Goodman 4 Ton Package Unit Gas / Electric AC – 81% Efficiency 100000 BTU | 13.4 SEER2 Multi-Positional | R32
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Key features
- 4-ton cooling capacity with 13.4 SEER2 efficiency rating
- 100,000 BTU gas heat section at 81% AFUE
- Multi-positional cabinet supports rooftop or ground-level horizontal installs
- R-32 refrigerant with lower global warming potential than R-410A
- All-in-one packaged design eliminates the need for indoor air handling equipment
- Single-stage operation on both cooling and heating
About this system
The Goodman GPGM34810041 is a 4-ton packaged gas/electric unit combining a 13.4 SEER2 cooling system with a 100,000 BTU furnace section rated at 81% AFUE. Because everything, the compressor, coil, blower, and gas heat exchanger, lives in a single outdoor cabinet, this configuration is a practical fit for slab homes, manufactured housing, and light commercial spaces where there is no interior room for split-system air handling equipment. The multi-positional design allows installation in horizontal rooftop or ground-level configurations, which gives contractors some flexibility on the job.
At 13.4 SEER2, this unit clears the federal minimum threshold for most U.S. climate regions and nothing more. That is honest baseline efficiency: monthly operating costs will be higher than a 16 or 17 SEER2 system over a decade of use, but the lower purchase price can offset that gap depending on local electricity rates and how many cooling hours your region logs annually. The 81% furnace efficiency is similarly entry-level; roughly 19 cents of every heating dollar exits through the flue. Homeowners in mild-winter climates who lean primarily on the cooling side will feel that trade-off less than those in colder regions running the gas section hard from November through March. R-32 refrigerant replaces the older R-410A and carries a lower global warming potential, which is a regulatory and environmental positive even if it does not change day-to-day performance.
The GPGM34810031 is a workmanlike entry-level package unit that delivers on its core promise: reliable all-in-one heating and cooling at a price point well below comparable Carrier, Trane, or Lennox equipment. Efficiency sits at the regulatory floor, and long-term ownership costs depend heavily on how well it is installed and maintained. Buyers who prioritize upfront affordability and have a competent installer lined up will find it a reasonable fit; those expecting premium longevity or low operating costs should temper expectations.
Overall score is the average of the five ratings above.
What we like
- Purchase price runs 15 to 25 percent below comparable Carrier, Trane, and Lennox package units
- Multi-positional design suits rooftop or ground-level installs without requiring indoor equipment space
- R-32 refrigerant is a forward-looking choice with lower environmental impact than R-410A
- Widely available replacement parts through most HVAC supply houses, keeping repair costs down
- Straightforward single-stage design means most technicians are familiar with the platform
Trade-offs
- 13.4 SEER2 is the efficiency floor, not a selling point; higher-SEER2 alternatives will cost less to run monthly
- 81% AFUE heating efficiency wastes roughly one-fifth of every heating dollar, a real cost in cold climates
- Compressor lifespan averages 10 to 14 years versus 15 to 20 years for premium-brand compressors
- Evaporator coil leaks and early refrigerant loss are documented failure modes; a small share of owners report refrigerant issues in the first year, often tied to install quality
What homeowners and pros say about Goodman
On consumer review platforms, Goodman occupies a familiar position: praised loudly for price, criticized loudly when something goes wrong. The brand sits at roughly 2.5 out of 5 on ConsumerAffairs, a channel that skews toward frustrated owners, where the recurring pattern is satisfaction in the early years followed by frustration as repair costs climb after roughly year seven. Google dealer reviews tell a more moderate story, averaging around 3.8 out of 5 across dealer locations, where affordability and accessibility of parts come up most often as positives. For a packaged unit like this one, the consensus among owners is that the equipment does what it says it will do when it is set up correctly from day one.
