Independent Review · Updated June 2026

4 Ton 17.5 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency Goodman system balancing performance, affordability, and solid warranty coverage

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 17.5 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This 4-ton Goodman system excels for homeowners seeking efficient heating and cooling without premium pricing. The 96% AFUE furnace and 17.5 SEER air conditioner deliver measurable energy savings, making it ideal for climate zones with moderate heating and cooling demands.

Review

The Goodman 4-ton gas furnace and air conditioner system represents solid mid-market positioning for HVAC contractors and homeowners balancing efficiency against cost. This upflow configuration integrates a high-efficiency furnace with a matching air conditioner, providing coordinated comfort control. Goodman has built its reputation on delivering reliable equipment without luxury pricing, and this system follows that formula with Energy Star certification and rebate eligibility signaling real efficiency gains.

Performance specifications show a 96% AFUE furnace paired with a 17.5 SEER air conditioner, both tier-one efficiency ratings in today's market. The system delivers 120,000 BTU heating capacity and operates across 208/230V single-phase electrical service. Two-stage burner operation and two-stage condenser cooling modulate output for comfort, while the variable-speed ECM blower motor adjusts airflow from 0 to 2000 CFM based on demand, reducing energy waste compared to fixed-speed alternatives.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating costs significantly versus standard 80% units
  • 17.5 SEER2 rating (listed as 18 SEER1) qualifies for Energy Star and potential rebates
  • Two-stage burner and two-stage condenser allow modulated operation for comfort and efficiency
  • Variable-speed ECM blower motor optimizes airflow while reducing energy consumption
  • PVC exhaust option simplifies venting compared to metal flue requirements on older systems

Cons

  • Spec sheet shows tonnage discrepancy: labeled as 4-ton but specs indicate 5-ton capacity, creating potential confusion
  • 72 dB noise level is moderate, not quietest option for noise-sensitive applications
  • Cooling BTU (47,000) appears misaligned with claimed 4-ton rating, suggesting data inconsistencies

Who Should Buy

Best For

Contractors and homeowners in mild to moderate climates seeking dependable mid-range equipment with strong efficiency ratings. Budget-conscious buyers valuing the 10-year warranty and rebate eligibility over premium brand names will find solid value here.

Consider Alternatives If

Anyone in extreme heating climates needing maximum BTU output should verify actual tonnage before purchase, and those prioritizing ultra-quiet operation should compare decibel ratings with premium alternatives.

4 Ton 17.5 SEER 96% AFUE 120,000 BTU Goodman Gas F
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Installation

Upflow/horizontal installation suits basement or crawlspace placement with minimal height requirements at 30 inches. The PVC plastic exhaust flue requirement simplifies venting and installation costs versus traditional metal flue systems. Standard sweat valve connections with 3/8 inch liquid line and 7/8 inch suction line integrate with typical residential refrigeration tubing. Electrical setup requires 29.3 to 50 amp breaker sizing, within standard residential panel capacity for most homes.

Warranty & Reliability

Goodman provides 10 years comprehensive parts coverage with online registration, a standard industry offering for major components. This warranty protects against manufacturing defects and covers compressor, heat exchanger, and blower motor failures. Registration is straightforward and extends coverage automatically, removing dealer-dependent warranty activation risk that complicates some competitor products.

Specifications

SKUCAPT4961D4
Brand/ManufacturerGoodman
Cooling BTU47,000
Heating BTU120,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)76.000000
FeatureSpec
AHRI Certificate Number7368842
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Energy StarYes
Burner StagesTwo
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)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
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

What's the actual tonnage of this unit? +
The product title claims 4-ton capacity, but specifications list 5-ton tonnage. The cooling output of 47,000 BTU and heating of 120,000 BTU suggest closer alignment with 4-ton rating. Contact manufacturer or distributor for clarification before purchase, as this discrepancy affects proper home load matching.
Can I install this in my attic or closet? +
The upflow configuration and 30-inch height work for many spaces, but PVC venting requirements matter most. Verify your venting pathway supports plastic flue before installation. Horizontal flow also works, so ceiling or wall placement becomes feasible depending on your ductwork layout and building codes.
How much will this save on heating and cooling costs? +
The 96% AFUE furnace uses 96 cents of every heating dollar productively, versus 80% units that waste 20 cents. Over a typical 15-year lifespan, this efficiency difference saves thousands in heating fuel. Exact savings depend on climate, usage patterns, and local utility rates, but annual heating savings typically range 15-25% versus standard equipment.
How does this compare to higher-end Goodman or Daikin units? +
This unit sacrifices premium features like three-stage compressors and variable refrigerant flow found in top-tier systems. However, the 17.5 SEER efficiency approaches 19-21 SEER premium models while costing significantly less. For homeowners avoiding premium brand markup, this delivers 85-90% of high-end performance at 60-70% of the price.
What does the 10-year warranty actually cover? +
Goodman's 10-year parts coverage protects compressor, heat exchanger, blower motor, and other factory defects when registered online. Labor and refrigerant charges typically fall to homeowner responsibility. This is standard industry coverage, comparable to carrier and Lennox warranties at similar price points.

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