3.5 Ton Goodman up to 15.2 SEER2 High-Efficiency Multi-Position Multi-Speed ECM Air Handler with TXV Central Air Conditioner Heat Pump System
GSZH504210 | Outdoor Unit
The Goodman GSZH504210 Enhanced Energy Efficient, up to 15.2 SEER2 Performance is loaded with features designed to provide outstanding performance for years to come for lower energy bills compared to lower SEER units. Additionally sound-dampening features help ensure that your cooling system does not interfere with a good night’s sleep. The near-silent operation is owed to the condenser fan system, which includes a three-bladed fan encased in a heavy-gauge galvanized louvered cabinet with noise suppressing features.
Standard Features
- High-efficiency scroll compressor
- SmartShift® technology to ensure quiet reliable defrost
- Copper tube/ enhanced aluminum fin coil- 5mm diameter on 1.5-3.5T
- Factory-installed suction-line accumulator
- Factory-installed compressor crankcase heater
- Factory-installed high-capacity muffler
- Service valves with sweat connections and easy access to gauge ports
- Fully charged for 15’ of tubing length
- AHRI Certified; ETL Listed
Cabinet Features
- Removable grille style top design compliant with UL 60335-2-40
- Steel louver coil guard
- Heavy-gauge galvanized-steel cabinet
- Attractive Architectural Gray powder-paint finish with 500-hour salt-spray approval
- Top and side maintenance access
- Single panel access to controls with space provided for field-installed accessories
- When properly anchored, meets the 2020 Florida Building Code unit integrity requirements for hurricane-type winds (Anchor bracket kits available).
AMST42CU14 | Indoor Unit
The Goodman AMST42CU14 Multi-Position, ECM air handler with internal TXV is optimized for single-stage AC and HP outdoor units up to 15.2 SEER2 allows for more precise climate control and eliminates hot and cold spots in rooms that is often experienced with standard on/off units. Instead of simply turning off once the desired temperature is reached, your unit’s blower speed can be reduced to match the cooling or heating needed to maintain the desired temperature.
Product Features
- Internal factory-installed thermal expansion valves for cooling and heat pump applications
- Direct drive, multi-speed ECM blower motor
- All-aluminum evaporator coil
- Coil mounting track for quick repositioning
- Optimized for use with R-410A refrigerant
- Cabinet air leakage less than 2.0% at 1.0-inch H₂O when tested in accordance with ASHRAE standard 193
- Cabinet air leakage less than 1.4% at 0.5-inch H₂O when tested in accordance with ASHRAE standard 193
- AHRI certified; ETL listed
Cabinet Features
- Rigid SmartFrame™ cabinet
- Horizontal or vertical configuration capabilities
- 21” depth for easier attic access
- DecaBDE-free thermoplastic drain pan with secondary drain connections
- Screw-less sides and back helps to reduce condensation when installed in humid locations
- Foil-faced insulation covers the internal casing to reduce cabinet condensation
- Galvanized, leather grain-embossed finish
- Glue-less cabinet insulation retention
- Tool-less filter access
- Field Installed 3 kW – 25 kW electric heater kits available
What’s Included
Your Goodman Central Air Conditioning System from Heat & Cool Comes with:
- GSZH504210 | Outdoor Unit
- AMST42CU14 | Indoor Unit
- Installation Manual
- User’s Manual
- Manufacturer’s Warranty
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Technical Specifications
Below are the detailed specifications for this model.
| Specification |
Details |
| Certifications |
AHRI certified; ETL listed |
| Application Area |
2,800 SqFt |
| Blower Motor |
Multi-Speed ECM Blower Motor |
| Brand |
Goodman |
| Voltage |
208/230 Volt |
| System Cooling Capacity Ton |
3.5 |
| Shipping Time |
24 to 72 hours |
| Shipping Cost |
455 |
| Seer2 Season Energy Eff Ratio2 |
15.2 |
| Seer2 Filter |
15+ |
| Refrigerant |
R-410A |
| Must Ship Freight |
Yes |
| Model Number Outdoor |
GSZH504210 |
| Model Number Indoor |
AMST42CU14 |
| Manufacturer Limited Warranty |
10 years |
| Manufacturer Limited Warranty |
10 Year Parts Warranty |
| Manuf Limited Warranty F |
10 Year Parts Limited |
| Heating Capacity Btu |
42,000 |
| Electrical |
208-230 V; 1 Phase; 60 Hz |
| Cooling Capacity Btu |
42,000 |
| Cooling Capacity |
42000 Btu/h |
Customer Reviews and Experiences
Frequently Asked Questions
We've compiled the most common questions about this heat pump system based on homeowner inquiries and installer feedback.
