Independent Review · Updated June 2026

2.5 Ton 14.5 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Budget-friendly 2.5-ton cooling with solid 80% AFUE heating for DIY-friendly installations

7.4
IndustrialRank Score
Efficiency
7.6
Reliability
7.5
Value
8.8
Installation
8.2
Warranty
7.0
2.5 Ton 14.5 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$89
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This system is ideal for budget-conscious homeowners and contractors handling replacement installations in moderate climates where premium efficiency isn't the priority. At $89, it delivers respectable cooling (14 SEER) and heating (80% AFUE) without the Energy Star premium, making it a practical choice for straightforward upflow applications.

Review

The Goodman 2.5-ton combination gas furnace and air conditioner system positions itself as an ultra-competitive entry-level solution. At $89, it undercuts comparable equipment by substantial margins, attracting contractors managing tight margins and homeowners avoiding premium brand markups. This Online Supply-distributed unit targets the replacement and retrofit market where baseline performance suffices and installation simplicity adds value. The upflow A-coil configuration aligns with standard residential applications.

Performance specs reveal a capable mid-range unit with 30,000 BTU cooling capacity delivering 14 SEER efficiency and 100,000 BTU heating at 80% AFUE. The high-efficiency multi-speed blower reaches 2000 CFM maximum airflow, enabling flexible ducting. Single-stage rotary compressor and two-stage gas burner provide adequate cycling without variable capacity sophistication. Electrical requirements stay modest at 120V single-phase with 17.1 to 25-amp breaker range, simplifying panel integration.

Pros & Cons

Pros

  • Exceptionally affordable at $89, roughly 60-70% below comparable branded systems
  • 14 SEER cooling efficiency is solid mid-range performance for the price point
  • High-efficiency multi-speed blower motor with 2000 CFM maximum airflow
  • Two-stage gas burner provides better temperature control than single-stage alternatives
  • A-coil design in upflow configuration suits most residential retrofit applications

Cons

  • 3.5-ton actual tonnage creates oversizing mismatch with advertised 2.5-ton rating, risking short-cycling
  • 80% AFUE is outdated, modern standards reach 95%+, meaning higher heating bills long-term
  • Single-stage compressor lacks variable capacity for quiet operation during mild conditions
  • Not Energy Star certified, eliminating potential utility rebates that could offset purchase price
  • 10-year warranty requires online registration and coverage is standard, not comprehensive

Who Should Buy

Best For

Budget-conscious homeowners replacing older systems in moderate climates, and contractors handling volume installations where price point matters more than premium efficiency ratings. This works best for properties without extreme seasonal demands.

Consider Alternatives If

Anyone in harsh climates, high-efficiency mandate areas, or seeking long-term operating cost savings should invest in 95%+ AFUE and 16+ SEER systems despite higher upfront costs.

2.5 Ton 14.5 SEER 80% AFUE 100,000 BTU Goodman Gas
$89
Buy at HVACDirect →

Installation

Installation complexity remains straightforward for experienced technicians. The upflow configuration suits attic or closet placement. Suction line requires 3/4-inch insulation with 50-foot maximum length, and 3/8-inch liquid line accommodates standard piping runs. R410A refrigerant handling follows current EPA protocols. Metal exhaust flue requirement demands proper venting through roof or exterior wall. Weight at 22 pounds presents minimal handling challenges.

Warranty & Reliability

Ten-year parts coverage applies with mandatory online registration, offering moderate protection compared to manufacturer-backed units. Registration requirement creates an administrative step some buyers overlook. Coverage excludes cosmetic damage, improper installation, and maintenance neglect. This warranty matches baseline industry standards but lacks extended labor provisions, meaning service calls beyond parts replacement remain customer expense.

Specifications

SKULS38343850
Brand/ManufacturerOnline Supply
Cooling BTU30,000
Heating BTU100,000
RefrigerantR410A
Electrical120 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)22.000000
FeatureSpec
Energy StarNo
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeRotary
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size25 amps
Min. Breaker Size17.1 amps
Tonnage3.5 Ton
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Installation Manual Goodman Specifications Goodman Parts Manual Goodman User Information Goodman Service Manual Goodman Technical Information Goodman 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.
ConfigurationUpflow/Horizontal
Liquid Line3/8"
Suction Line3/4"
StyleA-Coil
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorHigh Efficiency Multi-Speed
Maximum CFM2000
Burner StagesTwo
Fuel TypeGas
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Why does the spec sheet show 3.5-ton tonnage when the product is marketed as 2.5-ton? +
This is a genuine concern. The 3.5-ton rating likely reflects the compressor and condenser capacity, while 2.5-ton targets matched coil size. Oversizing risks short-cycling and efficiency loss. Verify cooling load calculations before installation to ensure proper tonnage matching.
Can I install this myself if I have basic HVAC knowledge? +
Upflow installation is relatively straightforward, but EPA certification requires licensed technicians for refrigerant handling. Ductwork, electrical, and venting you might manage, but refrigerant charging demands proper equipment and credentials to avoid voiding warranty.
How much will this cost to operate annually compared to a 95% AFUE unit? +
An 80% AFUE system wastes 20% of fuel energy versus 5% for 95% AFUE equipment. In cold climates, this creates $300-$600 annual heating cost difference. Payback depends on local gas rates and winter severity, but higher efficiency gains value in heating-dominated regions.
Is 14 SEER competitive with modern air conditioners? +
Fourteen SEER represents solid mid-range cooling efficiency but falls behind current 16-18 SEER standards. For mild and moderate climates, it provides acceptable comfort without premium pricing. Hot climates benefit from higher SEER ratings due to extended cooling seasons.
Does this system qualify for utility rebates or tax credits? +
No. Energy Star certification requirement disqualifies this unit from most federal tax credits and utility rebate programs. These incentives typically target 95%+ AFUE and 16+ SEER equipment, offsetting premium costs.

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