Independent Review · Updated June 2026

3 Ton 15.5 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Budget-friendly 3-ton system with solid 80% AFUE and Energy Star certification

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 15.5 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$2700
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system works best for homeowners upgrading from older equipment who want dependable performance without premium pricing. At $2700, you get solid baseline efficiency with two-stage heating and variable-speed blower technology that handles both upflow and horizontal installations.

Review

Goodman's 3-ton system represents the practical middle ground in residential HVAC. This upflow/downflow unit combines an 80,000 BTU furnace with matching 3-ton air conditioner, delivering balanced heating and cooling for homes in moderate climates. At $2700, it competes directly against mid-range builder equipment, making it attractive for contractors managing tight project budgets and homeowners prioritizing cost over premium features.

Performance data shows solid baseline efficiency across both functions. The furnace delivers 80% AFUE with two-stage burner control, while the air conditioner achieves SEER2 16 rating using R410A refrigerant and scroll compressor technology. Maximum airflow reaches 2000 CFM through the variable-speed blower, delivering proper air distribution. Energy Star certification confirms efficiency credibility, though the 80% AFUE sits below high-efficiency alternatives reaching 95%.

Pros & Cons

Pros

  • Two-stage burner with variable-speed blower reduces short-cycling and improves comfort consistency
  • 80% AFUE furnace efficiency exceeds baseline standards and qualifies for Energy Star
  • 3-ton cooling capacity paired with 80,000 BTU heating handles most residential climate zones
  • Flexible airflow direction, upflow or downflow configuration suits retrofit installations
  • 10-year warranty with online registration provides solid long-term protection

Cons

  • 80% AFUE is entry-level for furnaces, high-efficiency models reach 95%+ AFUE
  • Single-stage compressor lacks modulation for quieter operation or variable cooling
  • 73.5 dB noise level registers louder than many competitor units at same tonnage

Who Should Buy

Best For

Contractors installing budget systems for rental properties or first-time HVAC buyers replacing 15-20 year old equipment. This unit delivers reliable comfort at an attractive price point without sacrificing core performance metrics.

Consider Alternatives If

Homeowners in extreme climates needing high-efficiency heating should explore 95% AFUE alternatives, and those seeking whisper-quiet operation will want units rated below 71 dB.

3 Ton 15.5 SEER 80% AFUE 80,000 BTU Goodman Gas Fu
$2700
Buy at HVACDirect →

Installation

Installation complexity rates moderate. The unit requires 208/230V single-phase 60Hz power with breaker sizing between 18.7 and 30 amps. Metal exhaust flue is mandatory for furnace safety. A-coil configuration with 3/8 inch liquid line and 7/8 inch suction line (requiring 3/4 inch insulation) demands standard refrigerant handling. Upflow/downflow flexibility eases placement in various mechanical room layouts.

Warranty & Reliability

Ten-year coverage applies when you complete online registration immediately after purchase. This protects against compressor failure, coil defects, and parts defects. Registration is straightforward through Goodman's portal. Coverage excludes wear items and installation errors, standard across the industry. Ten years exceeds many budget-tier competitors.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU34,800
Heating BTU80,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73.5
Weight (in lbs)30.000000
FeatureSpec
AHRI Certificate Number204633302
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementMetal
Furnace Efficiency / AFUE80%
Blower MotorVariable Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
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.
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size30 amps
Min. Breaker Size18.7 amps
Tonnage3.5 Ton
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How does 80% AFUE compare to other furnaces? +
80% AFUE meets federal minimums and qualifies for Energy Star. Mid-range units hit 90-92% AFUE, while high-efficiency condensing furnaces reach 95-98% AFUE. Higher efficiency reduces heating bills 15-25% annually but costs $500-800 more upfront. This unit balances operating costs against purchase price for moderate climates.
Will this system fit my current ductwork? +
The 2000 CFM maximum airflow matches standard residential ductwork sizing. The upflow/horizontal configuration works with typical basements and crawl spaces. However, undersized ductwork reduces efficiency by 10-15%. Have a technician measure your return and supply ducts before installation to confirm compatibility.
Why is single-stage cooling a limitation? +
Single-stage compressors run full-capacity or off, cycling repeatedly on mild days. Two-stage systems modulate to 60-70% capacity during light loads, reducing energy use 20-25% and lowering noise by 3-5 dB. You'll notice more on/off cycling with this unit on spring and fall days.
How does SEER2 16 compare to competitor units at this price point? +
SEER2 16 represents solid performance for entry-level systems. Premium 3-ton units achieve SEER2 18-20 using variable-stage compressors and enhanced controls. Real-world cooling costs differ by 10-15% between this unit and premium alternatives, so consider your local electricity rates.
Does online registration matter for the warranty? +
Yes, you must register within 30 days to activate the 10-year warranty. Without registration, coverage defaults to 1-2 years. Register immediately after installation using your AHRI certificate number (204633302) and purchase documentation.

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