Independent Review · Updated June 2026

Goodman 4 Ton 14 SEER 80% 120,000 BTU Furnace & AC System - R410A Upflow

Energy Star 80% furnace paired with 16 SEER cooling for balanced performance

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
Goodman 4 Ton 14 SEER 80% 120,000 BTU Furnace & AC System - R410A Upflow
Current Price
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// Bottom Line
This 5-ton combo system delivers solid efficiency with an 80% AFUE furnace and 16 SEER cooler, making it a practical choice for homeowners upgrading from older equipment. It's best suited for moderate climates where balanced heating and cooling matter equally, not extreme-weather regions.

Review

The Goodman 4-ton furnace and AC system represents the practical middle ground for residential HVAC replacement. This upflow configuration pairs an 80% AFUE gas furnace producing 120,000 BTU with a 48,000 BTU cooling capacity, delivered through an A-coil design rated for both upflow and horizontal mounting. Goodman positions this in the value segment, and the Energy Star certification signals legitimate efficiency without premium pricing typical of high-SEER units.

Performance specs tell an interesting story. The cooling section delivers 16 SEER efficiency, which exceeds the marketed 14 SEER rating and suggests conservative marketing or component sourcing flexibility. The furnace's 80% AFUE is respectable for single-stage burner technology, converting most gas to usable heat. The scroll compressor runs at 74 dB, considered acceptable noise levels. A 5-ton actual tonnage paired with 2000 CFM maximum airflow means adequate circulation for most residential ductwork, though homeowners should verify existing ductwork sizing before installation.

Pros & Cons

Pros

  • 16 SEER cooling efficiency exceeds the stated 14 SEER specification, delivering better-than-expected AC performance
  • 80% AFUE furnace with single-stage burner provides straightforward, reliable gas heating without complex modulation
  • Energy Star certified reduces operational costs and qualifies for utility rebates in many regions
  • Scroll compressor technology offers proven durability and quieter operation at 74 dB
  • Multi-speed PSC blower motor provides flexible airflow up to 2000 CFM for adequate distribution
  • R410A refrigerant compatible with modern installation standards and widely available service support

Cons

  • Single-stage compressor and burner mean no modulation for variable capacity, limiting efficiency in mild weather
  • 48-pound weight requires proper structural support for upflow installation in tight spaces
  • Tonnage mismatch: marketed as 4-ton but specs show 5-ton displacement, creating confusion about actual capacity

Who Should Buy

Best For

Homeowners in mixed climates replacing 10-15 year old systems who value straightforward reliability over high-end efficiency. This works well for moderate homes where heating and cooling demands are relatively balanced throughout the year.

Consider Alternatives If

Those in very hot or very cold climates should consider variable-capacity systems instead, or buyers requiring maximum efficiency ratings should look for 18+ SEER options with modulating compressors.

Goodman 4 Ton 14 SEER 80% 120,000 BTU Furnace & AC
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Installation

Installation requires standard refrigerant piping with 3/8-inch liquid line and 1 1/8-inch suction line with 1/2-inch insulation over 50 feet. Electrical demands are straightforward: 120V single-phase 60 Hz with breaker sizing between 26.4 and 45 amps. Metal flue exhaust from top discharge and sweat valve connections require certified installer experience. This is not a DIY project due to refrigerant handling regulations.

Warranty & Reliability

Goodman provides a 10-year parts warranty upon online registration, which is industry-standard for mid-tier equipment. This covers compressor and sealed components but typically excludes labor and wear items. Registration is mandatory to activate coverage, so document the installation date and serial number immediately. Most contractors handle this as part of their standard commissioning process.

Specifications

SKULS381183850
Brand/ManufacturerOnline Supply
Cooling BTU48,000
Heating BTU120,000
RefrigerantR410A or R22
Electrical120 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)48.000000
FeatureSpec
Product FeaturesRebate Available
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size45 amps
Min. Breaker Size26.4 amps
Tonnage5 Ton
Valve TypeSweat
Height30"
Width24.5"
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 MotorMulti Speed - PSC
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationTop
Burner StagesSingle
Fuel TypeGas
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

Why does the spec sheet show 5 tons when marketing says 4 tons? +
This appears to be a capacity rating inconsistency common in product databases. The 48,000 BTU cooling output aligns with standard 4-ton capacity. Contact Goodman or your supplier to clarify the exact tonnage before purchase to ensure proper system matching with your furnace.
Can I install this in a basement or attic? +
Yes, the upflow/horizontal configuration allows basement or attic placement. However, the 30-inch height and 24.5-inch width require adequate ceiling clearance. Verify ductwork access and confirm your existing return plenum compatibility before ordering.
Is 16 SEER competitive with other 4-ton units? +
Yes, 16 SEER is solid mid-range performance. Budget models run 14-15 SEER, while premium options reach 18-20 SEER. For moderate climates with reasonable cooling loads, 16 SEER typically provides 3-5 year payback versus 14 SEER through reduced electricity consumption.
Will this work with my old ductwork? +
Likely, but verification is essential. The 2000 CFM maximum airflow is standard for residential systems. Have a technician perform a ductwork blower door test to confirm your ducts can handle this capacity without excessive pressure drop or noise.
Do I need an HVAC contractor to install this? +
Yes. EPA refrigerant certification is mandatory for anyone handling R410A. Installation also requires proper electrical work, gas line connections, and system commissioning. Using licensed contractors protects your warranty.

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