HVAC technicians tend to have a pragmatic view of Goodman package units. They note that the dual-run capacitor is the most predictable failure point, a repair that typically runs 300 to 600 dollars and is considered routine on this platform. Evaporator coil leaks are a more serious concern that shows up in a meaningful share of owner accounts, and compressor longevity averaging 10 to 14 years falls short of the 15 to 20 years technicians associate with premium brands. A minority of first-year refrigerant loss reports are almost always traced back to installation or charging issues rather than factory defects, which reinforces the consistent technician advice: the quality of the installer matters as much as the quality of the equipment on any Goodman product.
Sources: ConsumerAffairs Goodman owner reviews, AHRI Directory of Certified Product Performance, U.S. DOE appliance and equipment efficiency standards, Goodman product specification sheets.
What it costs to run
At 13.4 SEER2, cooling this 4-ton system for a typical 1200-hour cooling season at the U.S. average electricity rate of $0.17/kWh works out to roughly $731 per year in cooling, about $0 less per year than a minimum-efficiency 13.4 SEER2 unit of the same size. Your real cost depends on your climate and local rate.
Method: (48,000 BTU/hr ÷ 13.4 SEER2) × 1200 hours ÷ 1000 × $0.17/kWh. Rate source: U.S. EIA average; cooling hours: moderate-climate estimate.
How it compares
| Brand | Comparable model | SEER2 | Stage | Price position |
|---|---|---|---|---|
| Goodman | GPGM34810031 | 13.4 | Single-stage | Value pick |
| Carrier | Comfort 13 Packaged Gas/Electric (50XCG series) | 13.4 | Single-stage | Typically 15 to 25 percent more than Goodman |
| Trane | XR13c Packaged Gas/Electric (YCC/YHC series) | 13.4 | Single-stage | Typically 15 to 25 percent more than Goodman |
| Lennox | Merit Series Packaged Gas/Electric (LRP14GE series) | 14.0 | Single-stage | Typically 15 to 25 percent more than Goodman |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Is 13.4 SEER2 going to cost me significantly more to run than a higher-efficiency unit?
Yes, the gap is real, especially in hot climates with long cooling seasons. A 16 SEER2 system uses roughly 16 percent less electricity per cooling hour, and over 10 to 15 years that difference in utility bills can exceed the upfront price gap between units. If your home runs the AC heavily from May through September, it is worth pricing out a higher-efficiency option before committing.
What does multi-positional mean for a package unit, and does it affect what my installer needs to do?
Multi-positional means the cabinet is engineered to be installed horizontally at ground level or on a rooftop curb, which covers the two most common package unit configurations. Your installer needs to confirm which orientation your existing pad or curb requires and that ductwork connections match; it does not add significant complexity, but it is a detail to confirm before the unit ships.
What are the most likely repair bills I should plan for over the first 10 years?
Dual-run capacitor failures are the most commonly reported issue on Goodman equipment and typically cost between 300 and 600 dollars including labor. Evaporator coil leaks are a documented concern and are more expensive to address. A small number of owners have also reported refrigerant loss within the first year, which is often a sign of an install or charging problem rather than a defective unit.
How does Goodman's warranty work on this unit, and do I need to register it?
Goodman generally offers a 10-year parts limited warranty when the unit is registered within 60 days of installation by a licensed contractor; without registration the coverage typically drops to 5 years. The warranty covers parts but not labor, so a compressor replacement inside the warranty window still means paying a technician for several hours of work. Confirm current warranty terms on Goodman's site at time of purchase, as they can change.
Why does R-32 refrigerant matter, and will it be hard to find a technician who can service it?
R-32 has a global warming potential roughly 68 percent lower than R-410A, which is why manufacturers are transitioning to it ahead of tightening EPA regulations. From a service standpoint, R-32 requires technicians to use compatible equipment and follow slightly different handling procedures due to its mild flammability classification (A2L), but it is not exotic; most current-generation HVAC technicians are trained on it or will be soon. Availability of the refrigerant itself is not a concern.
Specifications
| Cooling capacity | 4 Ton |
| Efficiency | 13.4 SEER2 |
| Furnace output | 100000 BTU |
| Configuration | Multi-Position |
| Refrigerant | R-32 |
| Model | GPGM34810031 |