4 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal Review 2026

// Bottom Line

This Goodman system makes sense for homeowners in moderate heating and cooling zones who want above-average efficiency without premium pricing. The 96% AFUE furnace and 15 SEER air conditioner deliver measurable energy savings, and the two-stage burner and variable-speed blower optimize comfort across seasons.

Review

The Goodman DSXC160481 is a practical mid-market choice for homeowners needing coordinated heating and cooling. This 4-ton system pairs a 120,000 BTU furnace with a 48,000 BTU air conditioner, sized for homes around 1,400-1,800 square feet in moderate climates. At $3,136, it positions itself between budget builder-grade equipment and premium high-efficiency units, making it popular with contractors doing straightforward replacements where existing ductwork is compatible.

The furnace delivers 96% AFUE efficiency with two-stage burner modulation, and the air conditioner achieves 15 SEER cooling with a scroll compressor. The variable-speed ECM blower motor adjusts from 0 to 2000 CFM based on demand, avoiding the constant full-speed cycling of older PSC motors. Over a heating season in a cold-moderate climate, the 96% efficiency advantage translates to roughly 5-8% annual savings compared to 90% AFUE baseline equipment, totaling $150-250 depending on gas rates.

Pros & Cons

Pros

96% AFUE furnace efficiency means 96 cents of every heating dollar converts to usable heat, significantly reducing winter bills
Two-stage burner and two-stage condenser allow the system to modulate capacity, reducing temperature swings and improving comfort
Variable-speed ECM blower motor runs at lower speeds during partial-load operation, cutting electricity draw when full capacity isn't needed
Horizontal configuration fits tight spaces like attics or crawlspaces where vertical equipment won't work
PVC exhaust flue compatibility simplifies venting and reduces installation costs compared to metal ductwork requirements
Energy Star rated with available rebates, potentially offsetting some upfront cost
10-year parts warranty with online registration provides decent long-term protection at this price point

Cons

15 SEER rating is respectable but not cutting-edge, newer units push 18-21 SEER for higher efficiency in hot climates
74 dB sound level is audible during operation, loud enough that some homeowners notice it in quiet rooms
R410A refrigerant is standard but being phased out, future service availability may tighten over 10-15 years

Who Should Buy

Best For

This system fits homeowners in HVAC zones 4-6 (moderate winters and summers) who replace equipment every 15-20 years and want proven reliability at fair pricing. It's ideal for those in areas without extreme temperature swings where maximum SEER ratings justify premium costs.

Consider Alternatives If

Skip this if you live in the Deep South or Arizona where year-round AC demand justifies 18+ SEER systems, or in very cold climates where 98% AFUE furnaces pay for themselves faster.

4 Ton 15 SEER 96% AFUE 120,000 BTU Goodman Gas Fur

$3136

Buy at HVACDirect →

Installation

Horizontal configuration requires attic or crawlspace mounting with adequate clearance (36.25 inches tall, 35.5 inches wide and deep). The 241-pound weight demands proper framing and support. PVC exhaust venting simplifies installation compared to metal flue requirements. Electrical needs 208/230V single-phase service with minimum 27.7 amps breaker capacity, standard for most residential panels. Refrigerant lines use sweat-valve connections requiring moderate soldering skill or professional installation.

Warranty & Reliability

Goodman provides a 10-year parts warranty on all components when you register online within 30 days of installation. Labor coverage is not included, meaning you pay service calls if repairs exceed parts costs. This is competitive at the $3,000 price point but shorter than premium brands offering 12-15 year warranties. Registration is essential, not automatic.

Specifications

SKU	DSXC160481
Brand/Manufacturer	Goodman
Cooling BTU	48,000
Heating BTU	120,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	241.000000
Feature	Spec
AHRI Certificate Number	7368845
Airflow Direction	Downflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	96%
Blower Motor	Variable Speed - ECM
Maximum CFM	2000
Configuration	Horizontal
Energy Star	Yes
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Height	36.25"
Width	35.5"
Depth	35.5"
Resources	Goodman Specifications You will need AdobeÂ® AcrobatÂ® 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.
Liquid Line	3/8"
Suction Line	7/8"
Tonnage	4 Ton
Style	A-Coil
SEER1 (Efficiency)	16
Condenser Stages	Two Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	45 amps
Min. Breaker Size	27.7 amps
Valve Type	Sweat

Frequently Asked Questions

How does 96% AFUE compare to my old furnace efficiency? +

If your current furnace is 80-85% AFUE (typical for units 15+ years old), upgrading to 96% saves roughly 11-16% on heating costs annually. On a $1,200 annual heating bill, expect $130-190 yearly savings. Payback on the efficiency upgrade alone takes 8-12 years, though lifespan improvements matter too.

Can I install this in my attic if space is tight? +

Yes, the horizontal A-coil configuration is designed for attics and crawlspaces. At 36.25 inches tall and 35.5 inches deep, verify you have at least 40 inches of clearance for service access. Ensure attic joists support the 241-pound weight with proper blocking and distribution.

What does the two-stage burner do for my comfort? +

Two-stage operation runs at low capacity (roughly 70% output) during mild weather, reducing temperature swings and eliminating harsh on-off cycling. This improves comfort in shoulder seasons and reduces short-cycling wear. Full capacity activates only when outdoor temps drop significantly.

Is 15 SEER sufficient or should I pay more for 18 SEER? +

Fifteen SEER is sufficient in zones 4-6 but underwhelming in hot climates. An 18 SEER upgrade costs $1,200-1,800 more upfront, recouping through cooling savings only in areas with 2,500+ cooling degree-days annually. Skip the upgrade unless you run AC six months yearly.

Does the 10-year warranty cover everything? +

The parts warranty covers all components but excludes labor and wear items. You must register online within 30 days or coverage voids. In-warranty repairs still cost service call fees. Extended labor plans are available separately from dealers.

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