Independent Review · Updated June 2026

4 Ton 15 SEER 97% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

97% AFUE furnace with modulating burner delivers efficient heating and cooling in one compact unit

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 15 SEER 97% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This Goodman combo system excels for homeowners replacing older equipment or upgrading to modulating efficiency without major ductwork modifications. The 97% AFUE furnace paired with a two-stage condenser makes it ideal for moderate climates where heating and cooling demand balances throughout the year.

Review

The Goodman CAPT4961D4 represents solid mid-tier efficiency in the combined furnace-condenser market. This upflow unit bundles a 120,000 BTU furnace with a matching air conditioner in one chassis, simplifying installation for contractors and reducing jobsite complexity. Goodman positioned this system for the contractor-friendly segment, offering Energy Star certification and rebate eligibility without enterprise-level pricing. The unit addresses real demand from installers tired of coordinating separate furnace and condenser deliveries.

Performance numbers justify the efficiency ratings. The furnace hits 97% AFUE through a modulating burner that ramps between low and high fire, avoiding the 20-30% energy loss common in single-stage designs. The paired condenser delivers 48,000 BTU cooling capacity with two-stage operation, reaching 16 SEER1 efficiency. The variable-speed ECM blower matches airflow to demand, spinning slowly on mild days and ramping to 2000 CFM maximum during peak load. Real-world savings depend on usage patterns, but homeowners typically see 10-15% heating cost reductions versus 80-90% AFUE equipment.

Pros & Cons

Pros

  • 97% AFUE rating with modulating burner reduces heating waste and monthly gas bills significantly
  • Variable-speed ECM blower motor adjusts airflow between 0-2000 CFM, improving comfort and reducing runtime noise
  • Two-stage condenser allows efficient partial-load cooling at 16 SEER1, saving energy during mild weather
  • Compact upflow configuration fits tight spaces with only 30 inches tall and 24.5 inches wide
  • 10-year warranty with online registration provides solid long-term protection
  • Energy Star certified and qualifies for available rebates in many jurisdictions

Cons

  • 74 dB noise level is moderate to loud, noticeable during furnace startup in quiet homes
  • Spec sheet lists conflicting tonnage data (4 tons in title, 5 tons in specs) creating confusion about actual capacity
  • R410A refrigerant requires specialty service training, limiting repair options compared to older refrigerants

Who Should Buy

Best For

Contractors installing replacement systems in existing homes with upflow configurations and homeowners seeking high-efficiency heating without a complete system redesign. This unit works particularly well for properties using natural gas or propane in mild to moderate climate zones.

Consider Alternatives If

Anyone needing variable-refrigerant-flow technology, homes with space constraints below 30 inches vertical clearance, or regions with extreme seasonal heating or cooling loads requiring constant maximum output.

4 Ton 15 SEER 97% AFUE 120,000 BTU Goodman Gas Fur
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Installation

This system requires PVC or plastic exhaust venting, simplifying flue installation versus Category IV furnaces needing metal. The right-side flue location works with most standard furnace closets. Electrical demand runs 208-230V single phase at 27.7 to 45 amps breaker sizing, typical for residential applications. Refrigerant lines use 3/8-inch liquid and 7/8-inch suction sizing with sweat connections, requiring certified EPA technicians for proper brazing and evacuation.

Warranty & Reliability

Goodman backs this system with a 10-year parts warranty when you register online within 30 days of installation. The warranty covers the furnace heat exchanger, compressor, and condenser coil but excludes wear items like blower wheels. Online registration takes five minutes and is non-negotiable to activate coverage. Ten years beats many competitors at five-year terms, though labor costs fall on the homeowner during years 6-10.

Specifications

SKUCAPT4961D4
Brand/ManufacturerGoodman
Cooling BTU48,000
Heating BTU120,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)76.000000
FeatureSpec
AHRI Certificate Number7424268
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Energy StarYes
Burner StagesModulating
Fuel TypePropane, Natural Gas
Height30"
Width24.5"
Depth21"
ResourcesCAPT Installation Manual CAPT 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.
SEER1 (Efficiency)16
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size45 amps
Min. Breaker Size27.7 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

Why does the product description say 4 tons but the specs list 5 tons? +
The title references the furnace BTU capacity while specs show condenser tonnage. The 48,000 BTU cooling output equals 4 tons, but Goodman rates the overall system at 5 tons. Request clarification from your supplier to confirm matched component ratings match your ductwork sizing.
Can I install this in a downflow configuration? +
The specs indicate upflow/downflow configuration capability, but the right-side flue location restricts true downflow installations. Verify with Goodman technical support and your installer whether horizontal/downflow orientation works with your specific ductwork layout.
How does the 97% AFUE compare to older furnaces? +
A 97% AFUE unit converts 97 of every 100 BTUs of gas into usable heat. Older 80% AFUE furnaces waste 20 BTUs. Upgrading saves roughly 17% on heating energy annually, worth 2-3 years of furnace cost difference in savings alone.
Is 16 SEER1 good for cooling efficiency? +
16 SEER1 ranks above average but not premium. High-efficiency units hit 18-21 SEER2. The two-stage design balances comfort and cost, delivering reliable cooling without extreme price premiums or complex installation requirements.
What happens after the 10-year warranty expires? +
After 10 years, repairs are your responsibility. Budget 1,500-3,000 dollars for major compressor or heat exchanger replacement. Most Goodman equipment runs 15-20 years total, making post-warranty repairs occasional rather than constant.

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