Independent Review · Updated June 2026

3 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Solid 96% AFUE furnace with 13 SEER cooling for budget-conscious replacements

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 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This Goodman system works best for homeowners replacing older GSX models who want reliable, efficient performance without premium pricing. It's a straightforward equipment choice for contractors installing upflow systems in homes with space constraints.

Review

The Goodman 3-ton gas furnace and air conditioner system represents the practical middle ground in residential HVAC equipment. Positioned as a direct replacement for older Goodman models like the GSX130362 and GSX130363, it targets homeowners and contractors prioritizing proven reliability over cutting-edge features. The upflow A-coil configuration makes it ideal for basements and utility closets where space is limited. This system uses R410A or R22 refrigerant, supporting mixed retrofit scenarios. At this price point, you're buying solid equipment with established service networks rather than premium efficiency technology.

The 96% AFUE furnace rating is the standout performance metric, delivering significantly better heating efficiency than the 80-85% baseline of older equipment. The 100,000 BTU heating capacity handles most residential applications in zones 4 through 6. Cooling performance comes in at 13 SEER with 36,000 BTU output from a single-stage reciprocating compressor, adequate but not exceptional for hot climates. The multi-speed blower motor with 2,000 CFM maximum airflow helps maintain comfort as load conditions shift. Electrical requirements are modest, needing just 115V single-phase power with a 19.1 to 30 amp breaker.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means significantly lower heating bills compared to older 80-85% systems
  • 13 SEER air conditioner delivers solid cooling performance at 36,000 BTU for 3-ton capacity
  • 100,000 BTU heating output handles most residential homes in moderate to cold climates
  • Multi-speed blower motor optimizes airflow and comfort across varying load conditions
  • 10-year warranty with online registration provides decent coverage for both parts and compressor

Cons

  • Single-stage compressor lacks efficiency of two-stage or variable-capacity units in moderate weather
  • Not Energy Star certified, missing eligibility for some utility rebate programs
  • 74 dB noise level is slightly louder than premium models, noticeable during operation
  • Reciprocating compressor technology is less refined than scroll compressors in higher-end units

Who Should Buy

Best For

Homeowners replacing Goodman GSX130362 or GSX130365 units who need budget-friendly upflow installation. Contractors working on straightforward residential replacements in moderate climates where a proven, no-frills system makes financial sense.

Consider Alternatives If

Buyers seeking Energy Star certification, quieter operation, or variable-capacity cooling should explore mid-tier alternatives with two-stage compressors.

3 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas Fur
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Installation

Installation is straightforward for experienced HVAC contractors. The upflow design fits standard A-coil dimensions at 34.5 inches tall, 21 inches wide, and 28.75 inches deep. Line sets use standard 3/8 inch liquid and 7/8 inch suction connections with sweat valve fittings. PVC plastic exhaust flue is required, simplifying venting compared to metal duct systems. Multi-speed blower adaptation integrates well with existing ductwork. The 30-pound unit weight allows manageable installation. Most replacements of older Goodman units complete in 4 to 6 hours.

Warranty & Reliability

Goodman covers this system with a 10-year parts and compressor warranty upon online registration. This matches typical manufacturer coverage, though premium brands sometimes extend to 12 or 15 years. The warranty doesn't cover labor, user maintenance, or damage from improper installation. Registration is straightforward but mandatory, so plan accordingly at installation. Coverage provides reasonable peace of mind for equipment lasting 15 to 20 years under normal operation.

Specifications

SKULS38783830
Brand/ManufacturerOnline Supply
Cooling BTU36,000
Heating BTU100,000
RefrigerantR410A or R22
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)30.000000
FeatureSpec
ReplacesGSX130362, GSX130363, GSX130365
Energy StarNo
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 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.
ConfigurationUpflow/Horizontal
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti Speed
Maximum CFM2000
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

Will this system qualify for utility rebates? +
No Energy Star certification limits rebate eligibility in many regions. Check your utility company directly, but expect smaller rebates than 14+ SEER or Energy Star models. Some utility programs focus on furnace efficiency alone, where this unit's 96% AFUE may qualify for $100-$300 heating rebates.
Is this compatible with my existing ductwork? +
Most likely yes if replacing an older 3-ton Goodman system. The 2,000 CFM maximum airflow and multi-speed blower work with standard residential ductwork. Have your installer measure duct sizing and verify the blower speed needed for your home's square footage and climate zone.
How much will this save compared to my old 80% AFUE furnace? +
A 96% AFUE unit typically reduces heating costs by 16-20% versus 80% AFUE. In cold climates with $1,500 annual heating costs, expect savings of $240-$300 yearly. Payback on equipment upgrade occurs within 8 to 12 years depending on gas prices and system size.
How does this compare to Carrier or Lennox at the same price point? +
Goodman competes on value rather than features. This unit matches basic Carrier and Lennox models in efficiency ratings, but Goodman typically costs 10-15% less. Premium brands offer quieter operation and longer warranties, though real-world reliability is comparable across major manufacturers.
What does the 10-year warranty actually cover? +
Parts and compressor only, with online registration required. Labor, installation errors, and refrigerant are excluded. Most failures occur in year 1-2, so this warranty protects you against manufacturing defects effectively.

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