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 homeowners in moderate climates seeking reliable heating and cooling without premium pricing. The 80% AFUE furnace and 16 SEER air conditioner balance budget constraints with respectable efficiency for a packaged unit.

Review

The Goodman 2 Ton 80% AFUE furnace and air conditioner system represents a practical middle ground in the packaged HVAC market. At 2,186 dollars, this upflow-configured unit occupies the sweet spot between bare-bones budget units and high-efficiency premium systems. Goodman maintains a strong reputation for reliability across residential and light commercial applications, and this particular SKU (LS38343850) replaces the older GSX16S241 model with modest spec improvements.

Performance specs reveal a system suited for moderate climates rather than extreme conditions. The 80,000 BTU heating output pairs with 23,600 BTU cooling capacity, and the 16 SEER air conditioner rating reflects current mid-tier efficiency standards. The two-stage burner provides better modulation than single-stage alternatives, while the variable speed blower motor maintains consistent airflow across 2,000 CFM maximum. At 71.5 dBA noise output, operation is noticeable but acceptable for most residential applications.

Pros & Cons

Pros

Energy Star certified with 16 SEER rating on the cooling side, beating base-model competitors
Two-stage burner provides better comfort and efficiency than single-stage alternatives
Variable speed blower motor adapts to demand, improving comfort and reducing energy waste
3 ton capacity with 80,000 BTU heating output handles most single-family homes adequately
Upflow/downflow configuration offers installation flexibility for different home layouts
10-year warranty with online registration provides solid peace-of-mind coverage

Cons

80% AFUE is dated compared to modern high-efficiency furnaces that reach 95%+ AFUE
Single-stage condenser limits cooling modulation in mild weather compared to two-stage units
Requires metal exhaust flue, which may need retrofitting in some installations
Noise level of 71.5 dBA is moderately loud during operation

Who Should Buy

Best For

Budget-conscious homeowners and landlords replacing older systems who live in regions without extreme winter temperatures or utility rebates favoring high-efficiency equipment. This unit makes sense for rental properties or starter homes where upfront cost matters more than long-term energy savings.

Consider Alternatives If

Anyone in a cold climate, energy cost-conscious buyers, or homeowners eligible for efficiency rebates should evaluate 95% AFUE furnaces instead, which save 1,000+ dollars annually in heating costs.

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

$2186

Buy at HVACDirect →

Installation

Installation requires standard HVAC contractor skills. The unit needs metal exhaust flue piping, refrigerant lines with 3/8 inch liquid and 3/4 inch suction connections, and electrical service of 120V single-phase 60Hz. Breaker sizing ranges from 12.4 to 20 amps. Upflow orientation makes this compatible with basement or ground-level placement in split configurations.

Warranty & Reliability

Goodman backs this system with a 10-year parts warranty when you complete online registration at purchase. This coverage is standard for the brand and competitive at this price point. Warranty includes the evaporator coil, which typically fails first in combined systems. Read the CAPF specifications sheet carefully, as some components may have shorter coverage periods.

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 Ton
Height	22"
Width	24.5"
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.
AHRI Certificate Number	204633307
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

How does the 80% AFUE rating compare to modern furnaces? +

80% AFUE is functional but dated. Modern units reach 95%+ AFUE, translating to 15 percent better fuel conversion. Over 15 years, this difference costs 3,000 to 4,500 dollars more in heating bills. Choose 80% AFUE only if upfront budget is your priority over lifetime operating costs.

Will this system work with my existing ductwork? +

Likely yes, but verify before purchasing. The 2,000 CFM maximum airflow works with properly sized residential ductwork. Undersized ducts reduce efficiency and comfort. An HVAC contractor should measure your existing system to confirm compatibility before installation.

What's the real-world cooling performance of the 16 SEER rating? +

16 SEER means the unit averages 16 BTU of cooling per watt consumed under standard conditions. Actual performance varies with outdoor temperature, humidity, and thermostat settings. In mild 75-degree weather, efficiency improves. In extreme 100-degree heat, it decreases noticeably.

How does this compare to Lennox or Carrier units at the same price? +

Goodman offers better value at this price point than premium brands. Lennox and Carrier equivalents typically cost 500 to 800 dollars more. Goodman trades brand prestige for affordability while maintaining solid reliability and standard warranty coverage.

Is the 10-year warranty worth the online registration effort? +

Yes. Registration takes five minutes and protects your 2,186 dollar investment. Without registration, warranty drops to five years. Keep your receipt and registration confirmation accessible for claims.

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