Independent Review · Updated June 2026

2.5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Budget-friendly 2.5 ton combo system with solid 14 SEER efficiency and dual-stage heating

7.8
IndustrialRank Score
Efficiency
8.2
Reliability
7.5
Value
8.5
Installation
8.0
Warranty
8.0
2.5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$736
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system is ideal for budget-conscious homeowners replacing aging equipment in moderate climates where 14 SEER performance meets their needs without premium pricing. The $736 price point makes it accessible for DIY-capable buyers or contractors seeking solid baseline equipment without ENERGY STAR certification.

Review

Goodman's 2.5 ton combo system represents the entry-level sweet spot for budget-conscious buyers needing both heating and cooling. At $736, this unit bundles a 30,000 BTU air conditioner with a 100,000 BTU furnace in one compact upflow package. The 14 SEER rating and 80% AFUE efficiency are respectable baseline numbers for standard residential applications. Online Supply positions this as a no-frills replacement option for contractors working with cost-sensitive clients or homeowners willing to trade cutting-edge efficiency for immediate affordability.

The system delivers real-world performance through proven Goodman components, including a rotary compressor, variable-speed blower motor delivering up to 2,000 CFM, and dual-stage burner control. The 14 SEER rating means summer efficiency is solid without premium pricing, while the 80% AFUE furnace with two heating stages provides seasonal flexibility. The R410A refrigerant meets current environmental standards. At 72 decibels during operation, noise levels are typical for this class, though perceptible in quiet homes. Total system weight of 22 pounds and compact dimensions (34.5 inches by 21 inches by 28.75 inches) simplify installation logistics.

Pros & Cons

Pros

  • Exceptional value at $736 for a complete 2.5 ton combo system with air conditioner and furnace
  • 14 SEER cooling efficiency is respectable for standard applications, delivering 30,000 BTU cooling capacity
  • Dual-stage burner and variable-speed blower motor provide heating flexibility and comfort control
  • 80% AFUE furnace efficiency adequate for non-condensing applications with 100,000 BTU output
  • Upflow A-coil configuration fits standard attic or closet installations with metal flue compatibility

Cons

  • No ENERGY STAR certification, meaning higher operating costs versus 16+ SEER systems
  • Single-stage compressor limits part-load efficiency during mild weather cooling cycles
  • 80% AFUE is baseline efficiency, not condensing type, so heating costs run higher than 95%+ options
  • 72 dB noise level is perceptible during operation, particularly in quieter residential spaces

Who Should Buy

Best For

DIY homeowners and contractors looking for straightforward, affordable replacement systems in warm or moderate climates where premium efficiency doesn't justify the cost premium. This works well for rental properties, secondary homes, or climate zones where cooling dominates annual energy use.

Consider Alternatives If

Buyers in cold climates needing maximum heating efficiency, environmentally conscious homeowners prioritizing ENERGY STAR certification, or those seeking whisper-quiet operation should explore 16+ SEER two-stage options despite higher upfront cost.

2.5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas F
$736
Buy at HVACDirect →

Installation

Installation requires standard HVAC connections with 3/8-inch liquid lines and 3/4-inch suction lines, both common residential sizes. The 120V, 1-phase 60Hz electrical setup demands a 17.1 to 25-amp breaker, fitting typical home panels. Metal exhaust flue requirement is non-negotiable. Comprehensive Goodman installation manuals and service documentation support contractor setup, reducing learning curve for experienced technicians familiar with standard refrigerant and gas piping.

Warranty & Reliability

The 10-year parts warranty requires online registration with Goodman, providing solid coverage for defects. This warranty extends beyond budget-tier competitors but trails premium systems offering 10-year compressor coverage or extended options. Registration is straightforward and protects against early component failure, offering peace of mind without ongoing service contracts.

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 Instructions Goodman Parts Manual Goodman Service Manual Goodman Technical Information Goodman User 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 MotorVariable Speed
Maximum CFM2000
Burner StagesTwo
Fuel TypePropane, Natural Gas
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How does 14 SEER compare to newer systems, and will I see higher electric bills? +
14 SEER is adequate but not premium. Modern 16+ SEER systems use 15 to 25 percent less cooling energy annually. In a warm climate, upgrading to 16 SEER recovers roughly $300 to $500 yearly in electricity, justifying higher initial cost over 5 to 10 years for homeowners staying long-term.
Can I install this system myself, or do I need a licensed technician? +
Local codes typically require licensed refrigerant handling and gas line certification, even for experienced DIYers. While the mechanical installation is straightforward, EPA regulations mandate professional certification for R410A work. Budget $500 to $1,200 for professional installation beyond the $736 equipment cost.
Is the 80% AFUE furnace efficient enough for heating costs in cold climates? +
No. 80% AFUE is baseline, not condensing. In northern climates, 95%+ AFUE condensing furnaces cut heating fuel consumption by 20 to 30 percent. If your winters are severe, this system underperforms versus higher-efficiency options, costing $200 to $400 extra annually.
Why is this system significantly cheaper than brand-name alternatives at big-box stores? +
Online Supply sells direct without middleman retail markup, passing savings to buyers. Quality is genuine Goodman components, not a knockoff. The tradeoff is purchasing direct without in-store support or easy returns, so verify compatibility before ordering.
If the system fails, what does the 10-year warranty actually cover? +
The warranty covers manufacturing defects in parts with proof of registration. It does not cover installation errors, refrigerant leaks from improper service, or damage from environmental factors. Labor costs for repairs fall on the homeowner unless separately contracted.

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