Independent Review · Updated June 2026

5 Ton 15.5 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow

Energy Star two-stage system balances 80% furnace efficiency with 16 SEER cooling.

7.8
IndustrialRank Score
Efficiency
8.2
Reliability
7.5
Value
7.6
Installation
8.0
Warranty
8.0
5 Ton 15.5 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow
Current Price
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// Bottom Line
This 5-ton Goodman combo works well for homeowners in mixed climates needing both heating and cooling without premium efficiency pricing. Best suited for mid-sized homes where upflow installation fits existing ductwork and budget constraints matter.

Review

The Goodman 5-ton 15.5 SEER combo represents Goodman's practical approach to residential HVAC. This unit pairs an 80% AFUE gas furnace with a 16 SEER two-stage heat pump in one footprint, sized for homes around 2000-2500 square feet. It's built for upflow installation and handles both natural gas and propane, making it adaptable to various regional fuel availability. Goodman has held market position through straightforward engineering rather than cutting-edge features.

Performance specs reveal a balanced mid-market design. The furnace delivers 60,000 BTU heating output across two burner stages, while the cooling side matches at 60,000 BTU through a two-stage scroll compressor. The variable-speed blower reaches 2000 CFM maximum, improving air distribution and dehumidification over single-speed motors. Electrical requirements are reasonable at 208/230V single-phase with 37.2 to 60 amp breaker sizing. The R410A refrigerant circuit uses standard 3/8 inch liquid and 7/8 inch suction lines with 50 feet of insulation included.

Pros & Cons

Pros

  • Two-stage heating and cooling reduces runtime short-cycling and improves comfort consistency
  • Variable-speed blower motor delivers up to 2000 CFM with better dehumidification than single-speed alternatives
  • 80% AFUE is standard for gas furnaces, meaning realistic fuel costs without premium pricing
  • Scroll compressor design is field-proven for durability across residential applications
  • Energy Star certified with 16 SEER cooling efficiency, qualifying for some utility rebates

Cons

  • 80% AFUE trails modern condensing furnaces at 90%+ efficiency, costing more to operate long-term
  • 16 SEER is solid but not high-tier compared to 18-20 SEER systems for superior cooling efficiency
  • 75 dB noise level is audible during operation, noticeable in quieter homes

Who Should Buy

Best For

Homeowners replacing older split systems in upflow-compatible spaces who prioritize reliability over peak efficiency. Contractors installing cost-effective solutions for rental properties, secondary homes, or moderate-climate regions where heating dominates cooling demand.

Consider Alternatives If

Buyers in high-efficiency-focused markets, extreme climates requiring minimal runtime, or homes where noise sensitivity is a priority should explore 90%+ AFUE furnaces or 18+ SEER heat pumps.

5 Ton 15.5 SEER 80% AFUE 100,000 BTU Goodman Gas F
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Installation

Upflow/horizontal configuration fits existing ductwork in most homes with basement or closet placement. The unit measures 38.25 inches tall by 35.5 inches wide and deep, requiring moderate clearance. Metal flue exhaust must be properly vented outside. Two-stage operation demands proper thermostat wiring, and the variable-speed motor needs control board integration. Most HVAC contractors complete installation in one day, though gas line modifications may add cost.

Warranty & Reliability

Goodman includes a 10-year parts warranty contingent on online registration within 30 days of installation. This covers compressor, heat exchanger, and electrical components. Labor is not covered. Registration is straightforward but mandatory, so homeowners should complete it immediately. This duration matches mid-tier industry standards but trails premium brands offering 12-year protection.

Specifications

SKULS381183850
Brand/ManufacturerOnline Supply
Cooling BTU60,000
Heating BTU60,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)75
Weight (in lbs)48.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorVariable Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
Height38.25"
Width35.5"
Depth35.5"
ResourcesGoodman Specifications Goodman Customer Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Technical Information Goodman Technical Publication 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.
Liquid Line3/8"
Suction Line1 1/8"
Tonnage5 Ton
StyleA-Coil
Product FeaturesRebate Available, Two Stage Condenser
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size60 amps
Min. Breaker Size37.2 amps
Valve TypeSweat
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

How does this 5-ton system size compare to my home needs? +
A 5-ton unit handles approximately 2000-2500 square feet depending on insulation, climate, and sun exposure. Consult load calculations to confirm. Oversizing increases cycling costs, while undersizing causes inadequate heating or cooling during peak demand seasons.
What's the difference between this two-stage system and single-stage models? +
Two-stage heating and cooling means the furnace and compressor run at partial capacity most of the time, reducing energy waste and improving comfort. Single-stage units operate full-power or off, cycling more frequently and using more fuel for equivalent output.
Is 16 SEER cooling efficiency adequate for my electricity costs? +
16 SEER meets Energy Star standards and suits moderate climates well. In hot regions, 18+ SEER systems reduce summer cooling bills significantly more. Calculate estimated runtime in your climate zone to compare annual operating costs against premium efficiency options.
Can this furnace use both natural gas and propane interchangeably? +
Yes, the unit accepts both fuels, but requires conversion kit installation when switching between them. Most contractors handle this during installation based on available fuel type in your area. Switching later adds labor cost.
Does online warranty registration affect coverage if I skip it? +
Yes, Goodman requires registration within 30 days to activate the 10-year warranty. Without it, you lose parts coverage. The process takes minutes online and protects your investment, so prioritize it immediately after installation.

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