Independent Review · Updated June 2026

4 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency Goodman combo system with 96% AFUE and strong cooling performance

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This Goodman 4-ton system is ideal for homeowners seeking reliable, high-efficiency heating and cooling without premium pricing. The 96% AFUE furnace and 15 SEER air conditioner balance strong performance with real energy savings, making it a solid choice for moderate to cold climates.

Review

The Goodman 4-ton upflow combo system combines a high-efficiency furnace with a capable air conditioner for whole-home climate control. At the mid-market price point, this unit represents solid engineering rather than cutting-edge innovation. It's specifically designed for upflow and horizontal installations, making it suitable for basements and utility closets where space matters. The AHRI certificate number 7368836 confirms proper sizing and performance matching for real-world applications.

Heating performance reaches 100,000 BTU with 96% AFUE, meaning 96 cents of every dollar spent on fuel converts to usable heat. The furnace runs on natural gas or propane with two-stage burners for part-load efficiency. Cooling delivers 48,000 BTU at 15 SEER using a scroll compressor and two-stage condenser. The variable-speed ECM blower handles up to 2,000 CFM, adapting to actual heating and cooling demand rather than running at constant speed. Electrical requirements are straightforward at 208/230V single-phase, requiring a 27.7 to 45 amp breaker.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency significantly reduces heating costs, especially in northern regions with extended heating seasons
  • Variable-speed ECM blower motor optimizes airflow and comfort while reducing energy waste compared to single-speed alternatives
  • 15 SEER air conditioner with two-stage cooling delivers reliable cooling without oversized noise at 74 dBA
  • PVC exhaust compatibility simplifies venting and reduces installation complexity in tight spaces
  • Energy Star certified system qualifies for utility rebates that offset initial costs
  • 10-year warranty with online registration provides confidence in durability and manufacturer support

Cons

  • Spec sheet lists both 15 SEER and 16 SEER1 ratings, creating potential confusion about actual cooling efficiency
  • 74 dBA noise level is moderately loud, which some homeowners may notice during compressor operation
  • R22 refrigerant option limits future serviceability as EPA phases out older refrigerant availability

Who Should Buy

Best For

Homeowners in temperate to cold climates replacing aging furnace-only or combined systems will see rapid ROI on the 96% AFUE furnace. Contractors value this system's straightforward upflow installation, PVC venting, and proven Goodman reliability for residential retrofit projects.

Consider Alternatives If

Buyers prioritizing ultra-quiet operation or needing the absolute highest cooling efficiency should consider systems with lower noise ratings or higher SEER ratings above 16.

4 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas Fur
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Installation

Upflow orientation fits standard basement or utility closet installations. PVC plastic exhaust venting eliminates costly metal flue work and simplifies routing through attics or exterior walls. The compact 30 by 21 by 21 inch footprint, weighing 46 pounds for the furnace section, allows installation in tight spaces. Sweat valve connections for 3/8 inch liquid and 7/8 inch suction lines require basic refrigeration skills or professional HVAC service.

Warranty & Reliability

Goodman provides 10 years of parts coverage when you register online within 30 days of installation. This is competitive for mid-tier equipment but requires proof of professional installation. Coverage includes the compressor, heat exchanger, and major components, though labor costs remain your responsibility after year one.

Specifications

SKUCAPF4961C6
Brand/ManufacturerGoodman
Cooling BTU48,000
Heating BTU100,000
RefrigerantR410A or R22
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)46.000000
FeatureSpec
AHRI Certificate Number7368836
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"
Width21"
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.
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 spec sheet show both 15 SEER and 16 SEER1 ratings? +
The 15 SEER rating reflects older AHRI testing standards, while 16 SEER1 uses updated EPA methodology introduced in 2023. The SEER1 number is more accurate for current energy calculations. Both ratings are valid, but use SEER1 for comparing newer competing units.
Can this system fit in a tight basement installation? +
Yes. At 30 inches tall by 21 inches wide and deep, plus the upflow airflow option, this system fits most standard basement locations. Verify your space height and PVC venting routes before purchasing. The compact footprint is a real advantage over larger commercial-grade units.
How much will the 96% AFUE furnace reduce my heating bills? +
A 96% AFUE system saves roughly 10 to 15 percent on heating costs compared to an 80% unit, depending on climate and usage. In cold regions with $2,000 annual heating bills, expect $200 to $300 in yearly savings. Exact savings vary by local gas prices and your previous equipment efficiency.
Is this Goodman system comparable to high-end brands like Lennox or Carrier? +
Goodman offers strong value and reliability but lacks some premium features found in Lennox or Carrier models, such as quieter operation or higher SEER ratings. This system targets budget-conscious contractors and homeowners. It performs admirably for standard residential duty without the premium price tag.
What happens to my warranty if I install this myself? +
Goodman voids the 10-year warranty for DIY installations. Professional installation is required to activate coverage. Hiring a licensed HVAC contractor is the only way to secure the manufacturer protection.

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