Independent Review · Updated June 2026

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

Solid mid-tier 5-ton system balancing affordability with proven Goodman reliability

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 13 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This 5-ton Goodman system is ideal for contractors and homeowners looking for a dependable, affordable split system without premium pricing. The 13 SEER cooling and 80% AFUE heating deliver solid efficiency for most climates, making it a practical choice for budget-conscious replacements.

Review

The Goodman 5-ton split system sits squarely in the contractor-friendly, budget-conscious segment of the HVAC market. With 60,000 BTU cooling capacity and 80,000 BTU heating output, it handles typical single-family homes and light commercial applications. This unit replaces six older Goodman condenser models (GSX130603 through GSX130614), making it a straightforward swap for technicians working with existing installations. Online Supply positions this as a direct alternative for cost-sensitive jobs where brand continuity matters.

Performance specs show solid middle-ground engineering. The 13 SEER rating matches industry expectations for non-inverter systems, while the 80% AFUE furnace efficiency is functional though not exceptional by today's standards. The reciprocating compressor handles single-stage operation cleanly, trading variable capacity for mechanical simplicity and repair accessibility. Two-stage burners provide better comfort than single-stage ignition, and the high-efficiency multi-speed blower reaches 2,000 CFM maximum while adapting to actual load conditions. R410A refrigerant compatibility keeps it current with environmental standards.

Pros & Cons

Pros

  • 13 SEER rating provides respectable cooling efficiency at an accessible price point
  • 80,000 BTU heating capacity with two-stage burners allows better comfort modulation than single-stage units
  • Two-speed blower motor optimizes airflow between 60,000 and 2,000 CFM based on demand
  • Compact dimensions (30x21x21 inches) fit standard equipment pads with minimal space requirements
  • 10-year warranty with online registration covers parts and labor in most regions

Cons

  • 80% AFUE is baseline for modern furnaces, not high-efficiency like 95% AFUE condensing models
  • Single-stage compressor lacks variable capacity found in higher-tier systems, less responsive to partial-load conditions
  • Not Energy Star certified, so it misses federal recognition for efficiency standards
  • 77 dB noise level is moderately loud, noticeable during operation compared to quieter variable-speed units

Who Should Buy

Best For

Contractors stocking affordable replacements for older Goodman units or homeowners replacing failed systems in moderate climates where premium efficiency isn't justified by utility savings. This works well for rental properties and secondary residences where upfront cost matters more than energy optimization.

Consider Alternatives If

Buyers in extreme climates or those prioritizing annual energy bill reduction should consider higher SEER (14-16) and AFUE (90%+) models, which recoup higher purchase prices through utility savings.

5 Ton 13 SEER 80% AFUE 80,000 BTU Goodman Gas Furn
$0
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Installation

Installation follows conventional split-system procedures with minimal complexity. The upflow configuration suits basement or utility closet placement, and the compact footprint (30x21x21 inches) fits standard pads. Line sets require 3/8 inch suction and 7/8 inch liquid lines with sweat valves, standard fitting for most HVAC shops. Metal exhaust flue and 120V/60Hz electrical requirements are straightforward. Expect 4 to 6 hours for an experienced two-person crew on a replacement job.

Warranty & Reliability

The 10-year parts warranty with online registration provides solid protection for residential applications. Coverage typically includes compressor, heat exchanger, and coil defects, though specific terms depend on regional dealer policies. Registration is straightforward and should be completed immediately after installation to activate coverage and establish documentation for any future claims.

Specifications

SKULS38783830
Brand/ManufacturerOnline Supply
Cooling BTU60,000
Heating BTU80,000
RefrigerantR410A or R22
Electrical120 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)77
Weight (in lbs)30.000000
FeatureSpec
ReplacesGSX130603, GSX130604, GSX130605, GSX130611, GSX130613, GSX130614
Energy StarNo
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Line3/8"
Suction Line7/8"
Liquid Valve Size3/8"
Max Breaker Size45 amps
Min. Breaker Size32.8 amps
Tonnage5 Ton
Valve TypeSweat
Height30"
Width21"
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.
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorHigh Efficiency Multi-Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypeGas
StyleA-Coil
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

Is this system Energy Star certified? +
No. The 13 SEER cooling and 80% AFUE heating don't meet Energy Star thresholds, which require 15+ SEER and 90%+ AFUE. This means no federal rebates, though local utility programs may still apply. Energy Star gaps usually represent $500 to $1,200 in foregone incentives.
Can this replace my existing Goodman condenser unit? +
Yes, it directly replaces GSX130603, GSX130604, GSX130605, GSX130611, GSX130613, and GSX130614 models. Line set connections and electrical requirements are compatible, making replacement straightforward if your indoor coil matches the evaporator specifications.
How does 13 SEER compare to newer units? +
13 SEER is solid but not cutting-edge. Modern systems range 14 to 18 SEER. The difference means roughly 10 to 15 percent higher cooling energy use. For a 2,000-hour cooling season, expect additional electricity costs of $150 to $300 annually compared to 15 SEER equipment.
Is a single-stage compressor a limitation? +
Single-stage compressors run full capacity or off, lacking the modulation of variable-speed models. This reduces comfort precision and slightly increases utility costs. However, they're mechanically simpler, more repairable, and less expensive to maintain long-term.
What's the warranty coverage if I don't register online? +
Registration activates the full 10-year warranty. Without it, coverage may default to shorter periods or parts-only protection. Register immediately after installation to ensure maximum coverage and keep documentation on file.

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