Independent Review · Updated June 2026

2.5 Ton 16 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency dual-fuel system at an aggressive price point for budget-conscious contractors

7.1
IndustrialRank Score
Efficiency
8.5
Reliability
6.8
Value
8.2
Installation
7.5
Warranty
7.5
2.5 Ton 16 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$762
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system works best for contractors and homeowners prioritizing upfront savings on replacement jobs where existing ductwork is compatible. The 96% AFUE furnace and 16 SEER cooling unit deliver solid efficiency for the price, though the single-stage compressor and basic controls may disappoint those seeking premium performance.

Review

The 2.5 Ton Goodman gas furnace and air conditioner system positions itself as a volume player in the mid-market residential segment. At $762, this upflow-configured unit undercuts most competitor pricing while maintaining Energy Star certification. Sold under the Online Supply SKU LS38783850, it combines a 100,000 BTU heating stage with 29,000 BTU cooling capacity. The system targets replacement jobs and new construction where contractors prioritize quick installation and homeowner budgets limit spending.

Performance specs reflect a competent, if unremarkable, design. The furnace delivers 96% AFUE efficiency through two-stage burner technology, burning natural gas or propane. The air conditioner achieves 16 SEER1 rating using a scroll compressor and R410A or R22 refrigerant, supported by a variable-speed ECM blower reaching 2000 CFM. Single-stage cooling means the compressor runs full-capacity or off, lacking the modulation efficiency gains found in two-stage models. Electrical requirements stay modest at 115V single-phase with 17.1 to 25-amp breaker sizing.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency with two-stage burner reduces heating costs compared to standard 80-90% units
  • 16 SEER cooling rating and Energy Star certification deliver competitive efficiency for residential applications
  • Variable-speed ECM blower motor with 2000 CFM maximum capacity improves comfort and reduces runtime noise versus fixed-speed alternatives
  • Dual-fuel capability supports both natural gas and propane for flexible installation options
  • Aggressive $762 price point makes it accessible for budget-conscious replacements and new construction

Cons

  • Single-stage compressor cannot modulate capacity, cycling on and off rather than ramping output, reducing efficiency during partial-load conditions
  • 71.5 dB noise level is audible in quiet spaces, noticeably higher than variable-capacity models from premium manufacturers
  • Spec sheet discrepancy lists both 2.5-ton and 3.5-ton tonnage, creating uncertainty around actual cooling capacity for sizing verification

Who Should Buy

Best For

Contractors installing replacement systems in homes with existing compatible ductwork and homeowners in moderate climates seeking straightforward efficiency gains without paying for variable-capacity technology. This system makes financial sense for 15 to 20-year equipment lifecycles where simplicity and upfront savings matter more than premium comfort features.

Consider Alternatives If

Homeowners in extreme climates requiring consistent performance, those sensitive to equipment noise, or anyone needing the efficiency gains from two-stage compressor modulation should explore variable-capacity competitors from Carrier or Lennox instead.

2.5 Ton 16 SEER 96% AFUE 100,000 BTU Goodman Gas F
$762
Buy at HVACDirect →

Installation

Installation complexity remains manageable for experienced contractors. The upflow/downflow configuration accommodates existing ductwork without major repositioning. Plastic PVC exhaust flue handling simplifies venting setup compared to metal chimney requirements. Standard 3/8-inch liquid line and 7/8-inch suction line sizes accept off-the-shelf fittings. The 50-foot suction line with 3/4-inch insulation thickness handles most residential runs. Pad mounting and refrigerant charging follow Goodman's documented CAPF installation procedures.

Warranty & Reliability

Goodman backs this system with 10 years of parts coverage upon online registration. This standard coverage matches most mid-tier manufacturers but trails premium brands offering 10-year compressor plus extended protection. Registration is mandatory, not automatic, so homeowners must complete paperwork promptly. The warranty covers defective components but excludes installation labor, refrigerant top-ups, and normal maintenance.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU29,000
Heating BTU100,000
RefrigerantR410A or R22
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)71.5
Weight (in lbs)30.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size25 amps
Min. Breaker Size17.1 amps
Tonnage3.5 Ton
Height30"
Width21"
Depth21"
ResourcesCAPF Installation Manual CAPF 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.
AHRI Certificate Number7368836
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Why does the spec sheet list both 2.5-ton and 3.5-ton capacities? +
This appears to be a documentation error from Online Supply. The 29,000 BTU cooling capacity aligns with a 2.4-ton unit, not 3.5 tons. Verify the actual tonnage with your distributor before ordering to ensure proper system sizing for your home's load requirements.
Can I install this system if my existing ducts are sized for a different tonnage? +
Ductwork sizing mismatches cause airflow problems and efficiency losses. Have an HVAC contractor verify your duct capacity matches this unit's 2000 CFM maximum before installation. Undersized ducts reduce cooling performance and increase noise, while oversized ducts waste energy.
How does the 16 SEER rating compare to other systems in this price range? +
16 SEER1 is competitive for budget units but lags behind 18-20 SEER two-stage models costing $300-500 more. The single-stage compressor cannot modulate output, so real-world efficiency in partial-load conditions falls below rated performance compared to variable-capacity designs.
Should I choose this Goodman or a higher-SEER Carrier unit from the same distributor? +
The Goodman saves upfront but costs more to operate over 15-20 years. Calculate the monthly energy savings from higher SEER ratings versus your $500-1000 price premium. In mild climates, payback extends beyond equipment life, making the Goodman sensible.
What happens if my system fails after the 10-year warranty expires? +
You bear full replacement costs. Extended warranty options at purchase may offer peace of mind for homeowners planning to stay in their homes beyond decade-long coverage periods. Check with Online Supply about add-on protection plans available at sale time.

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