Independent Review · Updated June 2026

2.5 Ton 13 SEER 97% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

97% AFUE furnace with 13 SEER cooling delivers impressive efficiency in compact downflow design

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 13 SEER 97% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow
Current Price
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// Bottom Line
This system excels for homeowners upgrading older equipment who want genuine efficiency gains without paying premium prices. The 97% AFUE heating and 13 SEER cooling combination delivers measurable utility bill reductions, especially in mixed climates where both heating and cooling run frequently.

Review

This 2.5-ton Goodman gas furnace and air conditioner combination targets budget-conscious homeowners and contractors seeking reliable mid-range efficiency. The system pairs an 80,000 BTU furnace with a 30,000 BTU cooling condenser, delivering balanced performance for mixed-climate applications. Its downflow A-coil configuration addresses a specific installation challenge, fitting properties where horizontal mounted equipment is the only practical option. The equipment earns Energy Star certification and comes from a manufacturer with 40 years of commercial HVAC experience.

Performance metrics justify the efficiency claims. The furnace achieves 97% AFUE through a modulating burner that adjusts flame intensity rather than cycling on-off, directly reducing heating waste. The cooling side delivers 13 SEER rating via a single-stage reciprocating compressor running at 73 dB. A variable-speed ECM blower motor adjusts airflow between 0 and 1,200 CFM based on demand. This design approach trades off maximum efficiency potential against cost-effectiveness and reliability, making it practical for homeowners uncomfortable paying premium prices for top-tier systems.

Pros & Cons

Pros

  • 97% AFUE furnace efficiency with modulating burner stages minimizes energy waste during heating cycles
  • 13 SEER cooling rating meets Energy Star standards, reducing summer cooling costs
  • Variable-speed ECM blower motor adapts to demand, improving comfort and efficiency
  • Compact downflow A-coil design fits tight installations where horizontal mounted equipment is required
  • 10-year warranty with online registration provides solid long-term protection on parts

Cons

  • Single-stage reciprocating compressor limits part-load efficiency compared to multi-stage or scroll designs
  • 73 dB noise level runs slightly louder than premium competitors during cooling operation
  • R454B refrigerant supply may be limited at smaller HVAC suppliers in rural areas

Who Should Buy

Best For

Homeowners in moderate climates replacing 10-plus-year-old split systems who prioritize heating efficiency. Contractors valuing straightforward installation in space-constrained attics or basements benefit from the compact 34.5-inch height and downflow configuration.

Consider Alternatives If

Buyers in extreme heating climates expecting premium comfort should compare multi-stage furnaces, and those seeking quieter operation should audition lower dB units.

2.5 Ton 13 SEER 97% AFUE 80,000 BTU Goodman Gas Fu
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Installation

The downflow configuration requires proper ductwork alignment below the unit, with intake air from the return plenum and supply air directed downward. Standard sweat valve connections use 3/8-inch liquid and 3/4-inch suction lines with 3/4-inch insulation thickness. Electrical demand remains modest at 115V single-phase 60Hz with a 16.7 to 25-amp breaker range, avoiding costly panel upgrades. The 120-pound unit fits tight spaces at 34.5 inches tall, 17.5 inches wide, and 28.75 inches deep. Plastic PVC exhaust flue is required.

Warranty & Reliability

Goodman backs this system with a 10-year parts warranty when you register online within 30 days of installation. This covers compressor failures, heat exchanger cracks, and major component defects. Coverage excludes labor costs and improper installation, so hiring a certified technician matters. Registration is straightforward and typically takes five minutes on Goodman's website.

Specifications

SKUACIQ-30-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU30,000
Heating BTU80,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73
Weight (in lbs)120.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Line3/8"
Suction Line3/4"
Liquid Valve Size3/8"
Max Breaker Size25 amps
Min. Breaker Size16.7 amps
Tonnage2.5 Ton
Valve TypeSweat
Height34.5"
Width17.5"
Depth28.75"
ResourcesGoodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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.
ConfigurationDownflow/Horizontal
StyleA-Coil
AHRI Certificate Number7424270
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM1200
Flue LocationRight
Burner StagesModulating
Fuel TypePropane, Natural Gas
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How does 13 SEER compare to newer SEER2 ratings? +
SEER2 testing uses more realistic cooling conditions and typically runs 15-20% lower than old SEER numbers. A 13 SEER unit approximates 10-11 SEER2, respectable but not cutting-edge. If comparing to newer competitor models, request their SEER2 rating for accurate comparison.
Can this downflow unit work in a crawlspace installation? +
Yes, downflow configuration is specifically designed for that scenario. Intake air draws from the return plenum above the unit, and supply air pushes downward through floor registers. Verify crawlspace height accommodates the 34.5-inch unit plus ductwork connections before ordering.
What annual heating savings should I expect with 97% AFUE? +
Upgrading from an 80% AFUE furnace saves roughly 17% on heating costs. A household spending $1,200 annually on heating could save $200-240 per year. Actual savings depend on natural gas rates, climate, and home insulation quality in your specific location.
How does this system compare to a heat pump in southern climates? +
Gas furnaces excel in heating-heavy climates while heat pumps dominate in mild winters. In the South where heating needs drop below 5,000 hours annually, a heat pump may deliver better economics. This system works better in mixed climates requiring consistent heating and cooling.
Does the online registration really matter for the warranty? +
Yes. Without registration within 30 days of installation, warranty coverage defaults to 5 years. Registration is free and takes minutes on Goodman's website, unlocking the full 10-year benefit.

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