Independent Review · Updated June 2026

2.5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Solid mid-range gas furnace and AC combo with reliable 80% AFUE and 14 SEER cooling.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$2761
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Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system works well for homeowners seeking dependable heating and cooling without premium pricing. The 80% AFUE furnace and 14 SEER air conditioner strike a practical balance for moderate climates, and the $2,761 price point offers solid value for a complete split system.

Review

The Goodman 2.5-ton gas furnace and air conditioner system represents the practical middle ground in residential HVAC. Priced at $2,761, this packaged solution targets homeowners and contractors who need dependable performance without premium features. Goodman's reputation for straightforward engineering and parts availability makes this system a trusted workhorse across the industry. The upflow configuration suits most residential installations, while the dual-fuel capability (natural gas or propane) adds flexibility for different utility setups.

Performance metrics show sensible engineering choices. The furnace delivers 80,000 BTU heating output at 80% AFUE, adequate for moderate climates but not cutting-edge. The air conditioning side produces 30,000 BTU cooling with 14 SEER efficiency, meeting 2023 baseline standards. Two burner stages and a variable-speed blower motor (0-2,000 CFM) enable better part-load operation than single-stage units. The rotary compressor uses standard R410A or R22 refrigerant, and suction/liquid line sizes (3/4 inch and 3/8 inch respectively) follow industry norms for 2.5-ton equipment.

Pros & Cons

Pros

  • Two-stage burner on furnace allows modulated heating, improving efficiency and comfort compared to single-stage alternatives
  • Variable-speed blower motor adapts airflow from 0 to 2,000 CFM for more precise temperature control
  • 14 SEER cooling efficiency meets current standards and qualifies for some utility rebates
  • 10-year warranty with online registration provides reasonable protection for residential use
  • Upflow/downflow configuration flexibility simplifies installation in various home layouts

Cons

  • 80% AFUE is functional but trails modern high-efficiency furnaces (90%+ AFUE) by a meaningful margin on heating bills
  • Single-stage compressor means the AC runs at full capacity even during mild days, reducing part-load efficiency
  • 72 dB noise level is slightly louder than premium units, noticeable during operation in open floor plans
  • Not ENERGY STAR certified, missing out on DOE recognition and some rebate programs

Who Should Buy

Best For

Homeowners in moderate climates replacing aging systems who prioritize upfront cost savings and straightforward installation over maximum efficiency. Contractors building value-tier systems for price-sensitive customers also find this package reliable and easy to stock.

Consider Alternatives If

Buyers in cold climates or homes with high heating demand should look at 90%+ AFUE units, and those prioritizing lowest operating costs should consider variable-capacity compressors.

2.5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Fu
$2761
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Installation

Installation demands competent but not specialized skills. The unit requires 120V single-phase 60Hz power with 17.1 to 25 amp breaker capacity, standard in most homes. Metal exhaust flue is mandatory for safety compliance. Supplied suction line insulation (3/4 inch thickness) and 50-foot line length accommodates typical home configurations. Upflow/downflow flexibility simplifies ductwork routing. Most licensed HVAC contractors complete installation within one day.

Warranty & Reliability

The 10-year manufacturer warranty applies when you register the product online, a low-friction requirement. Coverage includes parts and compressor defects but typically excludes wear items like capacitors. This timeframe aligns with residential system lifespans and offers reasonable protection. Extended warranties are available separately if you want longer coverage.

Specifications

SKULS38343850
Brand/ManufacturerOnline Supply
Cooling BTU30,000
Heating BTU80,000
RefrigerantR410A or R22
Electrical120 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)22.000000
FeatureSpec
Energy StarNo
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeRotary
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size25 amps
Min. Breaker Size17.1 amps
Tonnage3.5 Ton
Height22"
Width24.5"
Depth21"
ResourcesCAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
AHRI Certificate Number204633307
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorVariable Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line3/4"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How does 14 SEER compare to newer air conditioners? +
14 SEER meets current federal minimums but trails high-efficiency units (16-18 SEER). You'll see a noticeable difference in summer electricity costs, especially in hot climates. SEER measures seasonal average, so actual savings depend on local climate and usage patterns.
Can I use this with my existing ductwork? +
Yes, if your ducts are sized for 2.5-ton equipment and the system can be positioned for upflow or downflow operation. Have a technician verify ductwork static pressure and airflow capacity. Undersized ducts reduce efficiency and cooling capacity by 10-25 percent.
Is 80% AFUE efficient enough? +
It's adequate but not premium. Modern furnaces reach 90-96% AFUE. Over 15-20 years, a 90% unit saves roughly 1,500-2,500 dollars in heating fuel depending on climate. The tradeoff is higher upfront cost, typically 800-1,200 dollars more.
Why is the compressor single-stage if the furnace has two stages? +
Cost reduction. Single-stage compressors run at full load continuously, while two-stage furnaces modulate heating. This mismatch means AC efficiency drops during mild weather. Variable-capacity compressors cost 400-600 dollars more but improve part-load cooling efficiency by 15-20 percent.
Does the 10-year warranty cover labor? +
No, it covers parts and compressor defects only. Labor is your responsibility or your contractor's. Some contractors bundle their own service plans. Check your contract for labor coverage details.

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