2 Ton 15 SEER 96% AFUE 30,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman combo system works best for homeowners replacing older GSX16S241 units or contractors installing standard upflow configurations in tight spaces. The 96% AFUE and 16 SEER2 rating deliver strong energy savings, though the 3-ton cooling capacity exceeds the 2-ton heating output listed in the title.

Review

Goodman's GSX16S241 replacement unit pairs a high-efficiency gas furnace with a solid-performing air conditioner in a space-conscious upflow configuration. This combo system targets the midmarket segment where contractors need reliable equipment meeting modern energy codes without premium pricing. The Energy Star certification and strong AFUE rating reflect current efficiency standards, positioning it as a practical choice for homeowners in moderate climates seeking better utility bill performance.

The furnace delivers 30,000 BTU heating output at 96% AFUE efficiency, translating to minimal fuel waste during operation. The air conditioner side generates 23,600 BTU cooling with a 16 SEER2 rating, providing solid seasonal performance for cooling-dominant periods. The two-stage burner and multi-speed ECM blower motor allow responsive output modulation, improving comfort while reducing short cycling. Single-stage compressor operation means it runs full capacity until thermostat demand drops, a practical trade-off versus variable-capacity systems.

Pros & Cons

Pros

96% AFUE furnace efficiency minimizes heating costs in moderate climates
16 SEER2 air conditioner rating (Energy Star certified) provides excellent cooling efficiency
Multi-speed ECM blower motor with 1,200 CFM maximum adapts to varying load conditions
Two-stage burner allows modulating heat output for improved comfort and efficiency
PVC flue compatibility simplifies venting in newer construction or retrofit applications
10-year warranty with online registration provides solid coverage protection

Cons

Specification mismatch: title claims 2 tons cooling but unit specs show 3 tons, creating confusion
Single-stage compressor cannot modulate cooling capacity for variable demand
23,600 BTU cooling output actually represents high capacity for stated tonnage rating
No pricing listed makes budget planning impossible for contractors and homeowners

Who Should Buy

Best For

Homeowners upgrading from older Goodman GSX16S241 systems who want direct replacement compatibility with minimal ductwork changes. Contractors installing standard upflow systems in homes where space constraints require compact footprints, particularly in attic or closet installations.

Consider Alternatives If

Anyone needing variable-capacity cooling should look at two-stage compressor models instead, as this unit's single-stage design cycles on and off rather than modulating output.

2 Ton 15 SEER 96% AFUE 30,000 BTU Goodman Gas Furn

Buy at HVACDirect →

Installation

Upflow or downflow mounting flexibility accommodates various installation scenarios, from attic to basement placements. The right-side flue location with PVC venting simplifies new construction or retrofit work. Standard 3/8-inch liquid and 3/4-inch suction line connections interface with existing copper runs. Electrical requirements are minimal: 115V single-phase 60Hz with 12.4 to 20-amp breaker sizing fits standard residential panels without dedicated upgrades.

Warranty & Reliability

The 10-year parts and labor warranty activates upon online registration, providing solid coverage for manufacturing defects and component failures. This warranty duration is competitive for mid-tier equipment and covers both furnace and condenser. Registration is required, so new owners must complete paperwork promptly to activate coverage protection.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	23,600
Heating BTU	30,000
Refrigerant	R410A or R22
Electrical	115 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 Ton
Height	26"
Width	17.5"
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	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Multi-Speed - ECM
Maximum CFM	1200
Configuration	Upflow / Downflow
Flue Location	Right
Burner Stages	Two
Fuel Type	Gas
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Does this unit actually provide 2 tons or 3 tons of cooling capacity? +

The product title states 2 tons, but specifications clearly indicate 3-ton tonnage with 23,600 BTU cooling output. This discrepancy suggests a labeling error. Verify actual tonnage against the GSX16S241 replacement unit before purchasing to ensure compatibility with existing ductwork and heating output balance.

Can I install this in my basement with the flue running upward? +

Yes. The unit supports both upflow and downflow configurations with right-side flue location. PVC plastic venting allows flexible routing through walls or ceilings. Ensure proper slope and condensate drainage for PVC applications, as horizontal runs can trap moisture and reduce efficiency.

How does 16 SEER2 compare to older air conditioner ratings I might see? +

16 SEER2 equals approximately 19 SEER under old testing standards, putting this unit in the high-efficiency category. It meets Energy Star requirements and delivers measurable cooling cost savings compared to 13-14 SEER equipment from 2010-2015 era systems you might be replacing.

Should I upgrade to a variable-capacity unit instead of this single-stage system? +

Single-stage works well for consistent climates with predictable cooling loads. Variable-capacity systems cost more but provide better part-load efficiency and quieter operation in mild weather. Evaluate your local weather patterns and comfort priorities before deciding.

What does the 10-year warranty actually cover? +

Standard manufacturer coverage includes parts failures and defects in workmanship. Labor coverage depends on your installer and distributor policies. Registration is mandatory. Review the warranty documents provided with equipment for specific exclusions.

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