Goodman - 4 Tons/48,000 BTU Packaged Heat Pump Unit Multi-Position - SEER2 13.4 - Single Stage - 208V - R32 - GPHM34831
Experience the quiet comfort and affordability of the Goodman GPHM34831 heat pump packaged unit. With its whisper-quiet operation and ready-to-install pre-charged refrigerant system, the Goodman GPHM34831 is the perfect all-in-one solution for your heating and cooling needs. At a basic efficiency rating, this unit provides reliable and cost-effective comfort for your home. Plus, it's backed by the Goodman name, so you know you can trust its quality and performance. Choose from horizontal or downflow discharge options to suit your needs. And with its pre-charged refrigerant system, installation is a breeze.
Features
- Goodman packaged units: Pre-charged, tested, and ready to go.
- Can normally cover a larger house in average climates.
- 4 ton, 13.4 SEER2 heat pump packaged unit. Efficient and powerful.
- Multi-positional discharge—downflow or horizontal. Flexible installation options.
- Fully charged. No additional refrigerant needed, saving you money.
- Low sound output. Quiet operation for a comfortable home.
Specifications
| 4 Ton 13.4 SEER2 Multi-Position Goodman Packaged Heat Pump Unit - R32 |
| SKU |
GPHM34831 |
| Weight (in lbs) |
485.000000 |
| AHRI Certificate Number |
210288033 |
| Airflow Direction |
Downflow/Horizontal |
| Brand/Manufacturer |
Goodman |
| Replaces |
GPC1448H4C, GPC1448H4D, GPH1448M41 |
| HSPF |
8 |
| Cooling BTU |
48,000 BTU |
| Heating BTU |
45,600 BTU |
| Maximum CFM |
1600 |
| Decibel Level (dBA) |
79 decibels |
| Electric Backup Heat Capabilities (Optional) |
5 Kilowatts, 10 Kilowatts, 15 Kilowatts, 20 Kilowatts |
| Configuration |
Downflow/Horizontal |
| Refrigerant |
R32 |
| SEER2 (Efficiency) |
13.4 |
| Condenser Stages |
Single Stage |
| Compressor Type |
Scroll |
| Electrical |
208 / 230 V. 1 Phase 60 Hz |
| Max Breaker Size |
50 amps |
| Min. Breaker Size |
34.5 amps |
| Tonnage |
4 Ton |
| Height |
42 3/4" |
| Width |
47" |
| Depth |
51" |
Manual
What our Experts Think
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Complete Packaged Heat Pump Solution – Combines heating and cooling in one outdoor unit, eliminating the need for separate indoor air handler or furnace components—simplifying installation and saving space.
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4 Ton / ~48,000 BTU Capacity – Well‑suited for medium to larger homes or light commercial spaces, providing balanced year‑round comfort.
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13.4 SEER2 Efficiency with R‑32 Refrigerant – Meets standard modern efficiency levels with eco‑friendlier R‑32 refrigerant, helping reduce electricity use and environmental impact.
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Single‑Stage Scroll Compressor – Proven, dependable compressor design that delivers consistent performance and easier serviceability.
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Multi‑Position Airflow Flexibility – Supports downflow and horizontal discharge options, offering installation adaptability in rooftops, slab, or tight mechanical spaces.
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ECM Blower & Quiet Operation – Built‑in multi‑speed ECM blower motor enhances airflow precision and comfort while keeping operation noise reasonable.
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Pre‑Charged & Ready to Install – Factory‑charged with refrigerant and tested to reduce installation time and potential setup issues.
Q&A
Q: What kind of system is this Goodman model?
A: It’s a 4‑ton (48,000 BTU) packaged heat pump unit that provides both heating and cooling in one outdoor cabinet, ideal for homes or light commercial spaces without separate indoor air handlers.
Q: What does 13.4 SEER2 mean?
A: 13.4 SEER2 is the system’s seasonal energy efficiency rating for cooling, helping reduce electricity use and meet current regulatory efficiency standards.
Q: How efficient is the heating performance?
A: This heat pump offers both cooling and heating performance (cooling ~48,000 BTU/h; heating ~45,500 BTU/h) with an HSPF2 around 6.7, providing comfortable year‑round operation.
Q: What refrigerant does it use?
A: The unit uses R32 refrigerant, which delivers improved energy efficiency and lower environmental impact than many older refrigerants.
Q: What type of compressor and airflow does it have?
A: It features a single‑stage scroll compressor and a multi‑speed ECM blower motor for reliable performance and consistent airflow.
Q: What installation options are supported?
A: Multi‑position airflow allows downflow or horizontal installation, providing flexibility for rooftops, curb mounts, or ground‑level installs.
Q: What voltage and power does it require?
A: The Goodman GPHM34831 runs on 208/230 V single‑phase power (60 Hz) typical for residential packaged units.
Maintenance Tips
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Keep Outdoor Unit Clear: Maintain at least 24 inches of clearance around the unit and remove leaves, dirt, and debris for proper airflow.
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Clean Condenser Coils: Rinse coils every 3–6 months to prevent dirt buildup and maintain SEER2 efficiency.
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Replace Air Filters Regularly: Change filters every 1–3 months to ensure airflow and protect the blower.
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Inspect Refrigerant Lines & Insulation: Check lines for damage and ensure insulation is intact for optimal R32 performance.
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Check Condensate Drain: Keep the drain line clear to prevent water buildup or system shutdowns.
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Schedule Annual Professional Service: Technicians should inspect electrical connections, refrigerant levels, fan motor, and overall system performance.
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Monitor System Performance: Unusual noises, weak cooling/heating, or rising energy bills indicate the need for prompt service.
Damage 
Loss 
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