Independent Review · Updated June 2026

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

High-efficiency two-stage system delivers 96% AFUE heating with solid cooling performance

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
$0
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// Bottom Line
This Goodman unit works best for homeowners in moderate climates who prioritize heating efficiency and want a dependable two-stage system at a reasonable price point. The 96% AFUE rating makes it ideal for gas-primary heating regions where furnace runtime directly impacts utility bills.

Review

The Goodman GMEC961205DN is a 5-ton split system pairing a 120,000 BTU gas furnace with a 60,000 BTU air conditioning condenser. It occupies a practical middle ground in the residential HVAC market, offering legitimate efficiency credentials without premium pricing. Two-stage heating and cooling technology automatically adjusts output to match load, improving both comfort and operating costs compared to single-stage alternatives. This SKU has been stable in Goodman's lineup for several years, suggesting solid real-world performance data.

The furnace achieves 96% AFUE, meaning 96 cents of every heating dollar converts to home heat, with only 4% lost in exhaust. The condenser carries a SEER1 rating of 16, which exceeds EnergyStar thresholds and qualifies for utility rebates in most states. Two-stage burners and a scroll compressor provide operational flexibility, and the multi-speed ECM motor matches airflow to demand. Refrigerant R410A is standard, though technicians should know this refrigerant charge is sealed at factory and requires specialized recovery equipment during service.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means minimal fuel waste and lower winter heating costs for extended operation
  • Two-stage burner and condenser automatically modulate to match heating and cooling demand, improving comfort
  • SEER1 rating of 16 exceeds EnergyStar requirements, earning federal tax credits in many jurisdictions
  • Multi-speed ECM blower motor provides flexibility for ducted systems up to 2000 CFM
  • Lifetime heat exchanger warranty protects against the most expensive component failure
  • Scroll compressor technology delivers quiet operation at 75 dBA, typical for residential units

Cons

  • Product price listed as $0, indicating this is a specification sheet rather than a live retail listing
  • Two-stage cooling limits efficiency gains during partial-load conditions compared to variable-capacity competitors
  • A-coil configuration requires careful horizontal/upflow ducting layout, which some installations cannot accommodate
  • Requires licensed technician installation due to gas piping safety requirements, adding $1,200-$2,500 to project cost

Who Should Buy

Best For

Homeowners replacing a failed gas furnace in regions with cold winters where heating dominates annual energy use, and contractors building standard residential HVAC systems for moderate climates. This unit delivers excellent value when incentives apply.

Consider Alternatives If

Anyone in hot climates prioritizing cooling efficiency, owners with tight attic or basement spaces (unit is 34.5 inches tall), or those needing variable-capacity compressors for extremely quiet operation.

5 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
$0
Buy at HVACDirect →

Installation

Professional installation is mandatory for this gas appliance due to safe fuel and venting connections. The 115V single-phase 60Hz electrical requirement fits standard residential service, though a dedicated 40-60 amp circuit is required. PVC exhaust venting simplifies flue installation compared to metal pipe. Upflow A-coil configuration works for attics or closets with 34.5 inches of vertical clearance. Plan 2-4 hours for an experienced technician to set burner stages and run system tests.

Warranty & Reliability

Goodman backs this unit with a lifetime heat exchanger warranty (parts only, not labor) when registered online. The compressor and other components carry 10-year replacement coverage plus an additional 10 years of parts availability. This warranty structure is competitive for the price tier and reflects moderate confidence in component durability. Registration is straightforward and unlocks full coverage, making it a worthwhile step at startup.

Specifications

SKUGMEC961205DN
Brand/ManufacturerGoodman
Cooling BTU60,000
Heating BTU120,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger, 10 Years Unit Replacement, and 10 Years Parts with Online Registration
Decibel Level (dBA)75
Weight (in lbs)154.000000
FeatureSpec
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
Tonnage5 Ton
Valve TypeSweat
Height34.5"
Width24.5"
Depth28.75"
ResourcesGMEC96 Installation Manual GMEC96 Specifications Sheet GMEC96 Owner's Manual GMEC96 Service Manual GMEC96 Replacement Parts Manual GMEC96 Brochure Goodman Furnace Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationThis gas appliance requires a trained technician to install. Improperly connecting gas lines or improperly connecting a gas flue or venting may result in death. By purchasing this item, you are agreeing that you are using a trained technician to install this gas appliance. We will not be responsible for any injury or property damage arising from improper service or service procedures. Whoever installs or services this unit assumes responsibility for any personal injury or property damage which may result. Many jurisdictions require a license to install this equipment. PROPOSITION 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.
ConfigurationUpflow/Horizontal
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti-Speed - ECM
Maximum CFM2000
Flue LocationRight
Burner StagesTwo

Frequently Asked Questions

What does 96% AFUE actually mean for my heating bill? +
AFUE measures gas-to-heat conversion efficiency. At 96%, you lose only 4% in flue exhaust versus 80-85% in older furnaces. For a household burning 80 million BTU annually, upgrading from 80% AFUE saves approximately 128 million BTU of gas consumption, worth roughly $150-$250 monthly depending on regional rates and usage patterns.
Can I install this myself to save money? +
No. Gas appliance installation requires state or local licensing in most jurisdictions. Improper gas line, venting, or burner connection creates carbon monoxide and explosion hazards. The manufacturer explicitly states installation is the buyer's responsibility, not theirs. Professional installation is legally required and morally necessary.
How does SEER1 of 16 compare to other units? +
SEER1 16 represents mid-range efficiency for modern residential air conditioners. Entry-level units run SEER1 13-14, while high-efficiency systems reach SEER1 20-22. The 16 rating qualifies for most federal and utility incentives, typically returning $200-$500 in rebates. Two-stage cooling limits peak efficiency compared to variable systems, but reduces price significantly.
What's the difference between two-stage and single-stage cooling? +
Two-stage allows the compressor to run at reduced capacity for mild days, improving comfort and efficiency. Single-stage runs at full output or off. During shoulder seasons (spring/fall) when temperatures fluctuate, two-stage systems cycle less frequently and consume roughly 8-12% less energy. Full-capacity cooling is identical between both types on hot days.
Is the lifetime heat exchanger warranty actually useful? +
Yes. Heat exchangers fail occasionally and cost $800-$1,500 to replace. Lifetime coverage protects this expensive component indefinitely. However, warranty covers parts only, not labor, so budget $200-$400 for service calls. This warranty is Goodman's confidence statement, as heat exchanger failures are relatively rare after 10-15 years.

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