Independent Review · Updated June 2026

4 Ton 17 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency two-stage system combining 96% AFUE heating with 18 SEER2 cooling

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 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$0
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system excels for homeowners in moderate climates seeking reliable efficiency without premium pricing. The 96% AFUE furnace and two-stage scroll compressor deliver solid year-round performance for homes needing both heating and cooling capacity.

Review

The Goodman CAPF4961D6 represents a practical middle ground in the HVAC market, delivering solid efficiency metrics without the premium pricing of top-tier brands. As a 4-ton combined heating and cooling system rated 96% AFUE and 18 SEER2, it addresses homeowners who need reliable year-round comfort. Goodman's reputation centers on straightforward engineering and proven durability rather than cutting-edge innovation. This unit is Energy Star certified and carries a 10-year warranty with online registration, making it a sensible choice for budget-conscious buyers.

Performance specifications reveal a capable dual-stage system. The furnace delivers 120,000 BTU of heating with two-stage burners that fire at partial capacity during mild weather, reducing energy waste. The air conditioning side produces 47,000 BTU cooling output through a two-stage scroll compressor running on R410A or R22 refrigerant. The multi-speed ECM blower motor handles up to 2000 CFM, adapting to heating and cooling demand. Operating at 72 dB, the system runs louder than premium competitors but within acceptable ranges for most installations.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% units
  • 18 SEER2 rating with two-stage compressor provides variable cooling efficiency
  • Multi-speed ECM blower motor adjusts airflow from 0-2000 CFM for comfort and efficiency
  • Energy Star certified system qualifies for utility rebates in many regions
  • Two-stage burners allow low-fire operation during mild weather for reduced runtime

Cons

  • Price listed as $0 prevents accurate value assessment against competitors
  • 72 dB noise level is moderately loud for some homeowners during operation
  • Requires either R410A or R22 refrigerant, limiting future upgrade compatibility

Who Should Buy

Best For

Homeowners in regions with balanced heating and cooling needs who want dependable performance without paying for ultra-premium brands. Contractors installing systems in price-conscious markets will appreciate Goodman's straightforward reliability and solid efficiency ratings.

Consider Alternatives If

Anyone prioritizing whisper-quiet operation should look elsewhere, as 72 dB falls above the quietest modern systems.

4 Ton 17 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
$0
Buy at HVACDirect →

Installation

This upflow configuration requires right-side flue exit using plastic or PVC ducting, simplifying venting compared to metal ductwork systems. Electrical demands are moderate at 115V single-phase 60Hz with 29.3 to 50-amp breaker sizing depending on circuit configuration. The compact footprint, measuring 30 inches high by 24.5 wide by 21 deep, fits standard furnace closets. Sweat-type valve connections and 3/8 inch liquid lines integrate with typical residential refrigerant piping.

Warranty & Reliability

Goodman provides 10 years of parts coverage when you register the system online within 30 days of installation. This warranty is respectable but not market-leading, as some competitors offer 12-year or lifetime component protection. Coverage excludes labor, so repair costs depend on your contractor's rates. Registration is straightforward and protects your investment during the critical first decade of operation.

Specifications

SKUCAPF4961D6
Brand/ManufacturerGoodman
Cooling BTU47,000
Heating BTU120,000
RefrigerantR410A or R22
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)50.000000
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
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

Frequently Asked Questions

How does the 18 SEER2 rating compare to older SEER measurements? +
SEER2 uses updated testing protocols reflecting real-world performance better than legacy SEER ratings. An 18 SEER2 system is roughly equivalent to a 21-22 SEER unit under old standards. This positions the Goodman in the efficient middle tier, above basic 14-16 SEER systems but below ultra-high-efficiency 24+ SEER alternatives.
Will this system fit in my existing furnace space? +
At 30 inches tall, 24.5 inches wide, and 21 inches deep, this A-coil configuration fits most standard closets and basements. Verify your existing clearances and confirm the upflow orientation matches your ductwork. Measure height carefully if you have tight clearance above the unit.
What does the two-stage burner actually accomplish? +
Two-stage operation allows the furnace to run at 60-70% capacity during mild weather, then switch to full 120,000 BTU output only when needed. This reduces short cycling, improves comfort by running longer at lower speeds, and cuts fuel consumption during shoulder seasons. It's a key efficiency feature justifying the 96% AFUE rating.
Should I choose this over a high-end brand? +
Goodman delivers similar efficiency and reliability as premium brands at lower cost, but with less advanced noise control and fewer customization options. Choose Goodman if budget matters and performance expectations are realistic. Premium brands justify higher pricing through quieter operation and extended warranties, not dramatically better heating or cooling.
Does online warranty registration affect my coverage? +
Yes, you must register within 30 days of installation to activate the full 10-year warranty. Without registration, coverage may be limited. The process takes minutes online and is clearly documented in your installation materials.

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