5 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system delivers excellent efficiency for the price point, making it ideal for residential replacements where upflow installation is required. The 96% AFUE and variable-speed ECM blower offer strong heating performance, though the 15 SEER rating trails premium competitors by 3-5 points.

Review

The Goodman CAPF4961C6 represents a solid middle-ground option in the residential HVAC market. This 5-ton system combines a gas furnace with an air conditioning condenser, available in upflow or downflow configuration to suit various installation constraints. Goodman has built its reputation on providing serviceable, no-frills equipment at competitive prices, and this unit follows that formula while incorporating modern efficiency standards.

Performance metrics show genuine competence across both heating and cooling. The furnace delivers 100,000 BTU with 96% AFUE efficiency, meaning 96 cents of every gas dollar converts to usable heat, significantly better than the 80-85% baseline from older equipment. The air conditioning side produces 57,000 BTU cooling capacity with a 15 SEER rating. The variable-speed ECM blower reaches 2000 CFM maximum and adjusts automatically based on load, reducing wasted electrical consumption. Two-stage compressor operation allows partial-load efficiency during spring and fall weather.

Pros & Cons

Pros

96% AFUE efficiency means substantially lower gas bills compared to standard 80-85% units, saving homeowners $200-400 annually
Variable-speed ECM blower motor reduces electricity draw and improves comfort through gradual speed ramping rather than on-off cycling
Two-stage heating and cooling allows the system to operate at partial capacity during mild weather, improving efficiency and longevity
100,000 BTU heating output handles demanding climates and larger homes effectively
10-year parts warranty with online registration provides meaningful protection for mid-range equipment

Cons

15 SEER rating is competitive but not exceptional; higher-end systems reach 18-21 SEER for cooling-dominant climates
74 dBA operating noise level is moderate, potentially noticeable in quiet residential settings during heating cycles
No Energy Star certification despite reasonable efficiency, suggesting Goodman didn't pursue formal qualification

Who Should Buy

Best For

Contractors seeking reliable equipment for budget-conscious homeowners in moderate climates where upflow installation is required. This system works particularly well for full furnace-AC replacements where heating loads matter and utility rebates apply.

Consider Alternatives If

Homeowners prioritizing maximum cooling efficiency in hot climates should examine 18+ SEER units from Carrier or Lennox, which offer better long-term cooling savings despite higher upfront costs.

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

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Installation

Installation requires PVC or plastic exhaust flue for condensate handling, which most modern homes already support. The 30-inch height and 21x21-inch footprint fit standard closet or basement locations. Electrical requirements run 208-230V single-phase 60 Hz, needing minimum 36.7 amp breaker service and maximum 60 amps. Valve connections use standard 3/8-inch liquid and 7/8-inch suction lines with sweat fittings compatible with existing copper piping.

Warranty & Reliability

Goodman provides a 10-year parts warranty when you register online within 60 days of purchase. This covers compressor, heating elements, and major components but typically excludes labor costs. Online registration takes five minutes and extends protection meaningfully beyond the standard one-year default. This warranty level is standard for mid-tier equipment and provides adequate protection for most residential applications.

Specifications

SKU	CAPF4961C6
Brand/Manufacturer	Goodman
Cooling BTU	57,000
Heating BTU	100,000
Refrigerant	R410A or R22
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	46.000000
Feature	Spec
AHRI Certificate Number	7368836
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	96%
Blower Motor	Variable Speed - ECM
Maximum CFM	2000
Configuration	Upflow / Downflow
Energy Star	No
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Height	30"
Width	21"
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.
SEER1 (Efficiency)	18
Condenser Stages	Two Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	60 amps
Min. Breaker Size	36.7 amps
Tonnage	5 Ton
Valve Type	Sweat
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil

Frequently Asked Questions

How much can I expect to save on heating costs compared to my old furnace? +

If replacing an 80% AFUE unit, expect approximately 20% lower annual heating costs. A home burning 100 therms yearly would save roughly 20 therms worth of fuel. At $1.50 per therm average, that's $300 annual savings. Over 10 years, you recover a significant portion of equipment cost through fuel efficiency alone.

Will this system fit in my existing equipment location? +

The 30-inch height and 21x21-inch width accommodate most furnace closets and basement corners. Verify your PVC exhaust flue runs horizontally or upward (no traps). Confirm 208-230V electrical access within six feet. If your existing equipment required downflow instead, Goodman offers that configuration under the same model.

Is 15 SEER cooling efficiency good enough for hot climates? +

15 SEER provides solid efficiency for heating-dominant climates but lags in hot regions. If you're in zones 1-3 with heavy AC use, consider 18+ SEER alternatives. The 57,000 BTU cooling capacity is sufficient for 5-ton sizing, but higher SEER ratings reduce electric costs more meaningfully over 15-year equipment life.

How does this compare to Carrier or Lennox mid-range units? +

Goodman typically offers 10-15% better pricing than Carrier or Lennox at comparable efficiency tiers. Carrier and Lennox add features like variable condenser fans or quieter compressors that justify cost differences. Goodman prioritizes dependable performance over premium noise reduction or advanced controls.

What does the 10-year warranty actually cover if something fails? +

Parts replacement is covered for compressor, heat exchanger, blower motor, and most electrical components. Labor costs fall on the homeowner. Refrigerant top-ups and routine maintenance are excluded. Registration is required, so complete paperwork immediately after installation to activate coverage.

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