Goodman AMST48CU1300 – 4 Ton Variable Speed Air Handler | Multi-Position ECM Indoor Unit | R-32 Refrigerant | 21" Cabinet | AMST_32 Series
Goodman AMST48CU1300 – 4 Ton Variable Speed Air Handler | Multi-Position ECM Indoor Unit | R-32 Refrigerant | 21" Cabinet | AMST_32 Series
Goodman AMST48CU1300 – 4 Ton Variable Speed Air Handler | Multi-Position ECM Indoor Unit | R-32 Refrigerant | 21" Cabinet | AMST_32 Series
$1,857.00
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Overview
The Goodman AMST48CU1300 Air Handler delivers powerful, energy-efficient airflow for residential and light commercial applications.
Part of the AMST_32 Series, this 4 Ton Variable-Speed, Multi-Position ECM Air Handler is optimized for R-32 refrigerant systems, providing exceptional performance, quiet operation, and long-lasting reliability.
Designed for flexibility, the SmartFrame™ galvanized-steel cabinet offers easy installation in upflow, downflow, or horizontal positions — making it an ideal choice for modern HVAC installations.
Key Features & Benefits
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9-Speed Variable ECM Motor – Delivers quiet, energy-efficient airflow and superior humidity control.
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Factory-Installed TXV – Ensures precise refrigerant metering for cooling and heat pump applications.
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All-Aluminum AlumaFin7™ Coil – Corrosion-resistant, high-performance coil for lasting efficiency.
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R-32 Refrigerant Ready – Includes factory-installed leak detection sensor for A2L compliance.
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SmartFrame™ Cabinet Design – Rigid, screw-less cabinet with galvanized finish resists corrosion and condensation.
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Low Air Leakage – Less than 2.0% at 1.0 in H₂O per ASHRAE 193 standards for optimized efficiency.
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Compact 21” Depth – Perfect for attics, closets, and space-limited installations.
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DecaBDE-Free Drain Pan – Durable, high-temperature plastic with dual drain connections.
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Electric Heat Compatible – Works with 3 kW – 25 kW heater kits (5–10 kW nickel-chromium available).
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Service Friendly – Factory pull-type disconnect and tool-less filter access simplify maintenance.
⚙️ Technical Specifications
| Category | Specification |
|---|---|
| Product Family | AMST_32 |
| Family Description | Multi-Position, Multi-Speed, ECM-Based Air Handler with Internal TXV (1½ – 5 Tons) |
| Model Number / SKU | AMST48CU1300 |
| Unit Type | Indoor |
| Product Class | Air Handler |
| Tonnage | 4 Ton |
| Refrigerant Type | R-32 |
| Motor Speed Type | 9-Speed ECM Variable Speed |
| Blower Motor FLA | 5.7 A |
| Voltage Range | 197 – 253 V |
| Power Supply | 208/230 V – 1 Phase – 60 Hz |
| Minimum Circuit Amps | 7.1 A |
| Electric Heat Options | 3 kW – 25 kW Kits (5–10 kW Nickel-Chromium Available) |
| Coil Type | All-Aluminum AlumaFin7™ (3/8" Coil for 4–5 Ton Models) |
| Cabinet Type | SmartFrame™ Galvanized Steel |
| Cabinet Width | 21-1/8 in |
| Cabinet Depth | 21 in |
| Cabinet Height | 58 in |
| Weight | 153 lb |
| Air Leakage | < 2.0% @ 1.0 in H₂O / < 1.4% @ 0.5 in H₂O (ASHRAE 193) |
| Drain Pan | High-Temp DecaBDE-Free Thermoplastic w/ Primary & Secondary Connections |
| Installation Type | Multi-Position (Upflow / Downflow / Horizontal Left / Horizontal Right) |
| Cabinet Insulation | Foil-Faced, Glue-less, Condensation-Resistant |
| Filter Access | Tool-less Front Access |
| Certifications | AHRI Certified, ETL Listed, Proposition 65 Compliant |
| Proposition 65 Label | Checked Specification |
Cabinet & Construction Highlights
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Rigid SmartFrame™ Construction for enhanced strength and stability
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Horizontal or Vertical Installation Capable
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21” Depth for improved attic and crawl space accessibility
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Galvanized, leather-grain-embossed finish for corrosion protection
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Foil-faced internal insulation to reduce condensation and noise
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Glue-less insulation retention for long-lasting durability
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Tool-less filter access simplifies regular maintenance
Certifications
✅ AHRI Certified
✅ ETL Listed
✅ Proposition 65 Compliant
Why Choose Goodman
Goodman’s AMST48CU1300 offers industry-leading reliability, quiet performance, and energy efficiency in one sleek package. Built for R-32 refrigerant, it ensures compliance with the latest environmental standards while maintaining the quality and durability HVAC professionals trust.
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