Independent Review · Updated June 2026

4 Ton 17 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

Goodman's solid two-stage system delivers 96% heating efficiency with modern cooling performance.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 17 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow
Current Price
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// Bottom Line
This unit works best for homeowners in moderate to cold climates who want dependable comfort without premium pricing. The 96% AFUE furnace and two-stage cooling make it practical for mixed seasonal use, and the variable-speed blower keeps operating costs reasonable year-round.

Review

Goodman's GCVC960804CN combines a gas furnace and air conditioner into a practical solution for mixed-climate homes. At 80,000 BTU heating capacity and 47,000 BTU cooling output, this downflow configuration fits many existing installations. The system carries a 10-year warranty with online registration and holds an AHRI certificate number 7368843, confirming proper refrigerant pairing and performance ratings. This unit represents solid midmarket engineering rather than cutting-edge technology.

The 96% AFUE furnace efficiency translates directly to lower gas bills during heating season, particularly valuable in northern climates. Cooling efficiency registers at 18 SEER2, achieved through the two-stage scroll compressor and variable-speed blower motor operating at up to 1,600 CFM. The ECM blower automatically adjusts airflow based on demand, reducing parasitic energy waste. Two-stage operation on both heating and cooling sides minimizes runtime while maintaining steady comfort levels.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means lower heating bills, especially in northern climates with extended winters
  • Two-stage compressor and burners reduce short cycling and improve comfort consistency throughout the day
  • 18 SEER2 cooling efficiency, up from the 17 SEER listed, qualifies for Energy Star and utility rebates
  • Variable-speed ECM blower motor automatically adjusts to minimize energy waste and noise at part load
  • PVC venting compatibility simplifies installation compared to older steel vent systems

Cons

  • 72 dB noise level is moderately loud, noticeable during compressor operation compared to premium variable-speed units
  • 5-ton cooling capacity exceeds the stated 4-ton marketing claim, potentially oversizing for smaller homes
  • Requires licensed technician installation, especially for gas line and vent connections, adding $1,500-2,500 to total cost

Who Should Buy

Best For

Contractors installing systems in moderate-climate regions where heating efficiency matters more than cooling extremes. Homeowners replacing older furnaces who want reliable two-stage operation with modern ECM efficiency without paying for premium components.

Consider Alternatives If

Anyone in hot climates prioritizing cooling performance should look at higher-SEER options, and budget-conscious buyers uncomfortable with mandatory professional installation should consider window units or simpler solutions.

4 Ton 17 SEER 96% AFUE 80,000 BTU Goodman Gas Furn
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Installation

This is a gas appliance requiring licensed technician installation without exception. Connections include 3/8-inch liquid line and 7/8-inch suction line for refrigerant, plus natural gas or propane fuel line setup. PVC venting simplifies ductwork compared to older systems. Electrical needs range from 29.3 to 50 amps at 115V single-phase 60Hz. Professional installation typically costs $1,500-2,500 depending on local labor rates and existing ductwork condition.

Warranty & Reliability

Goodman provides 10 years of parts coverage when you register online within 60 days of purchase. This is standard for the brand and covers compressor, heat exchanger, and control components. Labor is not included. Proper maintenance, including annual inspections and filter changes, is required to keep the warranty valid. Registering is straightforward through Goodman's website.

Specifications

SKUGCVC960804CN
Brand/ManufacturerGoodman
Cooling BTU47,000
Heating BTU80,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)143.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)18
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size50 amps
Min. Breaker Size29.3 amps
Tonnage5 Ton
Valve TypeSweat
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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.
ConfigurationDownflow/Horizontal
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
AHRI Certificate Number7368843
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM1600

Frequently Asked Questions

Why does the spec sheet say 4 tons but the tonnage field lists 5 tons? +
The marketing refers to 4-ton cooling capacity (47,000 BTU divided by 12,000 BTU per ton equals 3.9 tons). The 5-ton tonnage specification reflects the furnace and system design tolerance. In practice, this mild oversizing provides capacity margin and reduces compressor cycling stress during peak loads.
Can I install this myself if I have HVAC experience? +
No. Local codes and insurance requirements mandate licensed technician installation for gas furnaces. Gas line and venting mistakes can cause carbon monoxide buildup or explosion hazards. Improper installation voids the warranty and creates serious safety liability.
How does 18 SEER2 compare to the 17 SEER mentioned in the title? +
SEER2 is the updated testing standard introduced in 2023, roughly 15-20% lower than SEER ratings under older conditions. The spec sheet shows 18 SEER2, which represents modern efficiency testing. This qualifies for Energy Star recognition and typical utility rebate programs.
Is this better than a single-stage system for the same price? +
Two-stage operation delivers measurable advantages. The compressor and burner run at reduced capacity 80-90% of the time, cutting energy waste and noise. Single-stage units run at full power constantly, cycling on-off more frequently and consuming more gas and electricity overall.
What does the 10-year warranty actually cover? +
Parts coverage only for compressor, heat exchanger, and controls when registered within 60 days. Labor is excluded. You pay service calls and technician time. Maintenance requirements apply, so keep records of annual inspections and filter changes.

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