Independent Review · Updated June 2026

3 Ton 13 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency dual-fuel system delivering 96% AFUE heating and 13 SEER cooling for under $750

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 13 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$736
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system is ideal for contractors and homeowners seeking a budget-conscious upgrade that doesn't sacrifice efficiency. The 96% AFUE furnace and 13 SEER condenser deliver solid year-round performance, making it particularly attractive for mixed climates where both heating and cooling demand significant energy.

Review

The Goodman ACiQ 3-ton upflow system positions itself in the accessible mid-market segment where contractors and homeowners balance performance against budget constraints. Priced at $736, it competes directly against builder-grade units while offering tangible efficiency upgrades. The combination of 96% AFUE heating and 13 SEER cooling aligns with modern efficiency standards, though the single-stage compressor and reciprocating design target reliability over cutting-edge performance.

Heating delivers 80,000 BTU through two burner stages, reaching 96% fuel efficiency that translates to measurable savings on monthly gas bills. Cooling capacity of 36,000 BTU at 13 SEER meets Energy Star requirements and uses eco-friendly R454B refrigerant. The variable-speed ECM blower can push up to 1,600 CFM and automatically adjusts to part-load conditions, preventing the constant cycling that wastes energy in traditional single-speed systems. Electrical requirements are modest, needing only a 19.1 to 30-amp circuit at 115V single phase.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating costs by roughly 15-20% versus older 80 AFUE units
  • 13 SEER cooling efficiency with R454B refrigerant meets Energy Star standards
  • Dual-fuel capability supports natural gas and propane for installation flexibility
  • Variable-speed ECM blower motor adjusts to actual demand, improving comfort and reducing runtime
  • Lifetime heat exchanger warranty provides long-term protection on the most expensive component
  • Two-stage burner operation minimizes cycling losses during partial heating loads

Cons

  • Single-stage cooling compressor cannot modulate capacity, leading to higher energy use during mild weather
  • 74 dB decibel rating falls into the louder range for outdoor condensers, noticeable to nearby properties
  • Tonnage mismatch noted in specs: listed as both 3 ton and 3.5 ton, creating potential confusion on sizing

Who Should Buy

Best For

Contractors handling mid-range residential replacements and homeowners in moderate climates needing reliable heating and cooling without premium pricing. This system works best for homes with 2000-2500 square feet where efficiency gains deliver measurable utility savings within 5-7 years.

Consider Alternatives If

Skip this if you need variable-capacity cooling for hot climates, require ultra-quiet operation near sleeping areas, or want SEER2 ratings above 14 for maximum efficiency.

3 Ton 13 SEER 96% AFUE 80,000 BTU Goodman Gas Furn
$736
Buy at HVACDirect →

Installation

Upflow/horizontal A-coil configuration requires proper ducting orientation and support structure, but installation complexity remains moderate. Suction line is 7/8 inch with 3/8 inch insulation thickness, liquid line is 3/8 inch. Right-side flue location demands flexible PVC exhaust routing. Total system footprint measures 34.5 inches tall and 21 inches wide, fitting standard closets and utility rooms without major framing.

Warranty & Reliability

Lifetime heat exchanger warranty covers the costliest component indefinitely, while parts carry 10-year coverage with online registration required. This protection reflects Goodman's confidence in reciprocating compressor and coil durability. Registration is quick and necessary to activate the extended parts warranty, protecting you against compressor failure costs exceeding $1,200.

Specifications

SKUACiQ-36-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU36,000
Heating BTU80,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger and 10 Years Parts with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
ReplacesGSX130362, GSX130363, GSX130365
Energy StarYes
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size30 amps
Min. Breaker Size19.1 amps
Tonnage3.5 Ton
Valve TypeSweat
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Install 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.
ConfigurationUpflow/Horizontal
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
AHRI Certificate Number7368835
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM1600
Flue LocationRight
Burner StagesTwo
Fuel TypePropane, Natural Gas
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

What is the actual tonnage: 3 ton or 3.5 ton? +
Specs conflict between header info and cooling capacity. At 36,000 BTU cooling divided by 12,000 per ton, this is accurately a 3-ton system. The 3.5-ton listing appears to be documentation error. Verify with your dealer before purchase to ensure proper sizing for your home's square footage.
Can I use this with my existing ductwork? +
Upflow configuration requires vertical ductwork above the unit. Maximum CFM of 1,600 determines whether your ducts can handle airflow without excessive static pressure. Existing ductwork sized for 3-ton systems (typically 3.5-inch to 4-inch main trunk) should accommodate this unit, but an HVAC contractor should verify duct sizing before installation.
How much can I save on heating costs versus my old furnace? +
Moving from an 80 AFUE system to 96 AFUE improves efficiency by 16 percentage points, translating to roughly 13-15% lower heating costs assuming identical usage. On average heating bills of $1,200 per year in cold climates, expect $160-180 annual savings, recovering your investment within 4-5 years.
Why does this cost less than competing brands at similar efficiency? +
Single-stage cooling and reciprocating compressor design reduce manufacturing complexity compared to variable-capacity competitors. Goodman prioritizes proven reliability and volume production over premium features. You lose modulation capability but gain straightforward serviceability and lower upfront cost.
Do I need online registration for the warranty? +
Yes. The 10-year parts coverage requires online registration within 30 days of installation. The lifetime heat exchanger warranty activates without registration. Skipping registration limits you to basic manufacturer coverage, so complete the process immediately after installation.

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