Independent Review · Updated June 2026

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

Budget-friendly 2.5-ton cooling with solid 80% heating efficiency and Energy Star certification

7.6
IndustrialRank Score
Efficiency
7.8
Reliability
7.5
Value
8.2
Installation
8.0
Warranty
7.8
2.5 Ton 15 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$2486
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This system makes sense for homeowners in moderate climates seeking an affordable entry point to efficient cooling and heating without premium features. It's a practical choice for homes under 2,000 square feet where 80% AFUE meets budget constraints and energy code requirements.

Review

Goodman's 2.5-ton combined gas furnace and air conditioning system occupies a practical middle ground in the residential HVAC market. At $2,486, it undercuts premium brands while delivering baseline efficiency standards. The upflow configuration suits most residential installations, and the A-coil evaporator design integrates cleanly into typical ductwork. This system targets homeowners who prioritize affordability and straightforward replacement rather than cutting-edge technology.

Performance metrics show modest but acceptable capability. The furnace delivers 80,000 BTU heating output with two-stage burner operation and 80% AFUE efficiency, meaning 80 cents of every heating dollar converts to usable warmth. Cooling capacity reaches 29,000 BTU (roughly 2.4 tons effective), with a SEER1 rating of 16 on the condenser unit. Variable-speed blower motor adjusts flow up to 2,000 CFM, adapting to seasonal demands better than fixed-speed competitors. The single-stage compressor operates at full power continuously, which simplifies design but sacrifices efficiency on mild days.

Pros & Cons

Pros

  • Energy Star certified with 80% AFUE furnace efficiency, meeting most jurisdictional energy codes without premium pricing
  • Variable speed blower motor maximizes comfort by adjusting CFM up to 2,000 continuously rather than cycling on-off
  • Two-stage burner allows the furnace to run at lower capacity during mild weather, reducing energy waste and noise
  • Scroll compressor design is proven reliable across thousands of residential installations with minimal failure rates
  • 10-year warranty with online registration provides reasonable protection for DIY-registered systems

Cons

  • Single-stage cooling means the compressor runs at full capacity even on mild days, wasting energy compared to two-stage models
  • SEER1 rating of 16 on the condenser is misleading since the listed 15 SEER applies to the complete system, not individual components
  • 80% AFUE is baseline efficiency, not high-efficiency, so heating costs will be noticeably higher than 90%+ AFUE systems
  • 71.5 dB noise level is moderately loud for outdoor operation, particularly noticeable during evening hours in quiet neighborhoods

Who Should Buy

Best For

Budget-conscious homeowners in areas with moderate cooling seasons (not Phoenix or Miami) who want to replace aging equipment without spending $4,000+. Ideal for DIYers comfortable with system registration and basic troubleshooting, or those with existing ductwork that fits the 2.5-ton capacity.

Consider Alternatives If

Anyone in high-heat climates needing efficient cooling, homes larger than 2,500 square feet, or buyers prioritizing whisper-quiet operation should explore two-stage or variable-capacity alternatives instead.

2.5 Ton 15 SEER 80% AFUE 80,000 BTU Goodman Gas Fu
$2486
Buy at HVACDirect →

Installation

Installation requires 120V single-phase 60Hz power with breaker capacity between 17.1 and 25 amps, standard in most homes. Metal exhaust flue is mandatory for safe gas venting. The condenser uses R410A refrigerant (or R22 in retrofit scenarios) with 3/8-inch liquid and 7/8-inch suction lines, both equipped with 3/4-inch insulation rated for 50-foot maximum line runs. Upflow/downflow configuration flexibility accommodates varied basement, closet, or attic mounting scenarios. Professional installation is strongly recommended despite upfront cost.

Warranty & Reliability

The 10-year warranty requires online registration after purchase, which is increasingly standard practice among manufacturers. Coverage includes parts and compressor defects but typically excludes refrigerant and labor costs. This warranty is solid for mid-tier equipment but trails some competitors offering 10-year parts-only coverage without registration hassles. Keep documentation organized for warranty claims.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU29,000
Heating BTU80,000
RefrigerantR410A or R22
Electrical120 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"
Width24.5"
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 Number204633307
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorVariable Speed
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 3.5-ton tonnage when the product title says 2.5 ton? +
This reflects a specification discrepancy from the supplier. The 2.5-ton rating is the accurate cooling capacity based on 29,000 BTU cooling output. The 3.5-ton figure may reference a larger condenser model or outdated data. Always prioritize the cooling BTU number (29,000) over conflicting tonnage claims when sizing.
Can I install this system myself if I'm handy but not HVAC-certified? +
Not recommended. Gas furnace installation involves refrigerant charging, pressure testing, electrical work, and gas line connections that pose safety and performance risks if done improperly. Improper installation can void the warranty. Hire a licensed contractor even if you handle simpler HVAC maintenance tasks yourself.
How much will heating and cooling cost annually with this system? +
Annual costs depend heavily on local utility rates, climate, and insulation quality. At $0.12 per kWh and 80% AFUE, heating 2,000 square feet through a cold winter costs approximately $800-$1,200. Single-stage cooling adds $300-$600 monthly during peak summer in hot climates. Your actual costs will vary significantly by region.
Is this better than a Rheem or Carrier unit at the same price point? +
Goodman and Rheem are owned by the same parent company and share similar compressor technology. Carrier units typically offer better noise control but cost more. At $2,486, Goodman represents solid value, though some regional contractors bundle better warranties with comparable units. Compare local installation pricing, not just equipment cost.
Does the 10-year warranty cover compressor failure if I forget to register online? +
Registration requirements vary by manufacturer and region. Contact Goodman directly before purchase to confirm whether non-registration voids compressor coverage. Many suppliers now waive registration requirements, but don't assume yours does without explicit confirmation from your seller.

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