Independent Review · Updated June 2026

5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Solid 5-ton dual-fuel system balancing efficiency and affordability for residential retrofits

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 14 SEER 80% 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 equipment in moderate climates where 80% AFUE and 14 SEER cooling are acceptable. The dual-fuel capability and variable-speed blower make it practical for upflow installations in standard residential layouts.

Review

The Goodman 5-ton system represents the practical middle ground in residential HVAC. At 100,000 BTU heating and 60,000 BTU cooling capacity, it handles typical single-family homes efficiently. This upflow configuration suits standard basement or attic installations. The package combines proven Goodman reliability with mainstream performance metrics that balance cost and comfort without exotic features.

Cooling reaches 14 SEER1 with a scroll compressor and R410A refrigerant, meeting post-2023 efficiency standards. The heating side delivers 80% AFUE across two burner stages, letting you dial back flame intensity for milder days. Variable-speed blower technology caps at 2,000 CFM, reducing energy consumption during partial-load operation when the system doesn't need full force.

Pros & Cons

Pros

  • 14 SEER cooling efficiency meets modern performance standards without premium pricing
  • 80% AFUE heating covers natural gas and propane, useful for regions with fuel flexibility
  • Variable-speed blower motor improves comfort and reduces short-cycling energy waste
  • Two-stage burner allows modulating heat output for better temperature control
  • 10-year warranty with online registration provides solid coverage for the price point

Cons

  • 80% AFUE is baseline modern efficiency, not high-efficiency like 95%+ systems
  • Single-stage condenser limits cooling modulation compared to two-stage alternatives
  • 75 dBA noise level is audible, particularly during full-load operation
  • Not Energy Star certified, which disqualifies some utility rebates

Who Should Buy

Best For

Contractors and homeowners replacing 15+ year old equipment who need reliable upflow configuration without paying for premium modulation. Budget-conscious buyers in climates where 14 SEER cooling suffices and dual-fuel optionality matters.

Consider Alternatives If

Homeowners pursuing maximum efficiency rebates or ultra-quiet operation should explore 16+ SEER or variable-capacity alternatives.

5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas Fur
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Installation

Upflow and downflow flexibility handles most residential configurations. You'll need 208/230V single-phase power at 32.8 to 50 amps, so check your electrical panel capacity beforehand. Metal exhaust flue is required, and the 30 by 21 by 21 inch footprint fits standard closet spaces. Refrigerant lines run 3/8 inch suction and 7/8 inch liquid with 3/8 inch insulation thickness.

Warranty & Reliability

Goodman covers parts and labor for 10 years when you register online, which is standard in this segment. The evaporator coil carries additional coverage. This protects against compressor failure and component defects without requiring extended service plans, making the warranty accessible to most buyers.

Specifications

SKULS38783830
Brand/ManufacturerOnline Supply
Cooling BTU60,000
Heating BTU100,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)75
Weight (in lbs)30.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorVariable Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
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.
Energy StarNo
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size50 amps
Min. Breaker Size32.8 amps
Tonnage5 Ton
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

How does 14 SEER compare to newer systems I see advertised? +
14 SEER meets current federal minimums and saves roughly 15% cooling energy versus 13 SEER. Newer 18+ SEER systems cost significantly more but suit high-cooling-demand climates. For moderate use, 14 SEER payback period extends beyond system lifespan in most cases.
Can I switch between natural gas and propane on this furnace? +
Yes, this unit burns both natural gas and propane. However, you cannot switch fuels mid-season. Conversion requires changing the burner orifice and regulator settings, which a technician should handle during initial setup or fuel-source change.
What does variable-speed blower actually do for me? +
It ramps fan speed to match heating or cooling demand instead of running full blast constantly. This cuts electricity use, reduces indoor temperature swings, and lowers noise during light-load periods. On a 100,000 BTU system, you'll notice quieter operation during shoulder seasons.
Why isn't this Energy Star certified like some competitors? +
Energy Star requires higher combined efficiency thresholds. At 80% AFUE and 14 SEER, this system sits just below the certification line. Upgrading to 95% AFUE or 16+ SEER gets you the label but costs significantly more upfront.
Is the 10-year warranty transferable if I sell my home? +
Goodman typically honors the 10-year parts warranty for subsequent owners, though cooling coverage may reduce. Contact Goodman directly with your registration details and serial number for verification before assuming coverage.

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