Goodman 3 Ton Package Unit Gas / Electric AC – 81% Efficiency 80000 BTU | 13.4 SEER2 Multi-Positional | R32
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Key features
- 3-ton cooling capacity with 13.4 SEER2 efficiency rating
- 80,000 BTU gas heat section at 81% thermal efficiency
- Multi-positional cabinet supports horizontal, downflow, and upflow duct connections
- R-32 refrigerant with lower global warming potential than R-410A
- Single self-contained cabinet eliminates need for separate indoor air handler or furnace
- Factory-matched components designed to simplify installation and warranty compliance
About this system
The Goodman GPGM33608031 is a 3-ton packaged gas/electric unit that combines a 13.4 SEER2-rated cooling system with an 80,000 BTU gas furnace section in a single self-contained cabinet. That all-in-one design makes it a practical choice for homes without interior space for separate air-handler or furnace equipment, including manufactured homes, rooftop applications, and crawlspace installs where ductwork connects directly to the unit outside. The multi-positional configuration supports horizontal, downflow, and upflow duct connections, giving installers flexibility on placement without ordering a dedicated configuration.
At 13.4 SEER2, this unit sits at the federal minimum efficiency threshold for most U.S. climate zones, which means it meets code but does not deliver the utility-bill savings you would see from a 15 SEER2 or higher system. The gas heat section carries an implied 81 percent thermal efficiency, which is standard single-stage non-condensing furnace territory. R-32 refrigerant is a step forward environmentally, carrying a global warming potential roughly 68 percent lower than R-410A, and it operates at slightly lower pressures, which can ease future service calls. For buyers whose first priority is keeping upfront cost down in a packaged-unit application, this system occupies a well-defined and honest niche.
The GPGM33608031 is a straightforward, entry-level packaged unit that delivers on its core promise: an affordable all-in-one heating and cooling solution for homes where a split system is not practical. Efficiency is at the floor of current standards, and long-term reliability will depend heavily on installation quality and how quickly minor component failures get addressed. Buyers who need a packaged unit on a budget and can pair it with a competent installer will find it serviceable; those who want lower operating costs or premium longevity should budget up.
Overall score is the average of the five ratings above.
What we like
- Priced 15 to 25 percent below comparable Carrier, Trane, and Lennox packaged units
- Multi-positional cabinet offers genuine installation flexibility for varied duct configurations
- R-32 refrigerant is a more environmentally responsible choice and increasingly well-supported by technicians
- All-in-one package simplifies the installation footprint for homes without interior mechanical space
- Factory-matched gas and cooling sections reduce compatibility guesswork for installers
Trade-offs
- 13.4 SEER2 is the regulatory minimum, so energy savings versus an older system may be modest and monthly bills will be higher than mid- or high-efficiency alternatives
- Dual-run capacitors are a documented early failure point, and evaporator coil leaks appear in a meaningful share of owner reports
- Compressor lifespan averages 10 to 14 years versus 15 to 20 years for premium-brand compressors, raising the probability of a major repair before the unit reaches typical replacement age
- Performance is heavily install-dependent, and a poor charge or duct connection at startup can set the tone for years of callbacks
What homeowners and pros say about Goodman
On Google dealer review pages, where Goodman as a brand averages around 3.8 out of 5 stars across a few hundred reviews per location, the praise points consistently to price. Buyers who got a packaged unit installed for noticeably less than a Carrier or Trane quote tend to report satisfaction in the early years, particularly when the installing contractor was experienced with the brand. The GPGM33608031 fits that pattern: it is the unit buyers choose when budget is the controlling variable and the application, a manufactured home, rooftop mount, or tight crawlspace, does not easily accommodate a split system.
The harder picture comes from ConsumerAffairs, where Goodman sits at roughly 2.5 out of 5 stars on a channel that skews heavily toward dissatisfied owners. The recurring theme there is repair costs that climb after roughly year seven, which aligns with the documented failure profile: dual-run capacitors going out, evaporator coil leaks emerging in a meaningful share of units, and compressors that average 10 to 14 years rather than the 15 to 20 years owners of premium brands more often report. Refrigerant leaks reported within the first year are also a documented pattern, and technicians consistently point to installation quality as the variable that separates the units that run cleanly for a decade from the ones that spend years in a repair cycle. For this packaged unit specifically, the R-32 refrigerant is a genuine point in its favor, but the efficiency and reliability ceiling remains what the price reflects.
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 3-ton system for a typical 1200-hour cooling season at the U.S. average electricity rate of $0.17/kWh works out to roughly $548 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: (36,000 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 | GPGM33608031 | 13.4 | Single-stage | Value pick |
| Carrier | WeatherMaster 50XC | 14.0 | Single-stage | Roughly 20 to 25 percent more than this Goodman |
| Trane | YCC/THP2 (Precedent Series) | 14.0 | Single-stage | Roughly 20 to 25 percent more than this Goodman |
| Lennox | LRP14GE (Elite Packaged Gas-Electric) | 14.0 | Single-stage | Roughly 15 to 20 percent more than this Goodman |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Can this unit be installed on a rooftop as well as at ground level?
Yes. The multi-positional cabinet is designed for rooftop curb mounting as well as ground-level slab installation, and it supports horizontal duct connections common in both configurations. Confirm with your installer that the correct duct collar orientation and curb adapter are used for your specific application.
What does 81 percent furnace efficiency mean for my heating bills, and is that considered good?
An 81 percent AFUE rating means roughly 19 cents of every dollar spent on gas escapes as exhaust heat rather than warming your home. That is standard non-condensing furnace territory and meets code in most climates, but condensing units at 90 to 96 percent AFUE will cut heating costs noticeably in colder regions. For mild-winter climates where heating is a secondary concern, the difference in annual savings is smaller.
What are the most likely repairs I should plan for over the first 10 years?
Dual-run capacitors are the most commonly reported failure point on Goodman equipment and are generally a quick, low-cost repair in the 300 to 600 dollar range. Evaporator coil leaks show up in a meaningful share of owner reviews and are more expensive to address. A small minority of owners report refrigerant leaks within the first year, which is typically a charge or connection issue from installation rather than a unit defect.
Does this unit use R-32 refrigerant, and will that make future service calls harder to find?
Yes, this unit uses R-32, which is increasingly common as R-410A is phased down under current EPA regulations. Most HVAC supply houses are stocking R-32, and technician familiarity is growing, so service availability is not a significant concern in most metro areas. Confirm your local service provider has R-32 experience before committing to the install.
What warranty does this unit carry, and are there conditions I need to meet to keep it valid?
Goodman typically covers registered units with a 10-year parts warranty, but you must register the unit within a set window after installation and the work must be performed by a licensed contractor. Failure to register usually drops coverage to a shorter base warranty. Review the warranty certificate shipped with the unit before installation is complete, and keep all paperwork.
Specifications
| Cooling capacity | 3 Ton |
| Efficiency | 13.4 SEER2 |
| Furnace output | 80000 BTU |
| Configuration | Multi-Position |
| Refrigerant | R-32 |
| Model | GPGM33608031 |