Independent Review · Updated June 2026

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

Budget-friendly 5-ton combo with solid 80% AFUE and surprising 16 SEER cooling efficiency.

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
$2053
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system makes sense for budget-conscious homeowners replacing older equipment in moderate climates where 80% AFUE meets local codes. The $2,053 price point is aggressive for a matched 5-ton unit with ENERGY STAR certification and 16 SEER cooling, though heating efficiency lags modern 95% AFUE standards.

Review

The Goodman 5-ton matched system targets cost-conscious homeowners and HVAC contractors working within tight budgets. At $2,053 for a complete furnace and condenser package, this combination undercuts premium brands significantly while maintaining ENERGY STAR certification. Online Supply positions this as an entry-level option for replacement projects, particularly in regions where heating demand doesn't justify premium efficiency ratings.

Performance specs reveal interesting trade-offs. The furnace delivers 80,000 BTU heating output at 80% AFUE, while the condenser provides 54,000 BTU cooling at 16 SEER with R410A refrigerant. Two-stage burner technology improves comfort by reducing furnace cycling, and the variable-speed 2,000 CFM blower adapts to ductwork conditions. However, the single-stage condenser cannot modulate capacity, and 73 dB noise output exceeds quieter competitors.

Pros & Cons

Pros

  • 16 SEER cooling efficiency matches many mid-tier systems, delivering 54,000 BTU cooling capacity for proper 5-ton sizing
  • Two-stage burner reduces short-cycling and improves part-load heating comfort during mild weather operation
  • Variable-speed blower motor optimizes air distribution across 2,000 CFM maximum, reducing ductwork strain
  • ENERGY STAR certified with 10-year warranty when registered, protecting your $2,053 investment
  • Upflow/horizontal configuration works with standard A-coil design in most residential installations

Cons

  • 80% AFUE heating efficiency is outdated compared to 95% AFUE systems now standard in northern climates
  • 73 dB noise level runs louder than premium models, noticeable in quiet residential settings
  • Single-stage condenser cannot modulate cooling, cycling on/off rather than varying capacity

Who Should Buy

Best For

Homeowners in mild climates, Florida through mid-South regions, where heating season is short and 80% AFUE meets code requirements. Also suitable for budget-conscious replacements where current ductwork and electrical (208/230V single phase) infrastructure already exists.

Consider Alternatives If

Northern climate residents should seek 95% AFUE units; buyers wanting quiet operation should compare units under 70 dB; anyone needing variable-capacity cooling should look for two-stage condensers.

5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furn
$2053
Buy at HVACDirect →

Installation

This upflow A-coil design fits standard side-by-side installations with minimal modification. Electrical requirements demand 208/230V single-phase 60 Hz service with 29.6 to 50 amp breaker sizing, standard in most residential panels. Metal exhaust flue is mandatory. Refrigerant lines use 3/8 inch liquid and 1 1/8 inch suction with 1/2 inch insulation, typical of 5-ton setups. Professional installation is strongly recommended.

Warranty & Reliability

Goodman provides 10 years parts and labor coverage when you register the system online, a solid safety net for this price tier. This protects against compressor failure and major component defects. Warranty registration is straightforward but required, so factor that into your purchase timeline. Coverage details appear in included warranty documentation.

Specifications

SKULS381183850
Brand/ManufacturerOnline Supply
Cooling BTU54,000
Heating BTU80,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73
Weight (in lbs)48.000000
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
Height38.25"
Width35.5"
Depth35.5"
ResourcesGoodman Brochure Goodman Specifications Goodman Installation Manual Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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.
Liquid Line3/8"
Suction Line1 1/8"
Tonnage5 Ton
StyleA-Coil
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
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

How does 80% AFUE compare to newer furnaces? +
80% AFUE means 80 cents of every heating dollar actually heats your home; 20% escapes through the flue. Modern systems reach 95% AFUE. Over 15 years in a cold climate, upgrading to 95% AFUE saves $2,000-$4,000 in fuel costs, offsetting higher upfront expense in northern regions.
Will this system work with my existing 200-amp electrical panel? +
Yes. The furnace requires 208/230V single-phase power with breaker sizing between 29.6 and 50 amps. This is standard residential service. Your electrician should verify your panel has available capacity and proper voltage before installation begins.
Does 16 SEER cooling performance meet modern standards? +
16 SEER is competitive for budget models but sits below premium 18-20 SEER units. It delivers solid cooling at 54,000 BTU for 5-ton capacity. The single-stage condenser cycles on/off rather than modulating, so part-load efficiency drops in moderate weather compared to two-stage designs.
How does this Goodman compare to Carrier or Lennox entry-level systems? +
Goodman undercuts Carrier and Lennox by $800-$1,500 on matched units. The trade-off is lower heating efficiency, noisier operation (73 dB), and single-stage cooling. Carrier and Lennox offer better part-load comfort, quieter blowers, and stronger brand support at higher cost.
What happens if components fail after year one? +
The 10-year registered warranty covers parts and labor for manufacturing defects, including compressor failure. Submit your registration documentation immediately after installation. Goodman's network of authorized dealers handles claims, though response times vary by region.

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