Independent Review · Updated June 2026

5 Ton 16 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

High-efficiency 5-ton combo system with 96% AFUE furnace and 16 SEER cooling at contractor-friendly pricing

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 16 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow
Current Price
$3136
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system is ideal for contractors and homeowners replacing mid-to-large residential systems in mixed climates where both heating and cooling matter equally. The 96% AFUE furnace paired with 16 SEER cooling delivers solid year-round performance without premium pricing, making it a workhorse choice for budget-conscious renovations.

Review

Goodman's CAPF4961D6 represents a mainstream choice in the midmarket HVAC space, combining proven heating and cooling components at $3,136 without pushing into premium territory. The 5-ton capacity and downflow configuration make it adaptable to many existing installations. This system targets contractors who value reliability over cutting-edge features, and homeowners willing to trade some efficiency gains for straightforward serviceability.

The heating side delivers impressive efficiency at 96% AFUE with 120,000 BTU capacity using natural gas or propane. Cooling uses a two-stage scroll compressor with R410A or R22 refrigerant, rated at 16 SEER and 57,000 BTU. The variable-speed ECM blower motor reaches 2,000 CFM maximum, while operating at 74 dBA. Dual staging on both furnace and condenser allows partial load operation, reducing short cycling compared to single-stage units.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means lower heating costs, with 120,000 BTU output suitable for homes up to 4,500 sq ft
  • 16 SEER cooling unit with two-stage condenser and scroll compressor handles variable load efficiently
  • Variable-speed ECM blower motor adapts to demand, improving comfort and reducing runtime energy waste
  • PVC exhaust flue compatibility simplifies installation in modern homes without masonry chimneys
  • 10-year parts warranty with online registration provides reasonable protection at this price point
  • Compact downflow/horizontal configuration fits tight basement or utility closet spaces

Cons

  • Not ENERGY STAR certified, missing potential rebate opportunities some utilities offer
  • 74 dBA operating noise is moderately loud for a residential system, noticeable in quiet neighborhoods
  • Two-stage burner heating is standard but not modulating, so furnace cycles rather than ramps output smoothly

Who Should Buy

Best For

Contractors working on residential replacements in moderate climates where heating and cooling loads are balanced will find this system economical. Homeowners upgrading from 80% AFUE systems will recoup the $3,136 investment through lower utility bills within 5-7 years.

Consider Alternatives If

Homeowners in extreme heating climates should look for modulating furnaces with higher AFUE, and those prioritizing quiet operation should audition competing 15+ SEER units with scroll compressors rated below 72 dBA.

5 Ton 16 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
$3136
Buy at HVACDirect →

Installation

Installation requires 208/230V single-phase 60Hz power with 36.7 to 60 amp breaker sizing. The compact 30 inches tall, 24.5 inches wide, and 21 inches deep A-coil footprint fits standard utility closets. PVC flue compatibility eliminates the need for metal exhaust pipes. Sweat valve connections use 3/8-inch liquid and 7/8-inch suction lines, standard sizing for technicians. Expect 4-6 hours for experienced installation crews.

Warranty & Reliability

Goodman backs this system with a 10-year parts warranty on all components when registered online within 90 days of purchase. The warranty covers compressor, scroll pump, motor, and heat exchanger defects but excludes labor and refrigerant. Registration is straightforward via Goodman's website and strongly recommended, as non-registered units drop to limited coverage. Most contractors include registration as standard practice.

Specifications

SKUCAPF4961D6
Brand/ManufacturerGoodman
Cooling BTU57,000
Heating BTU120,000
RefrigerantR410A or R22
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)50.000000
FeatureSpec
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.
AHRI Certificate Number7368845
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Energy StarNo
Burner StagesTwo
Fuel TypePropane, Natural Gas
Height30"
Width24.5"
Depth21"
ResourcesCAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
SEER1 (Efficiency)18
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size60 amps
Min. Breaker Size36.7 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

Does this unit qualify for energy rebates? +
No, it lacks ENERGY STAR certification. However, some utilities offer rebates on 96% AFUE furnaces or 16 SEER air conditioners separately. Check your local utility's incentive program, as eligibility varies by region. The system's solid efficiency may still trigger modest rebates even without ENERGY STAR status.
Can I install this in an attic or horizontal position? +
Yes, the CAPF4961D6 supports both upflow and downflow/horizontal configurations. Horizontal attic installation requires proper support brackets and clearance for the 30-inch height. Ensure return air and supply ducting maintain smooth transitions to avoid excessive static pressure that reduces efficiency.
How does 16 SEER compare to newer 18+ SEER units? +
16 SEER is solid mid-tier efficiency, using less energy than 14 SEER units but not reaching premium 18-20 SEER models. The difference to an 18 SEER unit is roughly 10-12% lower cooling costs. For most moderate climates, 16 SEER offers excellent payback versus premium alternatives.
Does it work with existing 14 SEER air handlers or furnaces? +
No, this is a complete packaged system with matched furnace and coil. Mixing with mismatched equipment voids warranties and reduces efficiency by 5-15%. Always install as a complete system or separately certify compatibility through AHRI certificate 7368845 before combining components.
What's the expected lifespan? +
Quality Goodman equipment typically lasts 15-18 years with proper maintenance. The 10-year warranty covers major component failures. Beyond 10 years, expect increasing repair costs, making replacement economic after year 15.

Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.