Independent Review · Updated June 2026

2.5 Ton 15 SEER 96% AFUE 40,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal

Energy Star 96% AFUE furnace with 16 SEER2 cooling at an unbeatable price point

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 15 SEER 96% AFUE 40,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal
Current Price
$115
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system excels for budget-conscious homeowners upgrading older equipment or contractors building cost-effective solutions for rental properties and light commercial applications. The 96% AFUE furnace and 16 SEER2 air conditioner deliver genuine efficiency gains without premium pricing.

Review

The Goodman GMEC96 represents a sweet spot in the budget HVAC market, combining respectable efficiency ratings with genuine affordability. At $115, this 3-ton system delivers both heating and cooling in a compact footprint suitable for homes with space constraints. The brand carries strong contractor recognition for straightforward troubleshooting and widely available parts, making it practical for service technicians managing service calls across multiple locations.

Heating performance reaches 40,000 BTU across two stages, while the air conditioner produces 29,000 BTU with a 16 SEER2 rating and R410A refrigerant. The 96% AFUE furnace rating translates to minimal waste heat escaping through the exhaust, reducing energy bills noticeably on heating-heavy climates. Multi-speed ECM blower technology allows modulating airflow between 0-800 CFM, matching conditioning load rather than running at constant speed, which improves comfort during shoulder seasons.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces gas consumption significantly compared to 80-90% older units
  • 16 SEER2 cooling rating exceeds the product title specification, delivering strong energy performance
  • Two-stage burner and multi-speed ECM blower motor optimize comfort and reduce cycling losses
  • Energy Star certified with lifetime heat exchanger warranty covering the most expensive failure point
  • PVC exhaust capability simplifies installation in homes without masonry chimneys

Cons

  • Single-stage compressor limits part-load efficiency during mild weather compared to variable-speed alternatives
  • 29,000 BTU cooling output falls short of the advertised 2.5 ton rating, creating capacity mismatches
  • 71.5 dBA noise level registers as audible indoor sound, noticeable during operation in quiet spaces

Who Should Buy

Best For

Homeowners in moderate climates replacing 15+ year old furnace-AC combinations who prioritize upfront savings over premium features. Contractors installing systems in rental properties and small commercial spaces where cost control and straightforward maintenance matter most.

Consider Alternatives If

Those seeking quiet operation, maximum cooling capacity in hot climates, or variable-speed compressor efficiency should explore higher-tier Goodman models or competing brands with scroll compressors in larger tonnages.

2.5 Ton 15 SEER 96% AFUE 40,000 BTU Goodman Gas Fu
$115
Buy at HVACDirect →

Installation

Horizontal configuration fits tight attic and crawlspace installations where vertical units won't fit. A-coil design pairs easily with existing ductwork. PVC plastic exhaust venting eliminates expensive masonry modifications and runs up to 50 feet, providing installation flexibility. Straightforward wiring uses standard 115V single-phase 60Hz power with 17.1-25 amp breaker sizing, matching typical residential electrical service panels without upgrades.

Warranty & Reliability

Coverage includes a lifetime transferable warranty on the heat exchanger, protecting against the most common furnace failure mode. Ten-year parts and unit replacement coverage requires online registration but delivers peace of mind for major components. This warranty package matches competitor offerings in Goodman's economy tier, providing solid protection without extended service contracts.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU29,000
Heating BTU40,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger, 10 Years Unit Replacement, and 10 Years Parts 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 Ton
Height34.5"
Width17.5"
Depth28.75"
ResourcesGMEC96 Installation Manual GMEC96 Specifications Sheet GMEC96 Owner's Manual GMEC96 Service Manual GMEC96 Replacement Parts Manual GMEC96 Brochure Goodman Furnace 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 Line7/8"
StyleA-Coil
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti-Speed - ECM
Maximum CFM800
Flue LocationRight
Burner StagesTwo
Fuel TypeGas
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Why does the spec sheet show 3 tons but the product title lists 2.5 tons? +
The unit carries a 3-ton tonnage rating, but cooling output measures only 29,000 BTU, equivalent to 2.4 tons. This discrepancy reflects manufacturer ratings versus actual capacity. Verify BTU requirements against load calculations before purchase to prevent undersizing.
Can this system fit in my attic with limited headroom? +
Yes, the horizontal configuration measures 34.5 inches tall, 17.5 inches wide, and 28.75 inches deep. Most attic spaces accommodate these dimensions. Verify your space before ordering and confirm airflow clearance around the unit for proper operation.
How much will this furnace reduce my heating bills compared to my 1995 unit? +
At 96% AFUE versus typical 80% older equipment, expect 15-20% gas savings during heating season. Actual savings depend on climate, thermostat usage, and insulation quality. Northern climates see higher dollar savings due to longer heating periods.
Should I choose this Goodman or a Carrier 25HNH65 at similar price points? +
Both offer solid value, but Carrier's variable-speed compressor provides quieter operation and part-load efficiency. Goodman excels in serviceability and parts availability. Choose based on whether you prioritize quietness or contractor accessibility in your region.
Does online registration activate the warranty automatically? +
Registration is required to unlock the full warranty terms. Without registration, coverage reverts to limited manufacturer protection. Complete registration immediately after installation to secure your 10-year parts and unit replacement benefits.

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