3 Ton 17 SEER 97% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system excels for homeowners in moderate climates who need dependable heating and cooling without premium pricing. The 97% AFUE furnace and 18 SEER2 condenser deliver strong efficiency gains, especially for contractors replacing aging split systems with a matched, AHRI-certified unit.

Review

The Goodman CAPF4961D6 represents a practical middle ground for residential HVAC replacements. This matched pair combines a gas furnace with an air conditioner condenser in a single, AHRI-certified system (Certificate 7424268). Goodman's reputation for straightforward engineering and serviceable components makes this unit popular with both DIY-minded homeowners and professional contractors working on standard upflow installations. The unit's Energy Star status signals genuine efficiency without proprietary complications.

Performance metrics justify the efficiency rating. The furnace delivers 120,000 BTU input at 97% AFUE, meaning minimal heat loss through the exhaust flue. The condenser handles 35,000 BTU cooling with an 18 SEER2 rating using a two-stage scroll compressor that ramps output to match demand. Variable-speed ECM blower motors handle up to 2,000 CFM, adapting airflow to seasonal needs. Together, these components reduce runtime compared to single-stage competitors, lowering utility bills and extending component life.

Pros & Cons

Pros

97% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% systems
18 SEER2 cooling rating (SEER1 listed as 18) qualifies for federal tax credits up to $600
Two-stage scroll compressor and modulating burner minimize runtime and noise at 71 dB
Energy Star certified with 10-year parts warranty when registered online
Dual-fuel capability supports natural gas or propane, ideal for backup heating or remote locations

Cons

Product specs show conflicting tonnage data: title claims 3 Ton but specifications list 5 Ton, creating confusion about actual capacity
Price point of $89 appears incomplete or wholesale-only, lacking installed labor and ductwork costs that typically run $5,000-$8,000
R410A refrigerant costs rising as EPA phases it out, affecting future service expenses

Who Should Buy

Best For

Homeowners replacing 15+ year old systems who want proven Goodman reliability with measurable efficiency improvements and tax credit eligibility. Contractors stocking matched split systems for mid-range residential jobs will appreciate the AHRI certification and straightforward installation on existing ductwork.

Consider Alternatives If

Budget-conscious buyers seeking the cheapest upfront cost should compare basic 14 SEER units, and those in extreme climates may benefit from higher-capacity or modular systems.

3 Ton 17 SEER 97% AFUE 120,000 BTU Goodman Gas Fur

$89

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Installation

Installation requires standard split-system practices: refrigerant line sizing (3/8 inch liquid, 7/8 inch suction), electrical (115V single-phase, 21.9 to 35 amp breaker), and PVC flue venting on the right side. The 50-pound condenser fits typical roof or ground pads. Upflow configuration suits basements or utility closets. Proper AHRI matching depends on exact evaporator coil selection and ductwork verification.

Warranty & Reliability

Goodman provides 10-year parts coverage with online registration, covering compressor and refrigerant coils under the standard parts warranty structure. This is standard industry practice but requires registration within 60 days of installation. Labor warranty is typically limited, so clarify coverage terms with your installer before purchase.

Specifications

SKU	CAPF4961D6
Brand/Manufacturer	Goodman
Cooling BTU	35,000
Heating BTU	120,000
Refrigerant	R410A or R22
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71
Weight (in lbs)	50.000000
Feature	Spec
Energy Star	Yes
SEER1 (Efficiency)	18
Condenser Stages	Two Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	35 amps
Min. Breaker Size	21.9 amps
Tonnage	5 Ton
Valve Type	Sweat
Height	30"
Width	24.5"
Depth	21"
Resources	CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information	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.
AHRI Certificate Number	7424268
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	97%
Blower Motor	Variable Speed - ECM
Maximum CFM	2000
Configuration	Upflow / Downflow
Flue Location	Right
Burner Stages	Modulating
Fuel Type	Propane, Natural Gas
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil

Frequently Asked Questions

What's the actual tonnage, 3 Ton or 5 Ton? +

The specifications list 5 Ton, but the product title claims 3 Ton. Request clarification from the seller before ordering. The cooling capacity (35,000 BTU) and heating capacity (120,000 BTU) are definitive, but tonnage designation matters for system sizing and ductwork compatibility.

Can I install this on existing ductwork from my old system? +

Usually yes, provided your ductwork is sized for the tonnage (likely 3-4 Ton based on cooling BTU) and the upflow configuration matches your existing setup. Get a professional ductwork evaluation before assuming compatibility. Undersized ducts reduce efficiency gains significantly.

How much will this system reduce my energy bills? +

An 18 SEER2 condenser and 97% AFUE furnace can cut cooling costs by 30-40% and heating costs by 10-15% versus older 10-12 SEER/80% AFUE systems. Actual savings depend on local utility rates, climate, and how well your ductwork is sealed. Budget $600-$1,200 annual utility savings in moderate climates.

Is this system quieter than older units? +

At 71 dB, it's comparable to mid-range competitors. The two-stage compressor and modulating furnace mean less full-throttle runtime, reducing perceived noise. Expect 5-8 dB quieter than single-stage systems, though wall and ductwork insulation also influences actual noise in your home.

What does the 10-year warranty actually cover? +

Registered units receive 10-year parts warranty on compressor, coils, and sealed components. Labor, refrigerant, and trip charges are not included. Read the full warranty terms before assuming coverage extends to everything.

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