2 Ton 15 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system works best for budget-conscious homeowners upgrading older equipment in moderate climates where 15 SEER cooling meets utility rebate thresholds. At $647, it delivers respectable efficiency without premium pricing, though the 80% AFUE furnace section is dated compared to high-efficiency alternatives.

Review

The Goodman GSX16S241 replacement system sits in a unique market position, priced aggressively at $647 for a matched pair that includes both the air conditioning condenser and furnace unit. Online Supply brands like this one appeal directly to contractors and savvy homeowners installing their own systems or using budget-conscious HVAC shops. It's not a premium offering, but it's built on proven Goodman architecture with enough features to satisfy basic comfort needs without luxury pricing.

Performance numbers tell a mixed story. The 23,600 cooling BTU with 15 SEER rating lands solidly on the efficiency spectrum, earning Energy Star qualification and hitting many utility rebate programs. The furnace delivers 100,000 BTU across two burner stages, allowing modulation for part-load comfort. However, the 80% AFUE rating means roughly one-fifth of fuel energy exits unburned through the flue, adding to heating season costs. The variable-speed blower motor at maximum 2000 CFM helps distribute air evenly, though single-stage cooling means the compressor runs full-capacity or not at all rather than varying output.

Pros & Cons

Pros

Exceptional price point at $647 for a complete 2-ton combo system
15 SEER air conditioning unit qualifies for many utility rebates and Energy Star certification
100,000 BTU furnace with two burner stages and variable-speed blower motor for comfort modulation
Scroll compressor design is proven reliable with minimal moving parts
10-year warranty with online registration provides solid protection for components

Cons

80% AFUE furnace efficiency lags behind 95%+ high-efficiency models, costing more in annual gas bills
Single-stage cooling compressor cycles on and off rather than modulating capacity for efficiency
Specifications list contradictory tonnage information, 2-ton title versus 3.5-ton specs, creating confusion

Who Should Buy

Best For

Budget-conscious homeowners in moderate climates replacing 10+ year old systems who want to hit Energy Star without spending $2,000+ on a complete install. Contractors serving price-sensitive customers in regions where utility rebates reward 15 SEER equipment will find solid margin here.

Consider Alternatives If

Anyone in extreme climates, those prioritizing maximum efficiency to offset high utility costs, or buyers wanting single-unit simplicity should explore alternatives.

2 Ton 15 SEER 80% AFUE 100,000 BTU Goodman Gas Fur

$647

Buy at HVACDirect →

Installation

Installation requires standard HVAC practices. The system draws 120V single-phase power, needing a 12.4 to 20 amp breaker depending on final connection configuration. Upflow/horizontal airflow orientation suits most homes. Refrigerant lines use 3/8-inch liquid and 3/4-inch suction connections with 50 feet of pre-insulated suction line included. Metal exhaust flue is required. The A-coil style works with typical ductwork arrangements, though professional certification is recommended for proper installation.

Warranty & Reliability

Goodman provides 10 years of parts and labor coverage once you register online, which most buyers complete during installation. This covers compressor failure, refrigerant leaks, and motor issues. It's competitive for this price tier, though not exceptional compared to premium brands offering 12-year protection. Online registration takes minutes and is essential for claim eligibility.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	23,600
Heating BTU	100,000
Refrigerant	R410A or R22
Electrical	120 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71.5
Weight (in lbs)	22.000000
Feature	Spec
Replaces	GSX16S241
Energy Star	Yes
SEER1 (Efficiency)	16
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	20 amps
Min. Breaker Size	12.4 amps
Tonnage	3.5 Ton
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.
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Variable Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

What does 15 SEER cooling efficiency actually mean for my energy bills? +

SEER rating divides yearly cooling output by energy consumed. A 15 SEER unit uses about 33% less electricity than a 10 SEER unit for identical cooling load. On a $1200 annual cooling bill, you'd save roughly $360 yearly compared to older systems, recovering the unit cost in under two years for most homeowners.

Can I install this myself if I'm handy? +

The equipment is straightforward, but EPA regulations require EPA-certified technicians to handle refrigerant. You can handle ductwork and electrical connections, but must hire certified help for charging and pressure testing. Improper refrigerant handling voids warranty and creates safety hazards.

How does 80% AFUE furnace efficiency compare to what contractors typically install? +

80% AFUE is baseline efficiency. Most contractors now install 90-95% AFUE models, which cost $200-400 more but save 10-15% on annual heating bills. Over 15 years, high-efficiency pays for itself in fuel savings, especially in cold climates.

Should I choose this or a single mini-split system instead? +

Mini-splits offer higher efficiency and zone control but cost 40-60% more and require wall units in each space. This Goodman works with existing ductwork, costs less upfront, and heats and cools consistently. Choose Goodman if ductwork exists; mini-split if you want zoning and have no ducts.

What does the 10-year warranty actually cover? +

Parts and labor on compressor, refrigerant leaks, motors, and coils for a decade. It does not cover routine maintenance, refrigerant top-offs unrelated to factory defects, or damage from improper installation or neglected filter changes.

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