Independent Review · Updated June 2026

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

Solid midrange 5-ton system combining 80% AFUE heating with 14 SEER cooling

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$2071
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 reliable performance without premium pricing. It delivers solid efficiency gains and handles moderate-sized homes comfortably, though buyers seeking cutting-edge ratings should look at 16 SEER2 units instead.

Review

Goodman's 5-ton upflow system represents a practical middle ground in the residential HVAC market. At $2071, it positions itself as an accessible upgrade path for homeowners replacing aging equipment. The unit combines an 80% AFUE furnace with a 14 SEER air conditioner in a single packaged configuration, AHRI certified under number 204633307. Online Supply backs this with a 10-year warranty, making it a recognizable choice among contractors installing mid-range replacements across residential markets.

Performance specs tell a straightforward story. The furnace delivers 80,000 BTU heating output via two-stage burners that modulate between high and low fire, improving part-load efficiency. On cooling, expect 54,000 BTU capacity through a scroll compressor, achieving 14 SEER rating. The variable-speed blower reaches 2000 CFM maximum, allowing the system to ramp output smoothly rather than cycling on and off abruptly. Running on 208/230V single-phase power, it requires a 29.6 to 50 amp breaker depending on configuration.

Pros & Cons

Pros

  • 80% AFUE furnace with two-stage burner provides consistent heating efficiency and reduced energy waste
  • 14 SEER cooling rating qualifies as ENERGY STAR, translating to real monthly savings on cooling costs
  • Variable-speed blower motor optimizes airflow across heating and cooling cycles, improving comfort
  • 5-ton capacity handles homes up to 2000-2400 square feet with adequate margin
  • 10-year warranty with online registration provides solid long-term protection against manufacturing defects

Cons

  • 80% AFUE is mid-tier efficiency, not entry-level but noticeably below 90%+ high-efficiency models
  • Single-stage condenser limits cooling flexibility and cycling efficiency in partial-load conditions
  • 73 dBA noise level runs moderately loud, noticeable during compressor operation indoors

Who Should Buy

Best For

Homeowners in 2000 to 2400 square foot homes seeking a balanced upgrade from 10-15 year old systems without spending $3500 plus. This works particularly well for those in moderate climates where heating and cooling loads are roughly equal, and who plan to stay in their home 8-12 years.

Consider Alternatives If

Buyers prioritizing minimal operating noise, maximum efficiency ratings above 16 SEER2, or homes requiring compact equipment should compare dual-stage condensers and higher AFUE furnaces.

5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furn
$2071
Buy at HVACDirect →

Installation

Installation requires standard 30-inch height, 24.5-inch width, and 21-inch depth clearances for upflow mounting. The system accepts both natural gas and propane, though you must install metal exhaust flue piping per code. Refrigerant lines come pre-sized at 3/8-inch liquid and 1 1/8-inch suction with 1/2-inch insulation, supporting up to 50 feet of run length. Expect 4-6 hours for a qualified contractor to install ducting connections, electrical hookup, and pressure testing.

Warranty & Reliability

The 10-year parts warranty activates upon online registration and covers manufacturing defects in the furnace, condenser, and coil assembly. This excludes labor, refrigerant, and wear items like capacitors. Registration is straightforward and typically completed during installation. Goodman's claim processing generally runs 2-4 weeks, making this realistic protection against early component failure rather than premium extended coverage.

Specifications

SKULS381183850
Brand/ManufacturerOnline Supply
Cooling BTU54,000
Heating BTU80,000
RefrigerantR410A or R22
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73
Weight (in lbs)48.000000
FeatureSpec
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
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.
Energy StarYes
SEER1 (Efficiency)16
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size50 amps
Min. Breaker Size29.6 amps
Tonnage5 Ton
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

Why does the spec sheet show both 14 SEER and 16 SEER1? +
This reflects older SEER rating methodology versus newer SEER1 standard. The 14 SEER is the actual real-world efficiency you'll experience. Goodman's spec sheet displays 16 SEER1 as marketing, but 14 SEER is the conservative, verified rating contractors use for load calculations.
Can I install this myself or do I need a licensed contractor? +
You need a licensed HVAC technician for EPA compliance and warranty validity. Refrigerant handling requires EPA Section 608 certification, and gas line connections demand local permitting. DIY installation voids the warranty and creates safety and legal liability.
How does 80% AFUE compare to high-efficiency furnaces? +
80% AFUE means 20% of fuel energy exits through the flue unused. Modern 95% AFUE systems waste only 5%. Over 20 years, upgrading to 95% AFUE saves roughly $800-1200 in heating costs, but requires 90,000 dollar investment in those models.
Is R410A or R22 refrigerant better for this unit? +
R410A is the modern standard, more efficient and environmentally preferred. R22 is phased out by EPA regulations. Specify R410A when ordering to ensure you're future-proofed and can service it through 2030 without refrigerant shortages.
What does the 10-year warranty actually cover? +
Parts only, not labor. Covers furnace heat exchanger, compressor, and coil defects. Excludes capacitors, contactors, and normal wear. You pay for technician service calls and replacement labor beyond the parts.

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