Independent Review · Updated June 2026

5 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency 5-ton split system with 96% AFUE and ENERGY STAR certification.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This Goodman system is ideal for homeowners in moderate climates seeking reliable, efficient heating and cooling without premium pricing. The 96% AFUE furnace and 16 SEER2 condenser deliver strong year-round performance for homes up to 2,000 square feet.

Review

The Goodman 5-ton split system occupies a practical middle ground in the residential HVAC market. This upflow configuration delivers 120,000 BTU heating and 54,000 BTU cooling in a compact footprint (30 inches tall, 24.5 inches wide, 21 inches deep). Goodman's reputation for durability and affordability makes this system attractive to cost-conscious homeowners and contractors installing replacement equipment in established homes.

The furnace achieves 96% AFUE efficiency, meaning 96 cents of every heating dollar goes to home conditioning rather than flue losses. The cooling side delivers 16 SEER2 performance with a scroll compressor operating at a measured 73 decibels. Two-stage burner operation optimizes heating efficiency across the entire winter season. The ECM multi-speed blower motor adapts airflow from 0 to 2,000 CFM, improving both comfort and efficiency. R410A refrigerant support ensures compatibility with modern equipment and service practices.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency with two-stage burner for better part-load heating
  • 16 SEER2 cooling rating exceeds ENERGY STAR requirements, reducing summer operating costs
  • ECM multi-speed blower motor provides variable airflow and improved humidity control
  • Scroll compressor technology runs quieter at 73 dB compared to reciprocating alternatives
  • PVC exhaust compatibility simplifies installation in tight attics or crawlspaces

Cons

  • Single-stage cooling compressor cannot modulate capacity, reducing efficiency during partial-load operation
  • 54,000 BTU cooling capacity is undersized for the 120,000 BTU heating output, creating seasonal imbalance
  • Requires 29.6 to 50 amp breaker with 115V single-phase power, limiting some older home compatibility

Who Should Buy

Best For

Homeowners replacing aging Goodman equipment or seeking an affordable ENERGY STAR system in climates with balanced heating and cooling demand. Contractors installing in moderate-tonnage applications where equipment cost matters without sacrificing efficiency.

Consider Alternatives If

Anyone in extremely hot climates needing superior cooling capacity or homeowners wanting variable-capacity compressors for maximum efficiency in part-load conditions.

5 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
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Installation

This upflow system requires standard sheet metal ducting connections with 3/8-inch liquid lines and 7/8-inch suction lines. PVC exhaust flue simplifies installation in attics or tight spaces where metal venting poses challenges. The system needs 29.6 to 50 amp electrical service at 115V single-phase 60 Hz. A-coil configuration requires proper condensate drain routing. Professional installation is strongly recommended to ensure proper refrigerant charge and airflow balance.

Warranty & Reliability

Goodman provides 10-year parts coverage with online registration. This extends protection beyond the manufacturer standard and covers compressor, blower motor, and heat exchanger. Registration is essential, as coverage requires proof of ownership. 10 years represents solid protection for mid-tier residential equipment, though not matching premium brands offering extended warranties.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU54,000
Heating BTU120,000
RefrigerantR410A or R22
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73
Weight (in lbs)30.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size50 amps
Min. Breaker Size29.6 amps
Tonnage5 Ton
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 RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti-Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Burner StagesTwo
Fuel TypeGas
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Why does this system show 54,000 BTU cooling but 120,000 BTU heating? +
The tonnage (5 tons = 60,000 BTU) reflects cooling capacity, while furnace output addresses heating needs independently. This 2-to-1 heating-to-cooling imbalance is typical in mixed climates where winter demands exceed summer requirements. However, undersized cooling means less efficiency during peak summer operation.
Can this system work in older homes with limited electrical service? +
The minimum 29.6 amp breaker requirement suits most homes with 100-amp service panels. However, if your panel cannot spare a 30-amp double-pole breaker or lacks 240V outlet capacity, upgrades are needed. Have an electrician verify compatibility before purchasing.
Is 16 SEER2 good enough to justify the cost? +
Yes for moderate climates. 16 SEER2 qualifies for ENERGY STAR and delivers roughly 25 percent better efficiency than 13 SEER baseline equipment. In regions with 1,500 cooling hours annually, expect 10-15 percent lower summer bills compared to older 10 SEER units.
How does this compare to higher-end Goodman or Lennox systems? +
Premium systems add variable-capacity compressors (higher SEER), modulating furnaces (higher AFUE), and quieter operation. This base model sacrifices that sophistication for affordability. You gain $2,000 to $4,000 in price savings at the cost of roughly 2-4 SEER points and 3-5 AFUE points.
What does the 10-year warranty actually cover? +
Parts only, including compressor, blower motor, and heat exchanger. Labor and refrigerant are excluded. Coverage begins upon online registration and lasts 10 years from installation date. Professional installation from a licensed contractor is typically required to validate the warranty.

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