower. Its selectable speeds allow qualified HVAC technicians to configure airflow for the installed system.
What is the airflow capacity of the Goodman AMST42CU1300?
The Goodman AMST42CU1300 has nine selectable blower speed settings. Manufacturer airflow tables list up to approximately 1,760 CFM under low external static pressure conditions. Actual airflow depends on blower speed, ductwork static pressure, and installation conditions.
Can the Goodman AMST42CU1300 be installed horizontally or vertically?
Yes. The Goodman AMST42CU1300 supports manufacturer-approved horizontal and vertical installation configurations. Specific installations may require additional accessories or procedures outlined in the installation manual.
What are the dimensions of the Goodman AMST42CU1300?
The Goodman AMST42CU1300 measures approximately 21-1/8 inches wide, 21 inches deep, and 53-7/16 inches high. Its C-width cabinet is designed for residential HVAC installation applications.
How much does the Goodman AMST42CU1300 weigh?
The Goodman AMST42CU1300 has a manufacturer-listed shipping weight of approximately 153 pounds. Packaged freight dimensions and shipping requirements should be confirmed with the supplier.
Does the Goodman AMST42CU1300 include a refrigerant detection system?
Yes. The Goodman AMST42CU1300 includes a factory-installed R-32 refrigerant detection sensor and associated safety controls designed to support applicable A2L refrigerant safety requirements.
Does the Goodman AMST42CU1300 include an electric heat kit?
No. An auxiliary electric heat kit is not included as standard equipment. Compatible Goodman electric heat kits are available separately and must be selected according to manufacturer specifications.
Is the Goodman AMST42CU1300 compatible with Goodman heat pumps?
Yes. The Goodman AMST42CU1300 is designed for qualifying Goodman R-32 heat pump systems, including compatible GLZS4B series outdoor condensers. Specific combinations must be verified using manufacturer specifications and AHRI certification.
What are the electrical requirements for the Goodman AMST42CU1300?
The Goodman AMST42CU1300 operates on 208/230V single-phase, 60 Hz power. Without an electric heat kit, the manufacturer lists a minimum circuit ampacity of 5.9 amps and maximum overcurrent protection of 15 amps. Electrical requirements change when auxiliary electric heat is installed.
What refrigerant connections does the Goodman AMST42CU1300 have?
The Goodman AMST42CU1300 has a 3/8-inch liquid coil connection and a 3/4-inch suction coil connection. Field refrigerant piping requirements must follow Goodman installation instructions and the approved outdoor unit combination.
What is the difference between the Goodman AMST42CU1300 and AMST36CU1300?
The AMST42CU1300 is a 3.5 ton air handler with a 42,000 BTU/h nominal capacity class, while the AMST36CU1300 is a 3 ton air handler with a 36,000 BTU/h nominal capacity class. Both use C-width cabinets and 10-by-8-inch blower wheels, but the AMST42CU1300 has a taller cabinet and different published blower performance.
What warranty comes with the Goodman AMST42CU1300?
The Goodman AMST42CU1300 may qualify for a 10-year parts limited warranty, subject to manufacturer registration requirements, eligibility, and warranty terms. Coverage may vary by jurisdiction.
Who should install the Goodman AMST42CU1300?
The Goodman AMST42CU1300 should be installed by a qualified HVAC professional following Goodman installation instructions, R-32 refrigerant safety requirements, and applicable mechanical and electrical codes.
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
EZPlenum.com does not warrant or accept returns of any electrical repair parts or HVAC equipment due to their sensitive nature. Electrical repair parts and HVAC equipment are packaged and shipped new, failure of new parts and equipment is extremely rare, failures are more likely to be a result of mishandling once opened or improper installation. EZPlenum.com does not warrant electrical repair parts or HVAC equipment sold.
All HVAC parts and equipment must be installed by a certified licensed professional to maintain the manufacturer warranty.
EZPlenum.com is a reseller of products manufactured by other companies. You may be entitled to the benefit of a warranty, if any, provided by the original manufacturers of the products that you purchase from EZPlenum.com. For warranty claims, please contact the manufacturer of your product.
