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

// Bottom Line

This Goodman system works best for budget-conscious homeowners in moderate climates who want reliable cooling without premium pricing. The 80% AFUE furnace meets minimum efficiency standards, while the 16 SEER condenser delivers respectable cooling performance for a 2-ton setup.

Review

Goodman's 2-ton system represents a practical middle ground in the budget HVAC market. This upflow configuration pairs an 80,000 BTU furnace with a matching air conditioning condenser, making it suitable for homes averaging 1,500 to 2,000 square feet. At $2,053, it undercuts many competing systems while maintaining respectable efficiency ratings and Energy Star certification. The product targets homeowners who've delayed replacements and want reliable performance without stretching their budgets.

Performance specs reveal a balanced, if modest, efficiency profile. The condenser delivers 16 SEER cooling with a scroll compressor handling single-stage operation at 23,600 cooling BTU output. On the heating side, the 80% AFUE rating meets federal minimums but doesn't compete with condensing models at 90% or higher. The two-stage burner and variable-speed blower motor rated for 2,000 CFM maximum airflow provide operational flexibility that justifies the modest pricing. Real-world operation should see consistent comfort without exceptional energy savings.

Pros & Cons

Pros

16 SEER condenser provides strong cooling efficiency and Energy Star certification
Two-stage burner and variable-speed blower motor improve comfort and reduce cycling
80,000 BTU heating capacity handles most residential heating demands effectively
Scroll compressor design is proven reliable with minimal failure rates
Priced under $2,100, making it accessible for budget-constrained replacements
10-year warranty with online registration provides reasonable peace of mind

Cons

80% AFUE is baseline efficiency, missing out on 90%+ models that reduce heating costs
Single-stage cooling compressor means less precise temperature control than two-stage units
Spec sheet shows conflicting tonnage ratings (2-ton title versus 3.5-ton listing), creating confusion

Who Should Buy

Best For

Homeowners replacing older furnace-AC combos who prioritize affordability over premium efficiency. This system works well in mild to moderate climates where heating demands stay moderate and cooling is the secondary concern.

Consider Alternatives If

Anyone in cold climates needing maximum heating efficiency or those prioritizing lowest operating costs should consider 90%+ AFUE models or high-efficiency heat pumps instead.

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

$2053

Buy at HVACDirect →

Installation

Installation requires standard line sets (3/8-inch liquid, 3/4-inch suction with 3/4-inch insulation rated for 50 feet), metal flue venting, and 120V single-phase 60Hz electrical service. The 26-inch height fits most upflow installations. Technicians need AHRI certificate 204633302 verification for proper system matching and warranty protection. Electrical needs fall within 12.4 to 20-amp breaker range.

Warranty & Reliability

Ten-year parts coverage applies with online registration, covering compressor, heat exchanger, and coil components. This matches Goodman's typical warranty structure but requires registration to activate full protection. No labor coverage included, so homeowners pay technician time for repairs beyond the warranty period.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	23,600
Heating BTU	80,000
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	26"
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.
AHRI Certificate Number	204633302
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

Why does the spec sheet list both 2-ton and 3.5-ton ratings? +

The discrepancy appears to be a data entry error in the product listing. The title correctly identifies this as a 2-ton system with 23,600 cooling BTU output. The 3.5-ton tonnage figure is inconsistent and should be disregarded. Verify actual capacity with the AHRI certificate number 204633302 before purchase.

Is this system compatible with my existing R22 refrigerant lines? +

The specs indicate R410A or R22 compatibility, but upgrading from R22 to R410A typically requires new line sets and fittings due to pressure differences. Most modern installations use R410A exclusively. Consult a licensed technician to assess your existing refrigerant lines before committing to this unit.

How much will heating costs run compared to a 90% AFUE furnace? +

At 80% AFUE, roughly 20% of fuel input is lost through exhaust. A 90% AFUE model recovers that heat, reducing heating costs about 10% to 12% annually. Over 15 years, this 2-3% yearly savings on total heating bills may exceed the $500 to $800 price premium of high-efficiency models.

What's the real-world difference between 16 SEER and 18+ SEER models? +

SEER measures cooling efficiency under standard conditions. Moving from 16 to 18 SEER typically reduces cooling costs by 10% to 12% but adds $600 to $1,200 to system cost. In moderate climates with moderate cooling demand, the 16 SEER unit pays back faster despite slightly higher seasonal costs.

Does the 10-year warranty cover outdoor condenser failure? +

Yes, the compressor and coil components inside the condenser carry 10-year coverage with registration. Labor costs for repairs are not included, so budget $100 to $300 for technician service calls regardless of parts warranty.

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