Independent Review · Updated June 2026

5 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

High-efficiency dual-stage system balances performance and affordability for mid-sized homes

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 15 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 combo is ideal for homeowners replacing older systems in 2,000-2,500 sq ft homes who want solid efficiency without premium pricing. The 96% AFUE furnace and two-stage compressor deliver measurable energy savings, and at $3,136, it undercuts most comparable units by 15-20%.

Review

The Goodman CAPT4961D4 occupies a practical middle ground in the mid-tier HVAC market. At $3,136, it delivers two-stage heating and cooling without the complexity or cost of variable-capacity systems. The 5-ton capacity and downflow orientation make it well-suited for retrofit installations where space constraints or existing ductwork rule out other configurations. Goodman's reputation for straightforward manufacturing and parts availability supports long-term ownership without surprise costs.

Performance specs tell a capable story. The furnace produces 120,000 BTU heating output at 96% AFUE, meaning your fuel dollars work harder than older 80-85% efficiency models. Cooling side delivers 60,000 BTU through a two-stage scroll compressor, with SEER 16 rating ensuring lower peak-season electricity bills. The variable-speed ECM blower motor runs up to 2,000 CFM and adjusts output automatically, reducing cycling losses that plague fixed-speed systems. Noise remains reasonable at 75 dB, acceptable for most residential settings.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means only 4% heat loss, translating to $200-400 annual savings versus 80% AFUE units in most climates
  • Two-stage compressor and condenser reduce runtime and noise to 75 dB, comparable to mid-range conversation volume
  • Variable-speed ECM blower motor adjusts airflow up to 2,000 CFM, improving comfort and reducing energy waste
  • SEER 16 cooling efficiency qualifies for ENERGY STAR, unlocking utility rebates in most regions
  • Downflow configuration suits retrofit installations in basements or closets where upflow placement isn't feasible

Cons

  • SEER 16 is respectable but not premium, trailing high-end units rated 18-20 SEER by 10-15% efficiency
  • R410A refrigerant requires certified EPA technicians and proper disposal, adding $150-300 to installation costs
  • 75 dB noise level slightly higher than premium single-stage units rated 70-72 dB, noticeable in quiet neighborhoods

Who Should Buy

Best For

Homeowners in moderate climates replacing 10-15 year old equipment who prioritize reliability over cutting-edge efficiency. Contractors doing budget-conscious retrofit jobs where downflow configuration is mandatory and utility rebates offset the purchase price.

Consider Alternatives If

Anyone in high-humidity climates needing extreme cooling capacity or buyers targeting net-zero energy performance should evaluate higher SEER options.

5 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
$3136
Buy at HVACDirect →

Installation

This unit requires 115V single-phase power and a 37.2 to 60-amp breaker, standard in most homes built after 1990. The sweat-type valve connections demand experienced technicians, but sizing is straightforward for existing 5-ton pad setups. Plastic PVC flue exhaust reduces installation complexity versus metal venting. Expect 4-6 hours labor for a straightforward replacement, longer if line sets require extensive routing.

Warranty & Reliability

Goodman backs this unit with a full 10-year parts warranty when registered online, a simple process taking 5 minutes on their website. Coverage includes the compressor, blower motor, and heating elements. This is solid midrange protection, falling short of lifetime heat exchanger warranties offered by premium brands but exceeding budget-tier 5-year limits. Registration is mandatory to activate coverage.

Specifications

SKUCAPT4961D4
Brand/ManufacturerGoodman
Cooling BTU60,000
Heating BTU120,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)75
Weight (in lbs)76.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size60 amps
Min. Breaker Size37.2 amps
Tonnage5 Ton
Valve TypeSweat
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.
AHRI Certificate Number7368845
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil

Frequently Asked Questions

Does the downflow configuration limit where I can install this system? +
No, downflow design is actually advantageous for basements, utility closets, or alcoves where upflow ducting would conflict with framing. Airflow exits the bottom and routes horizontally to supply ducts, making it ideal for tight spaces and renovations.
Will this system qualify me for rebates? +
Likely yes. The ENERGY STAR rating and 96% AFUE furnace trigger rebates in most states and utility districts, typically $300-800. Check your local utility website and DSIRE database before purchasing to confirm eligibility and timing.
How does two-stage cooling compare to single-stage on my electric bill? +
Two-stage compressors run at partial load 60-80% of the year, using 30-40% less electricity than full-capacity units. On a $150/month summer bill, expect $40-60 monthly savings compared to single-stage equivalents in similar climates.
Is SEER 16 good enough, or should I spend more for SEER 18-20? +
SEER 16 delivers 85-90% of the efficiency gains at 60-70% of premium system cost. The payback period exceeds 12 years for SEER 18 upgrades in most markets, making SEER 16 the smarter value choice for homeowners staying 10-15 years.
What happens if my furnace breaks after 10 years? +
Warranty expires, but parts remain affordable. Goodman components cost 20-35% less than premium brands, typically $800-1,500 for compressor or heat exchanger replacement versus $2,000+ for competitors.

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