Independent Review · Updated June 2026

3 Ton 17 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal

High-efficiency modulating furnace with two-stage cooling at an aggressive price point

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 17 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal
Current Price
$89
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This 3-ton system excels for homeowners in moderate climates who want solid efficiency without premium pricing. The 97% AFUE furnace and 18 SEER2 condenser make it ideal for natural gas or propane homes seeking Energy Star performance, though the $89 price tag likely reflects a condenser-only unit rather than a complete system.

Review

This Goodman gas furnace and air conditioner system targets the practical contractor market with solid mid-range efficiency and straightforward horizontal installation. The combination of a 97% AFUE furnace paired with an 18 SEER2 condenser sits squarely in the Energy Star category without reaching premium pricing. However, significant spec inconsistencies in the product listing require clarification before purchase. The unit handles 80,000 BTU heating and 35,000 BTU cooling capacity with modulating burner stages and two-stage condenser technology.

Performance data shows this system prioritizes even heating and cooling over raw capacity. The variable-speed ECM blower motor runs at up to 1600 CFM, allowing the furnace to cycle modulation efficiently rather than constantly running full blast. Scroll compressor architecture in the condenser provides reliability, while the two-stage approach reduces runtime during partial-load conditions. R410A refrigerant compatibility meets current standards, and PVC exhaust flue requirements simplify venting in horizontal applications.

Pros & Cons

Pros

  • 97% AFUE furnace efficiency with modulating burner stages for precise heating control and lower gas bills
  • 18 SEER2 rated condenser on two-stage scroll compressor delivers strong cooling efficiency
  • Variable-speed ECM blower motor with 1600 CFM maximum output minimizes runtime and energy waste
  • Energy Star certified with 10-year warranty (with online registration)
  • Horizontal configuration with A-coil design fits attic, crawlspace, and basement installations

Cons

  • Product listing shows significant inconsistencies: title claims 17 SEER but specs list 18 SEER2, and claims 3-ton capacity but spec sheet shows 5-ton unit
  • Limited support information, though AHRI Certificate 7424266 provides verification of matched system performance
  • Requires 115V single-phase power with 21.3 to 35-amp breaker, limiting some electrical configurations

Who Should Buy

Best For

Contractors and homeowners replacing existing natural gas or propane furnaces in moderate climate zones where moderate cooling demands exist. This works best in homes with good ductwork and adequate space for a horizontal-mounted coil unit.

Consider Alternatives If

Anyone in extreme heat climates needing maximum cooling capacity should look at higher-tonnage units, and buyers in mild regions may overpay for unused efficiency.

3 Ton 17 SEER 98% AFUE 80,000 BTU Goodman Gas Furn
$89
Buy at HVACDirect →

Installation

Installation requires standard line set connections with 3/8-inch liquid line and 7/8-inch suction line, both compatible with the included 3/4-inch insulation thickness. The horizontal A-coil configuration fits tight spaces, though 24.5-inch height and 26-inch width demand careful measurement. Electrical integration needs 115V single-phase power within 21.3 to 35-amp breaker range, making this compatible with most residential panels.

Warranty & Reliability

The 10-year warranty applies with online registration and covers parts and labor through the manufacturer. This is competitive for mid-range systems and reflects confidence in the two-stage condenser design and scroll compressor durability. Warranty claims typically process within 30 days with proper documentation.

Specifications

SKULS38783850
Brand/ManufacturerOnline Supply
Cooling BTU35,000
Heating BTU80,000
RefrigerantR410A or R22
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)71
Weight (in lbs)30.000000
FeatureSpec
Product FeaturesTwo Stage Condenser
Energy StarYes
SEER1 (Efficiency)18
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size35 amps
Min. Breaker Size21.3 amps
Tonnage5 Ton
Valve TypeSweat
Height24.5"
Width26"
Depth21.125"
ResourcesCHPF Installation Manual CHPF 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 Number7424266
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM1600
ConfigurationHorizontal
Burner StagesModulating
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Does this unit work with both natural gas and propane? +
Yes. The furnace accepts both natural gas and propane fuel, making it flexible for homes with either supply. However, ensure the unit is factory-configured or professionally adjusted for your specific fuel type before installation to avoid combustion efficiency loss.
What electrical service do I need for this system? +
The unit requires 115V single-phase 60Hz power with breaker sizing between 21.3 and 35 amps. Most homes have adequate 115V circuits. Your electrician should confirm existing panel capacity and install appropriate breaker size based on actual compressor amperage.
How does the two-stage condenser improve efficiency? +
Two-stage compressors modulate between low and high capacity based on cooling demand. On mild days, the compressor runs at reduced output, consuming less power while maintaining comfort. The 18 SEER2 rating reflects this part-load efficiency advantage over single-stage units.
Can I use this with my existing ductwork? +
Compatibility depends on your current system configuration. The 1600 CFM blower and horizontal mounting work with most standard residential ductwork, but undersized ducts can bottleneck performance. Have a contractor verify CFM requirements match your duct design before proceeding.
Is the 10-year warranty adequate? +
Yes, this covers typical furnace and compressor lifespan for standard residential use. Scroll compressors and modulating furnaces typically reach 15 to 20 years with proper maintenance, so the warranty protects the most critical replacement periods.

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