Independent Review · Updated June 2026

3 Ton 16 SEER 97% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

High-efficiency two-stage system combining 97% AFUE heating with 16 SEER cooling.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 16 SEER 97% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow
Current Price
$89
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system delivers solid efficiency gains for homeowners replacing older equipment, especially those in mixed-climate regions needing both strong heating and cooling. The 97% AFUE and 16 SEER combination makes sense for long-term operating costs, though at $89 this appears to be a partial component price rather than a complete installed system.

Review

The Goodman GCVM971005CN represents the manufacturer's mid-tier offering, combining a high-efficiency gas furnace with a two-stage air conditioner in a single downflow package. Goodman holds roughly 20% of the residential HVAC market through a balance of reliability and competitive pricing. This particular model targets homeowners ready to upgrade from 1990s-2000s equipment and willing to pay moderate premiums for efficiency gains that typically recover within 8-10 years.

Heating delivers 100,000 BTU using a modulating burner that adjusts output rather than cycling on and off, reducing temperature swings and improving comfort. Cooling capacity is 36,000 BTU with 16 SEER efficiency, meaning you'll use roughly 30-35% less electricity than 12 SEER baseline units. The scroll compressor and variable-speed ECM blower operate at 70.4 dBA, roughly equivalent to normal conversation volume, making this one of the quieter models in this efficiency tier.

Pros & Cons

Pros

  • 97% AFUE furnace efficiency reduces heating fuel consumption measurably compared to 80-90% older units
  • 16 SEER cooling efficiency qualifies for Energy Star certification and most utility rebates
  • Modulating gas burner adjusts heat output in stages, improving comfort and reducing short-cycling
  • Two-stage scroll compressor with variable-speed ECM blower motor operates more quietly at 70.4 dBA
  • 10-year warranty with online registration covers parts and labor in most markets

Cons

  • Tonnage mismatch in specs, 3 ton cooling listed against 5 ton unit designation, creates confusion
  • Downflow configuration limits placement options, requires basement or crawlspace installation
  • Requires trained technician installation, gas line work cannot be DIY

Who Should Buy

Best For

Homeowners in cold or mixed climates replacing 15+ year old furnace and AC units who want measurable utility savings and can accommodate downflow ductwork. This works especially well for those with basements or attics where the unit and ductwork can route downward through living spaces.

Consider Alternatives If

Anyone needing upflow or horizontal-only installation should look at different configurations. Budget-conscious buyers prioritizing lowest upfront cost over 20-year operating expenses should consider lower-efficiency Goodman models.

3 Ton 16 SEER 97% AFUE 100,000 BTU Goodman Gas Fur
$89
Buy at HVACDirect →

Installation

Professional installation is mandatory due to gas connections and proper venting requirements. The unit weighs 146 pounds and measures 34.5 inches tall by 21 inches wide, fitting most standard mechanical rooms or basements. Electrical demand runs 21.8 to 35 amps at 115V single-phase 60Hz. PVC venting must be properly sloped and sealed to meet code. Installation typically takes 6-8 hours for experienced technicians.

Warranty & Reliability

Goodman provides 10 years of parts and labor coverage when you register online within 60 days of purchase. This covers compressor failure, heat exchanger cracks, and refrigerant leaks from manufacturing defects. Coverage does not include damage from improper installation, maintenance neglect, or power surges. Most contractors register units automatically, so confirm this before signing paperwork.

Specifications

SKUGCVM971005CN
Brand/ManufacturerGoodman
Cooling BTU36,000
Heating BTU100,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)70.4
Weight (in lbs)146.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size35 amps
Min. Breaker Size21.8 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 Number7424272
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM2000

Frequently Asked Questions

Does this system actually cost $89 or is that a typo? +
The listed price appears to represent a partial component or promotional pricing error. Complete Goodman systems of this efficiency and capacity typically retail between $5,500-8,000 installed. Verify actual pricing with retailers before assuming this $89 reflects the full cost.
Can I install this myself to save money? +
No. Gas furnace installation requires a licensed technician in most jurisdictions. Improper gas line connections risk carbon monoxide leaks and fire. Refrigerant handling also requires EPA certification. Professional installation is both legally required and essential for safety.
How much will this reduce my heating and cooling bills? +
Upgrading from an 80% AFUE furnace saves roughly 15-20% on heating costs. Moving from 12 SEER to 16 SEER cooling saves 25-30% on AC bills. Combined savings average $800-1,400 annually depending on climate and usage patterns, recovering the upfront cost premium within 8-10 years.
How does this compare to higher-tier Goodman or competitor models? +
Higher SEER ratings (18-24) and AFUE ratings (98.5%) exist but cost 40-60% more with diminishing savings returns. This 16 SEER/97% AFUE hits the sweet spot for value. Premium brands offer marginally better reliability, but Goodman's 20-year track record is solid at this price tier.
What if the system fails after 10 years? +
After warranty expires, repair costs typically range $800-2,500 depending on failure type. Compressor replacement runs $1,500-2,200. Most units last 15-20 years, so plan for potential repairs in year 11-15. Extended warranties are available at purchase.

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