Independent Review · Updated June 2026

2.5 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

96% efficient gas furnace with 16 SEER cooling, solid mid-range performance

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 15 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 well for homeowners upgrading from older equipment who want reliable heating and cooling without premium pricing. The 96% AFUE and 16 SEER ratings deliver solid energy savings, making it sensible for moderate climates where both heating and cooling matter.

Review

Goodman's 2.5 ton upflow system represents the practical middle ground in residential HVAC equipment. This furnace and air conditioner combination targets homeowners upgrading from 15+ year old equipment who want measurable efficiency gains without specialty pricing. Online Supply positions this as a reliable, mid-tier option that balances performance with affordability. The system arrives ready for upflow or horizontal installation, adapting to most existing ductwork layouts in homes with basements or utility closets.

Performance metrics matter here. The furnace delivers 100,000 BTU heating output at 96% AFUE, meaning 96 cents of every dollar spent on natural gas converts to usable heat. The air conditioning side produces 29,000 BTU at 16 SEER using R410A refrigerant. Two-stage burner operation reduces temperature swings, while the ECM multi-speed blower modulates between 500 and 1600 CFM depending on demand. This variable blower operation improves humidity control compared to single-speed competitors, a genuine advantage in humid climates.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means minimal heat loss, reducing natural gas consumption significantly
  • 16 SEER cooling efficiency qualifies for Energy Star with R410A refrigerant
  • Two-stage burner and single-stage compressor provide consistent comfort without short cycling
  • ECM multi-speed blower motor adjusts airflow automatically for better dehumidification and efficiency
  • PVC exhaust flue requirement simplifies venting through exterior walls versus masonry chimneys
  • 10-year warranty with online registration covers parts and provides peace of mind

Cons

  • Spec sheet shows conflicting tonnage data, listing both 2.5 and 3.5 tons, which needs clarification before purchase
  • 71.5 dB noise level is moderately loud during operation, noticeable in quiet homes or bedrooms
  • Single-stage air conditioning means compressor runs at full capacity, using more electricity during mild weather

Who Should Buy

Best For

Homeowners in mixed climates replacing 10+ year old systems and prioritizing energy efficiency over premium features. Contractors installing standard residential split systems where reliable performance and straightforward serviceability matter more than cutting-edge technology.

Consider Alternatives If

Anyone needing variable-speed compressor cooling should look at higher SEER models, and those in very cold climates might prefer higher BTU output options.

2.5 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas F
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Installation

This upflow unit measures 30 inches tall, 21 inches wide, and 21 inches deep, fitting standard utility closets and basement corners. PVC exhaust flue requirement eliminates expensive masonry work, allowing installation through rim joists or exterior walls. Electrical service needs 208/230V single-phase 60 Hz power with 17.1 to 25 amp breaker capacity. Refrigerant lines arrive uninsulated, requiring 3/4 inch foam wrapping on the 7/8 inch suction line to prevent condensation.

Warranty & Reliability

Ten-year parts warranty applies with online registration, a reasonable coverage period matching most competitor offerings in this price range. Warranty excludes labor and refrigerant charging, typical industry limitations. Goodman's parts availability through supply houses remains strong nationwide, meaning replacement components ship quickly if needed during warranty period.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU29,000
Heating BTU100,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)71.5
Weight (in lbs)30.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti-Speed - ECM
Maximum CFM1600
ConfigurationUpflow / Downflow
Flue LocationRight
Energy StarYes
Burner StagesTwo
Fuel TypeGas
Height30"
Width21"
Depth21"
ResourcesCAPT Installation Manual CAPT 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.
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size25 amps
Min. Breaker Size17.1 amps
Tonnage3.5 Ton
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Why does the spec sheet list both 2.5 ton and 3.5 ton capacity? +
This appears to be a data entry error on the product listing. The product title states 2.5 ton, but specs show 3.5 ton tonnage. Confirm the correct tonnage with Online Supply before ordering, as this affects heating and cooling capacity significantly and influences installation requirements.
Can this system work in my attic or crawlspace? +
The upflow configuration suits basements and utility closets best. For attic installation, you would need a downflow model instead. Check your ductwork configuration before purchase. Upflow systems push conditioned air up through ducts, while downflow pulls it down, making each suited to different home layouts.
How much will this system reduce my energy bills? +
Upgrading from a 1990s system (around 78% AFUE) to this 96% unit cuts furnace energy use roughly 23%. Cooling savings depend on previous SEER rating, but 16 SEER typically saves 30-40% versus 10 SEER units. Actual savings vary by climate, fuel costs, and usage patterns.
Is 16 SEER good compared to newer systems? +
16 SEER ranks solidly average today. High-efficiency models reach 18-21 SEER with variable-speed compressors, but cost considerably more. For moderate climates with balanced heating and cooling needs, 16 SEER provides good value without premium pricing.
Does the 10-year warranty cover refrigerant leaks? +
Warranty covers defective components causing leaks, not wear-and-tear leaks or customer damage. Labor for repairs requires separate service contracts. Review specific warranty terms with Online Supply before purchasing for clarity on coverage scope.

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