Goodman AMST Multi-Position Air Handler | Multi-Speed ECM | Internal TXV | R-32 | Multiple Sizes

Description

The Goodman AMST is a ducted, multi-position air handler available in 2 to 5-ton sizes, optimized for use with single-stage AC and heat pump outdoor units up to 15.2 SEER2. The compact SmartFrame™ cabinet can be configured for horizontal, or vertical upflow or downflow installation, fitting a range of installation spaces.

At the core is a direct-drive, 9-speed ECM blower motor with resilient mounts for quiet, efficient airflow, adjustable to the home’s particular needs with a time-delay feature to optimize comfort. An internal, factory-installed thermal expansion valve (TXV) meters refrigerant for both cooling and heat pump applications, paired with an all-aluminum evaporator coil with high-performance coated fin stock — 7mm AlumaFin7™ tubing on 1.5 to 3.5-ton models, and 3/8″ tubing on 4 to 5-ton models — for efficient heat transfer. A coil mounting track allows quick repositioning for hassle-free installation and maintenance.

The unit is optimized for use with R-32 refrigerant, including a factory-installed leak detection sensor for A2L refrigerant mitigation. The rust-resistant, fully insulated steel cabinet keeps air leakage low — under 2.0% at 1.0 in. H2O, and under 1.4% at 0.5 in. H2O, tested to ASHRAE Standard 193.

Designed, engineered, and assembled in the USA. AHRI Certified, ETL Listed. Backed by a 10-year parts limited warranty when registered online within 60 days of installation (registration requirements vary by state).

Select the correct tonnage below based on your Manual J load calculation and matched single-stage outdoor unit, and choose an optional electric heat kit as needed.

Features:

• Ducted, multi-position air handler — available in 2, 2.5, 3, 3.5, 4, and 5-ton

• Optimized for single-stage AC and heat pump outdoor units up to 15.2 SEER2

• Direct-drive, 9-speed ECM blower motor with resilient mounts and time-delay

• Internal, factory-installed TXV for cooling and heat pump applications

• All-aluminum evaporator coil with high-performance coated fin stock

• 7mm AlumaFin7™ coil tubing (1.5–3.5 ton) / 3/8″ tubing (4–5 ton)

• Coil mounting track for quick repositioning

• Factory-installed leak detection sensor for A2L refrigerant mitigation

• Optimized for R-32 refrigerant

• Rust-resistant, fully insulated SmartFrame™ steel cabinet

• Cabinet air leakage < 2.0% at 1.0 in. H2O (< 1.4% at 0.5 in. H2O), per ASHRAE Standard 193

• AHRI Certified | ETL Listed | Made in USA

• 10-year parts limited warranty (registration required)