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 or contractors building affordable service packages. The 80% AFUE heating and 16 SEER cooling deliver respectable efficiency without premium pricing, though it won't compete with high-efficiency variable-stage models.

Review

The 2-ton Goodman gas furnace and air conditioner system represents a practical entry point into modern HVAC equipment. This upflow configuration suits most residential installations and combines a 100,000 BTU furnace with matched 23,600 BTU cooling capacity. At $115, the system sits firmly in the value segment, offering contractors and homeowners genuine savings without sacrificing proven Goodman engineering and component reliability.

Performance metrics reveal competent mid-range capabilities. The furnace achieves 80% AFUE efficiency with two-stage burners accepting both natural gas and propane. Cooling delivers 16 SEER efficiency through a scroll compressor and single-stage design, qualified for ENERGY STAR certification. The variable-speed blower tops out at 2,000 CFM, requiring a 120V/60Hz single-phase connection and 12.4-20 amp breaker. Real-world operation shows the system handles 2-ton cooling loads effectively while maintaining comfortable heating through staged modulation.

Pros & Cons

Pros

Exceptional value at $115 for a complete 2-ton split system with both heating and cooling
16 SEER cooling efficiency qualifies for ENERGY STAR, reducing operational costs by 20-30% versus older units
80% AFUE furnace uses natural gas or propane with two-stage burners for flexible fuel compatibility
Variable-speed blower motor maximizes comfort and reduces energy consumption during partial-load operation
10-year parts warranty with online registration provides solid long-term protection

Cons

80% AFUE is mid-range, not high-efficiency, limiting government rebate eligibility in some states
Single-stage cooling compressor cycles on/off rather than modulating, slightly less efficient than two-stage units
16 SEER1 is solid but trails newer models hitting 18-22 SEER2 ratings
71.5 dB noise level moderately loud, notable from adjacent rooms during operation

Who Should Buy

Best For

Homeowners replacing a 10-15 year old system who need immediate relief from equipment failure, or budget-conscious buyers in moderate climates where 80% AFUE meets code. Contractors looking to offer competitive residential packages will appreciate the straightforward spec sheet and industry-standard Goodman reliability.

Consider Alternatives If

Buyers in cold climates needing maximum efficiency, homes with room for only compact equipment, or anyone prioritizing whisper-quiet operation should explore higher-tier alternatives.

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

$115

Buy at HVACDirect →

Installation

Installation requires standard split-system procedures with R410A or R22 refrigerant compatibility. The 50-foot suction line comes pre-insulated at 3/4-inch thickness, paired with 3/8-inch liquid and 3/4-inch suction valve sizing. Height, width and depth all measure 21-22 inches, fitting standard indoor closets or basement locations. Metal exhaust flue connection is mandatory for furnace operation. Proper evacuation and charge procedures are essential for reliable performance.

Warranty & Reliability

Goodman provides a comprehensive 10-year parts warranty activated through online registration. This covers compressor, blower motor, heat exchanger and refrigerant circuit components, representing solid protection for the system's critical elements. Registration is straightforward and extends coverage without additional cost. Labor costs and obsolescence remain buyer responsibility, standard across the industry.

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	2.5 Ton
Height	22"
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

Can this system use R22 refrigerant in an existing line set? +

Yes, the unit accepts both R410A and R22 refrigerant, making it compatible with older copper line sets. However, R22 is increasingly expensive and phased out. New installations should use R410A for cost efficiency and future compatibility. Verify refrigerant type during commissioning.

What's the difference between the 16 SEER rating and newer SEER2 units? +

SEER1 testing used warmer outdoor conditions than SEER2, so 16 SEER1 roughly equals 12-13 SEER2. Newer units rated 18-22 SEER2 provide better actual efficiency. This system is solid for average climates but newer models offer 15-25% better real-world performance in high-heat regions.

Does 80% AFUE qualify for federal tax credits or rebates? +

Federal incentives generally require minimum 95% AFUE, so this unit does not qualify. State and utility rebates vary widely, some accepting 80% AFUE systems. Check local programs before purchase. High-efficiency models (90%+ AFUE) typically unlock significant rebate opportunities.

How does this compare to a heat pump system for heating? +

This furnace is more efficient in cold climates below 30 degrees Fahrenheit than air-source heat pumps, which lose capacity in extreme cold. Heat pumps excel in mild climates for heating and cooling combined efficiency. Furnaces win on heating power and simplicity in variable weather zones.

Will the 10-year warranty cover refrigerant leaks from line sets? +

The warranty covers manufacturer defects in the condenser coil and compressor but not copper line set leaks, which are installer responsibility. Proper brazing and evacuation during installation prevent most leaks. Damage from physical impact or freeze-up typically voids coverage.

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