Independent Review · Updated June 2026

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

Budget-friendly 2-ton Goodman system with solid 15 SEER and 80% AFUE efficiency

7.8
IndustrialRank Score
Efficiency
7.5
Reliability
8.0
Value
8.5
Installation
8.2
Warranty
7.8
2 Ton 15 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$464
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This $464 system makes sense for budget-conscious homeowners upgrading older equipment or contractors looking for an economical baseline unit. Best for climates with moderate cooling demands and natural gas or propane availability.

Review

This Goodman 2-ton packaged system represents the entry-level sweet spot in the residential HVAC market. At $464 for a furnace and air conditioning coil combo, it delivers honest mid-range performance without premium pricing. Online Supply positions this as the accessible choice for homeowners replacing aging equipment and contractors managing job costs. The upflow configuration works well in basements and utility closets, and the compact 21 by 21 by 22 inch dimensions fit tight installations.

Performance specs tell a practical story. The 100,000 BTU furnace with 80% AFUE will heat a small home adequately, while the 23,600 BTU cooling capacity at 15 SEER handles 2-ton loads in moderate climates. Variable speed blower technology improves on budget models by adjusting CFM up to 2000 for better temperature consistency. Two-stage burner operation reduces heating cycles, improving comfort versus single-stage units. The R410A scroll compressor is proven durable technology, though not cutting-edge.

Pros & Cons

Pros

  • Exceptional price point at $464 for a complete 2-ton split system with both furnace and coil
  • Variable speed blower motor delivers better comfort than single-speed alternatives and improves efficiency
  • Two-stage burner on the furnace provides modulated heating, reducing short-cycling and fuel waste
  • 15 SEER rating qualifies as Energy Star, meeting current minimum efficiency standards in most regions
  • 10-year warranty with online registration provides solid coverage for the price tier

Cons

  • 80% AFUE furnace is baseline efficiency, meaning 20% of heating energy is lost up the flue compared to 95%+ high-efficiency models
  • 15 SEER cooling efficiency lags behind modern 18-20 SEER systems that could cut AC costs 15-25% over time
  • Single-stage condenser cycles on and off rather than modulating, increasing compressor wear in variable load conditions

Who Should Buy

Best For

Homeowners replacing 10-15 year old systems who prioritize upfront savings over long-term operating costs, and HVAC contractors stocking affordable equipment for cost-sensitive residential jobs or rental properties.

Consider Alternatives If

Energy-conscious buyers in hot climates, anyone with a payback horizon over 10 years, or those who cannot accommodate the 22-inch cube footprint in confined mechanical spaces.

2 Ton 15 SEER 80% AFUE 100,000 BTU Goodman Gas Fur
$464
Buy at HVACDirect →

Installation

Installation demands standard skills and materials. The unit requires 208-230V single-phase 60Hz power with 12.4 to 20-amp breaker sizing, typical for most homes. Refrigerant lines need 3/8-inch liquid and 3/4-inch suction copper with 3/4-inch insulation thickness up to 50 feet maximum. Metal flue exhaust venting is mandatory. DIY installation is not recommended; professional HVAC technicians should handle connection and system commissioning.

Warranty & Reliability

The 10-year parts warranty with online registration is industry standard for this price tier and provides meaningful protection. Coverage includes the furnace, coil, and compressor for a decade. However, this is shorter than premium Goodman models with 12-year coverage. Registration is required to activate the full term, so save documentation after installation.

Specifications

SKULS38343850
Brand/ManufacturerOnline Supply
Cooling BTU23,600
Heating BTU100,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)71.5
Weight (in lbs)22.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorVariable Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
Height22"
Width21"
Depth21"
ResourcesCAPT Installation Manual CAPT Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 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.
ReplacesGSX16S241
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size20 amps
Min. Breaker Size12.4 amps
Tonnage2.5 Ton
Liquid Line3/8"
Suction Line3/4"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How does 15 SEER compare to newer systems? +
15 SEER is current baseline efficiency meeting Energy Star standards. Modern systems range 16-22 SEER. Higher ratings cost 20-40% more upfront but reduce cooling electricity usage 10-25%. For moderate climates, 15 SEER provides acceptable cost-versus-efficiency balance.
Can I install this myself? +
Professional installation is strongly recommended. EPA regulations require licensed technicians for refrigerant handling. Improper connection voids warranty and risks system failure or safety hazards. Budget $1,500-2,500 for professional installation labor and startup diagnostics.
What does 80% AFUE mean for my heating bills? +
80% AFUE means 80% of fuel energy heats your home, while 20% exits the flue unused. Upgrading to 95%+ AFUE saves 15-20% on heating costs annually. For cold climates or older homes, higher efficiency justifies higher equipment cost through fuel savings.
Is this better than older systems I might replace? +
Likely yes. Systems over 12 years old typically run 10-15 SEER cooling and 70-75% AFUE. This unit's 15 SEER and 80% AFUE represent 20-30% efficiency improvements, reducing monthly utility bills $30-60 depending on climate and usage patterns.
Does online registration really matter for warranty? +
Yes, registration activates the full 10-year coverage. Without it, limited coverage applies. Register within 30 days of installation using the serial number on the equipment. Keep proof of purchase and installation documentation for warranty claims.

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