Independent Review · Updated June 2026

4 Ton 17 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Budget-friendly Goodman system with solid efficiency and modulating heat for consistent comfort

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 17 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This Goodman split system works best for budget-conscious homeowners and contractors in mixed climates who want reliable heating and cooling without premium pricing. The 97% AFUE furnace and modulating burner deliver consistent comfort, while the 18 SEER2 condenser keeps cooling costs reasonable.

Review

Goodman's CAPT4961C4 is a straightforward split system that handles both heating and cooling without unnecessary complexity or premium pricing. The upflow configuration works in basements and utility closets where most homeowners and contractors install furnaces. At the mid-range of residential equipment, this system targets buyers who understand that proven reliability beats cutting-edge features. Goodman maintains solid market presence because they deliver consistent performance across their lineup without flashy marketing.

The furnace delivers 80,000 BTU of heating with 97% AFUE, meaning 97 cents of every gas dollar converts to usable heat rather than escaping through the flue. The modulating burner runs at multiple stages instead of simple on-off cycling, reducing temperature swings and fuel consumption. The 4-ton AC section produces 47,000 BTU cooling with an 18 SEER2 rating, which exceeds the federal baseline and pairs well with the variable-speed ECM blower running up to 1,600 CFM. Dual electrical specs (208/230V) ensure compatibility with most residential panels.

Pros & Cons

Pros

  • 97% AFUE furnace with modulating burner stages for precise temperature control and lower fuel waste
  • 18 SEER2 two-stage condenser offers above-average cooling efficiency for a mid-range system
  • Variable-speed ECM blower adapts airflow to demand, reducing utility costs and noise
  • PVC/plastic exhaust flue simplifies installation compared to metal vent requirements
  • Energy Star certified system qualifies for some rebate programs
  • 10-year warranty with online registration provides solid peace-of-mind coverage

Cons

  • Spec sheet shows 4 ton but lists 5 ton tonnage, creating confusion about actual capacity
  • 72 dBA noise level is moderately loud for a residential system, noticeable during operation
  • R410A refrigerant will become harder to source as phase-out accelerates after 2025

Who Should Buy

Best For

Homeowners replacing aging furnace-and-AC combos in regions with moderate heating and cooling demands, plus contractors seeking reliable mid-range equipment for rental properties. Budget matters, but you don't want to sacrifice reliability or efficiency.

Consider Alternatives If

Skip this if you need premium efficiency (22+ SEER2), operate in extreme climates, or prioritize whisper-quiet operation, since the 72 dBA level isn't ideal for bedroom areas.

4 Ton 17 SEER 98% AFUE 80,000 BTU Goodman Gas Furn
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Installation

The upflow design fits standard equipment closets and basements, measuring 30 inches tall by 21 inches wide and deep. PVC exhaust flue simplifies routing compared to metal pipe, reducing installation labor in tight spaces. The system requires 29.3 to 50 amp service depending on configuration. Sweat-type valve connections use standard 3/8-inch and 7/8-inch copper lines. Most contractors can handle this installation in 4 to 6 hours including ductwork connections.

Warranty & Reliability

Goodman covers parts for 10 years when you register online, which takes five minutes on their website. Labor coverage varies by dealer, but parts protection is substantial. This compares favorably to many budget brands offering only 5-year coverage. Registration is essential, since you forfeit protection without completing it. Covers refrigerant leaks and compressor failures, the two most expensive failure modes.

Specifications

SKUCAPT4961C4
Brand/ManufacturerGoodman
Cooling BTU47,000
Heating BTU80,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)73.000000
FeatureSpec
AHRI Certificate Number7424266
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM1600
ConfigurationUpflow / Downflow
Energy StarYes
Burner StagesModulating
Fuel TypePropane, Natural Gas
Height30"
Width21"
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

Why does the spec sheet say 4 ton but also list 5 ton tonnage? +
This appears to be a data entry error on the specs. The title clearly states 4 ton, and the 47,000 BTU cooling output confirms 4-ton capacity (roughly 12,000 BTU per ton). Contact the seller to clarify before purchase, but expect 4-ton performance based on cooling BTU.
Can I install this myself, or do I need a licensed contractor? +
Most jurisdictions require a licensed HVAC technician for both gas furnaces and refrigerant systems due to safety codes and EPA certification requirements. DIY installation voids the warranty and may violate local building permits. Budget $1,500 to $2,500 for professional installation depending on your region.
How does 18 SEER2 compare to other systems in this price range? +
18 SEER2 is solid mid-range performance. Budget systems start around 14-15 SEER2, while premium units hit 20-22. At this price point, you're getting respectable cooling efficiency without paying for top-tier features. Expect annual cooling savings of $150 to $300 compared to older 10-12 SEER systems.
What's the difference between modulating and single-stage burners? +
Modulating burners run at multiple heat levels, adjusting to actual demand rather than cycling fully on and off. This reduces temperature swings, cuts fuel consumption by 5-10%, and improves comfort. Single-stage burners are cheaper but less efficient and less consistent.
Does the 10-year warranty cover labor costs? +
The listed warranty covers parts only. Labor coverage depends on your dealer's agreement. Ask about extended labor warranties at purchase, since compressor replacement labor alone can run $800 to $1,500.

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