4 Ton 17 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system works best for homeowners in mixed climates who want reliable heating without premium pricing. The 96% AFUE furnace and 18 SEER2 cooling coil deliver solid efficiency gains, though the 4-ton cooling capacity may undersize homes needing more than 15,000-17,000 sq ft of cooling.

Review

The Goodman CAPT4961D4 represents the practical middle ground in HVAC equipment. This 4-ton system combines a furnace and air conditioning coil, offering both heating and cooling in one package. With a 96% AFUE rating and Energy Star certification, it appeals to homeowners balancing efficiency upgrades with budget constraints. Goodman's reputation for straightforward reliability makes this system popular with contractors handling residential replacements in moderate climate zones.

Performance numbers tell a compelling efficiency story. The furnace delivers 120,000 BTU heating output at 96% AFUE, meaning nearly all fuel converts to usable heat. Cooling reaches 47,000 BTU through an 18 SEER2 rated coil with two-stage compressor and scroll technology. The multi-speed ECM blower runs up to 2,000 CFM, automatically adjusting to match heating and cooling demands. This modulation reduces energy consumption during partial-load conditions, common in spring and fall.

Pros & Cons

Pros

96% AFUE furnace efficiency ranks among the best available, reducing winter heating costs significantly
18 SEER2 cooling rating meets modern efficiency standards without high-end pricing
Multi-speed ECM blower motor adapts airflow to actual demand, improving comfort and reducing waste
Two-stage burner and condenser provide modulated operation for better temperature control
PVC/plastic exhaust flue option simplifies venting compared to metal flue systems
10-year warranty with online registration offers solid coverage for parts and labor

Cons

4-ton cooling capacity with 47,000 BTU output limits this to smaller homes, typically under 17,000 sq ft
SKU mismatch shows 5-ton tonnage in specs but 4-ton in product title, creating confusion about actual capacity
72 dB noise level is moderately loud during operation, noticeable in adjacent rooms
Requires 208/230V single-phase power, limiting installation options in some older homes

Who Should Buy

Best For

Homeowners in moderate climates replacing older furnaces want efficient heating with balanced cooling performance. Contractors installing systems in smaller homes appreciate Goodman's straightforward design and PVC venting flexibility.

Consider Alternatives If

Buyers in hot climates needing robust cooling should explore higher-tonnage units. Those prioritizing ultra-quiet operation should consider competitors with lower decibel ratings.

4 Ton 17 SEER 96% AFUE 120,000 BTU Goodman Gas Fur

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Installation

Installation favors contractors familiar with Goodman equipment. The upflow/horizontal configuration suits basements and utility closets. Plastic PVC exhaust venting simplifies ductwork compared to metal flue requirements. At 76 pounds and 30 inches tall, the unit fits standard equipment spaces. Electrical connections require 208/230V single-phase 60Hz service with breaker sizing between 29.3 and 50 amps.

Warranty & Reliability

Goodman includes a 10-year warranty on parts and labor when you register online. This extended coverage protects against compressor failure, heat exchanger cracks, and blower motor issues. Registration takes minutes and provides peace of mind. However, labor coverage typically applies only during the first five years, so confirm terms before purchase.

Specifications

SKU	CAPT4961D4
Brand/Manufacturer	Goodman
Cooling BTU	47,000
Heating BTU	120,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	72
Weight (in lbs)	76.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Multi-Speed - ECM
Maximum CFM	2000
Configuration	Upflow / Downflow
Flue Location	Right
Energy Star	Yes
Burner Stages	Two
Fuel Type	Gas
Height	30"
Width	24.5"
Depth	21"
Resources	CAPT Installation Manual CAPT 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	50 amps
Min. Breaker Size	29.3 amps
Tonnage	5 Ton
Valve Type	Sweat
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil

Frequently Asked Questions

Does this system include both furnace and air conditioning? +

Yes, this is a complete split system with the gas furnace and evaporator coil included. You'll need a separate outdoor condenser unit rated for 4-ton capacity. The 47,000 BTU cooling capacity and 120,000 BTU heating work together for year-round comfort.

Can I install this in my basement with upflow orientation? +

Yes, the upflow/horizontal configuration supports basement installation. PVC plastic exhaust venting simplifies routing through basement walls or ceilings. Ensure adequate return air access and install the drain pan properly to prevent water damage.

What's the difference between SEER2 18 and older SEER ratings? +

SEER2 uses updated testing standards reflecting real-world conditions better than legacy SEER ratings. An 18 SEER2 rating indicates high efficiency. This system qualifies for Energy Star certification and many utility rebates in efficiency-focused regions.

Is a 4-ton system large enough for my 2,000 sq ft home? +

Generally yes, but depends on insulation, climate, and sun exposure. Rule of thumb suggests 400-500 sq ft per ton, making 4 tons adequate for 2,000 sq ft in moderate climates. Have a professional load calculation done before purchasing.

What happens after my 10-year warranty expires? +

Coverage ends entirely after 10 years. Service calls become out-of-pocket expenses. Extended warranty plans from retailers or Goodman may be available at purchase, so ask about options upfront.

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