Independent Review · Updated June 2026

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

Budget-friendly 3-ton system delivering 96% AFUE heating and 18 SEER2 cooling efficiency

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 17 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$736
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system targets cost-conscious homeowners and contractors who need reliable mid-range performance without premium pricing. The 96% AFUE furnace paired with an 18 SEER2 air conditioner makes it suitable for moderate climates where both heating and cooling demand consistent use.

Review

The Goodman GMVC960804CN represents the practical middle ground in residential HVAC, combining proven reliability with straightforward efficiency. This 3.5-ton upflow system delivers 80,000 BTU of heating and 35,000 BTU of cooling capacity, making it suitable for homes averaging 1,500 to 2,000 square feet. Goodman's established reputation for durability makes this an appealing choice for contractors and homeowners seeking dependable performance at $736 base price, though installation labor will substantially increase total investment.

Efficiency metrics stand out here. The furnace achieves 96% AFUE, meaning 96 cents of every heating dollar converts to warmth, while the air conditioner delivers 18 SEER2 cooling efficiency. The two-stage scroll compressor and dual-stage burner work together to reduce short-cycling and temperature swings, maximizing comfort during shoulder seasons. Variable-speed ECM blower motor adds another efficiency layer by matching airflow to actual demand rather than running constantly at full blast.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency captures nearly all fuel energy, reducing winter heating bills significantly
  • 18 SEER2 cooling efficiency qualifies for ENERGY STAR certification, offering measurable summer savings
  • Two-stage compressor and two-stage burner modulate output for quieter, more consistent operation
  • Variable-speed ECM blower motor optimizes airflow and reduces energy consumption year-round
  • Lifetime heat exchanger warranty protects against costliest failure point in gas furnaces
  • 3.5-ton capacity with 35,000 BTU cooling handles moderate residential loads effectively

Cons

  • 71 dB noise level runs louder than premium inverter-driven systems, noticeable during operation
  • Two-stage compressor less flexible than variable-capacity models in mild weather conditions
  • Requires licensed technician installation, adding $1,500 to $3,000 to true system cost

Who Should Buy

Best For

Homeowners in mixed climates needing replacement systems who prioritize upfront affordability and solid efficiency. Contractors building value-tier packages for budget-conscious clients who want ENERGY STAR certification without high-end pricing.

Consider Alternatives If

Customers in extreme climates needing maximum modulation, those sensitive to noise levels above 70 dB, or buyers requiring DIY installation.

3 Ton 17 SEER 96% AFUE 80,000 BTU Goodman Gas Furn
$736
Buy at HVACDirect →

Installation

Professional installation is mandatory and legally required in most jurisdictions. The unit requires 115V single-phase 60Hz electrical service with 21.9 to 35-amp breaker capacity. Gas line connections demand pressure testing, and the plastic PVC flue venting must be properly sloped and sealed. Licensed technicians will handle refrigerant charging, ductwork verification, and airflow balancing. Plan installation costs between $1,500 and $3,000 depending on local labor rates and existing ductwork condition.

Warranty & Reliability

Goodman backs this system with a lifetime warranty on the heat exchanger, the component most likely to fail catastrophically in gas furnaces. Parts coverage extends ten years with online registration, protecting compressors, valves, and other components. This warranty structure incentivizes proper maintenance and registration but lacks the extended parts coverage offered by premium brands. Real-world value depends heavily on local Goodman service availability.

Specifications

SKUGMVC960804CN
Brand/ManufacturerGoodman
Cooling BTU35,000
Heating BTU80,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger and 10 Years Parts with Online Registration
Decibel Level (dBA)71
Weight (in lbs)141.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)18
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size35 amps
Min. Breaker Size21.9 amps
Tonnage3.5 Ton
Valve TypeSweat
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Install 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.
ConfigurationUpflow/Horizontal
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
AHRI Certificate Number7368835
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM1600
Flue LocationRight

Frequently Asked Questions

How does 96% AFUE compare to older furnaces? +
Older furnaces typically operate at 60% to 80% AFUE. This 96% system conserves 16% to 36% more fuel annually. On a 100 million BTU heating season, the difference equals $300 to $500 in fuel savings yearly, depending on gas prices and climate.
Can this system work with my existing ductwork? +
The unit handles up to 1,600 CFM airflow with its variable-speed blower, accommodating most residential ductwork. However, HVAC contractors must verify duct sizing, sealing, and insulation before installation. Undersized ducts reduce efficiency; oversized ducts waste energy and create noise.
What does 18 SEER2 mean for cooling costs? +
SEER2 measures real-world cooling efficiency. An 18 SEER2 unit costs roughly 20% to 30% less to operate than standard 13 SEER systems. For a typical 1,500-square-foot home, expect $150 to $250 annual cooling savings compared to older equipment.
How does this compare to higher-priced Goodman models? +
Premium Goodman systems add variable-capacity compressors for finer modulation and typically achieve 20 SEER2 cooling. This model's two-stage design provides good efficiency at lower cost but less flexibility during mild weather, resulting in slightly higher seasonal energy use.
Is the lifetime heat exchanger warranty actually valuable? +
Yes. Heat exchanger replacement costs $1,500 to $2,500 in labor and parts. The lifetime coverage eliminates this risk, though warranty claims require proof of professional maintenance and proper installation by licensed technicians.

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