Goodman 3.5 Ton 15.2 SEER2 R32 AC System with 80,000 BTU 80% AFUE Gas Furnace – California & Colorado Ultra Low NOx, Upflow, Multi-Speed ECM
Check current price on AC Direct →
Key features
- 15.2 SEER2 cooling efficiency meets current federal minimum for northern and most southern regions
- 80,000 BTU 80% AFUE single-stage gas furnace with multi-speed ECM blower motor
- Upflow configuration designed for basement, crawlspace, or closet installations
- R-32 refrigerant with a global warming potential roughly 68% lower than R-410A
- California and Colorado Ultra Low NOx certified, ready to permit in both states
- Factory-matched system designed for upflow duct connections with standard line-set compatibility
About this system
The Goodman 3.5-ton 15.2 SEER2 R-32 split system pairs a mid-efficiency central air conditioner with an 80,000 BTU 80% AFUE multi-speed ECM gas furnace in an upflow configuration. It is engineered specifically to meet California and Colorado Ultra Low NOx emissions standards, making it one of the few packaged combos that ships ready to install in those states without an aftermarket NOx retrofit. The R-32 refrigerant charge is a forward-looking detail: R-32 has a global warming potential roughly 68 percent lower than the R-410A it replaces, and it operates at slightly higher pressures, so any technician you hire should confirm familiarity with the refrigerant before touching the system.
At 15.2 SEER2 and 80% AFUE, this system sits at the federal minimum efficiency tier for most northern climate zones and just above the new federal minimum for the Southwest. That means operating costs will be higher over time than a 16-plus SEER2 or a 96% AFUE furnace would produce, but the lower purchase price can offset that gap depending on how many heating and cooling hours your location logs annually. The multi-speed ECM blower motor does add a meaningful comfort benefit over a single-speed PSC motor: it ramps airflow up gradually, reduces temperature swings, and runs more quietly at lower demand. For a 1,800-to-2,400-square-foot home in a moderate climate, this output range is a reasonable fit, provided the load calculation actually calls for 3.5 tons.
This Goodman combo delivers a functional, code-compliant HVAC solution for homeowners who need a UL NOx-ready system in California or Colorado without paying a premium-brand premium. Efficiency is at the floor of current standards, so long-term utility savings will be modest compared to higher-tier options. Longevity leans heavily on installer quality and whether you budget for routine maintenance after the warranty period.
Overall score is the average of the five ratings above.
What we like
- Priced roughly 15 to 25 percent below comparable Carrier, Trane, and Lennox systems, lowering the upfront barrier significantly
- Ultra Low NOx certification means no extra steps or parts to pass California or Colorado permitting
- R-32 refrigerant is future-proofed against upcoming regulatory phase-downs that will affect R-410A systems
- Multi-speed ECM blower improves comfort and air distribution compared to a basic single-speed motor
- Factory-matched AC and furnace combination simplifies warranty administration and reduces compatibility guesswork
Trade-offs
- 80% AFUE is at the low end of modern furnace efficiency, resulting in higher annual gas costs versus 96% AFUE alternatives
- 15.2 SEER2 is the minimum efficiency tier; homeowners in hot climates will see a larger utility cost gap versus higher-SEER2 units over a 10-plus year lifespan
- Goodman compressors average 10 to 14 years in documented owner experience, versus 15 to 20 years typically reported for premium brands
- Dual-run capacitor failures and evaporator coil leaks are the most frequently reported repair issues, adding out-of-pocket costs after the parts warranty period
What homeowners and pros say about Goodman
Homeowners who post about Goodman equipment on review platforms tend to fall into two groups. On ConsumerAffairs, where the platform skews toward dissatisfied buyers, Goodman holds roughly 2.5 out of 5 stars, with the recurring thread being repair costs that climb after about year seven. The most frequently named hardware issues are dual-run capacitor failures and evaporator coil leaks, neither of which is unique to Goodman, but both of which appear with enough frequency in owner accounts to warrant a repair budget after the factory parts coverage lapses. Compressor lifespan is another documented trade-off: owner experience and service data suggest Goodman compressors average 10 to 14 years, compared to the 15 to 20 years commonly reported for premium-brand compressors.
The picture from installer-facing Google dealer reviews is more balanced, with Goodman averaging around 3.8 out of 5 across hundreds of reviews per location. Affordability is the most consistent praise, and many HVAC contractors acknowledge that a properly installed Goodman with routine maintenance can perform reliably for a decade or more. The professional consensus is that install quality is the single largest variable in how long one of these systems lasts, which puts significant weight on choosing an experienced contractor who is comfortable with R-32 refrigerant and who will perform a proper Manual J load calculation before selecting equipment. For this specific UL NOx combo, that install-quality factor is, if anything, more pronounced given the R-32 handling requirements.
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 15.2 SEER2, cooling this 3.5-ton system for a typical 1200-hour cooling season at the U.S. average electricity rate of $0.17/kWh works out to roughly $564 per year in cooling, about $75 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: (42,000 BTU/hr ÷ 15.2 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 | 3.5 Ton 15.2 SEER2 R-32 AC + 80K BTU 80% AFUE ECM Furnace (this system) | 15.2 | Single-stage | Value pick |
| Carrier | Comfort 15 Series (CA15 / 58CV) | 15.2 | Single-stage | Typically 15 to 25 percent more than Goodman |
| Trane | XR15 / S8X1 80% Gas Furnace | 15.2 | Single-stage | Typically 15 to 25 percent more than Goodman |
| Lennox | Merit 14ACX / ML180 80% Gas Furnace | 14.3 to 15.2 depending on coil match | 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 this system actually legal to install in California and Colorado, or do I need extra NOx parts?
This unit ships with Ultra Low NOx certification already built in for both states, so no aftermarket burner kits or additional parts are required to pull a permit. Confirm with your local authority having jurisdiction, as some California air districts have additional requirements, but the furnace itself meets the emissions threshold as delivered.
My tech has only worked with R-410A. Is R-32 a problem?
R-32 operates at higher pressures than R-410A and is classified as mildly flammable (A2L), so it requires specific handling procedures and, in many jurisdictions, certified technicians. Before scheduling installation, confirm your contractor has R-32 experience and that their recovery equipment is rated for it. Using an unfamiliar technician is one documented source of early refrigerant leaks on R-32 systems.
What repairs should I expect to budget for over the first 10 years?
The most commonly reported failure on Goodman AC systems is the dual-run capacitor, a relatively inexpensive fix typically running 300 to 600 dollars including labor. Evaporator coil leaks are a second documented failure mode and cost considerably more to address. Setting aside a dedicated maintenance fund after the parts warranty expires is a practical approach.
Will the multi-speed ECM furnace actually feel different from a standard single-speed unit?
In most cases, yes. The ECM motor ramps up gradually rather than blasting full airflow immediately, which reduces the hot-and-cold cycling feeling and tends to run more quietly at partial load. It also helps with air distribution in homes where some rooms tend to get less airflow than others.
Is 3.5 tons the right size for my home, or should I size up to 4 tons to be safe?
Oversizing is one of the most common and costly mistakes in HVAC installation. A system that is too large short-cycles, reducing dehumidification and increasing wear. The correct size depends on a Manual J load calculation that accounts for your square footage, insulation levels, window area, and local climate. Do not accept a sizing recommendation based on square footage alone.
Specifications
| Cooling capacity | 3.5 Ton |
| Efficiency | 15.2 SEER2 |
| Furnace output | 80,000 BTU |
| Furnace efficiency | 80% AFUE |
| Configuration | Upflow |
| Refrigerant | R-32 |