Independent Review · Updated June 2026

3 Ton 14 SEER 92% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Budget-friendly 3-ton system with solid 92% AFUE and 14 SEER efficiency

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 14 SEER 92% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$647
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system delivers legitimate heating and cooling efficiency at an accessible price point, making it ideal for homeowners replacing aging equipment without premium budget. The 92% AFUE furnace and 14 SEER air conditioner combination provides balanced performance for moderate climates, particularly where gas heating is already established.

Review

The Goodman 3-ton gas furnace and air conditioner combination represents honest mid-market equipment for contractors and homeowners balancing performance with budget constraints. At $647, this system doesn't attempt to compete with premium brands on noise or variable-capacity features. Instead, it delivers predictable, proven Goodman reliability in an upflow configuration suitable for standard residential installations where budget discipline matters as much as efficiency ratings.

Performance metrics reveal a straightforward, single-stage design: the furnace achieves 92% AFUE with 100,000 BTU heating output, while the air conditioner produces 36,000 BTU at 14 SEER with scroll compressor technology. The multi-speed blower accommodates airflow from 0-2000 CFM, supporting both furnace and AC operation. These numbers place the system solidly in the efficient-but-not-premium category, suitable for moderate climates where neither heating nor cooling dominates seasonal demand.

Pros & Cons

Pros

  • 92% AFUE furnace efficiency with 100,000 BTU output captures significant energy savings over older systems
  • 14 SEER cooling efficiency balances comfort and operating costs reasonably for residential applications
  • Multi-speed blower motor allows flexible airflow control from 0-2000 CFM for zoning and comfort optimization
  • Upflow/horizontal configuration suits standard closet installations with minimal ductwork modifications
  • PVC exhaust compatibility simplifies venting compared to rigid metal flue requirements
  • Compact 21x21x30 inch dimensions fit retrofit scenarios where space is constrained

Cons

  • Single-stage burner and condenser limit efficiency gains during partial-load operation common in spring and fall
  • 73 dB noise level runs louder than premium variable-speed models, noticeable during operation
  • Not ENERGY STAR certified, meaning it meets baseline efficiency but lacks top-tier recognition
  • 30-amp breaker requirement may demand electrical panel upgrades in older homes
  • Tonnage mismatch noted in specs (labeled 3 ton with 3.5 ton cooling capacity) suggests possible data inconsistency

Who Should Buy

Best For

Homeowners in heating-dominant climates replacing 15-20 year old Goodman or competitor units who value upfront affordability over premium efficiency tiers. Contractors building spec homes or multi-unit affordable housing where standardized, reliable equipment at $647 meets project budgets without compromising baseline performance standards.

Consider Alternatives If

Buyers in hot climates prioritizing cooling efficiency or those seeking ENERGY STAR certification should explore competitors offering 16+ SEER ratings and variable-speed compressors.

3 Ton 14 SEER 92% AFUE 100,000 BTU Goodman Gas Fur
$647
Buy at HVACDirect →

Installation

Installation suits standard upflow applications with plastic PVC exhaust venting, eliminating costly metal flue modifications. The compact 35-pound unit fits tight closet spaces within its 21x21x30 inch footprint. Electrical requirements demand 208/230v single-phase 60 Hz service with 18.7-30 amp breaker sizing. Suction lines require 3/4 inch insulation over 30 feet maximum, and technicians must verify existing ductwork matches 2000 CFM maximum airflow capacity.

Warranty & Reliability

Ten-year parts coverage applies with online registration, standard for Goodman residential equipment. This protects against compressor failure, heat exchanger defects, and component manufacturing flaws. However, labor costs during year two through ten fall on homeowners, making extended service plans worthwhile for older homes where technician callouts prove frequent.

Specifications

SKULS38343830
Brand/ManufacturerOnline Supply
Cooling BTU36,000
Heating BTU100,000
RefrigerantR410A or R22
Electrical208 / 230v 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73
Weight (in lbs)35.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE92%
Blower MotorMulti Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
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 StarNo
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Line3/8"
Suction Line3/4"
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size30 Amps
Min. Breaker Size18.7 Amps
Tonnage3.5 Ton
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length30 feet

Frequently Asked Questions

Does this system qualify as high-efficiency equipment for tax credits? +
No. The 92% AFUE and 14 SEER ratings meet baseline federal minimums but lack ENERGY STAR certification required for current tax incentive programs. Homeowners should verify state or utility rebates, which sometimes apply to non-certified equipment in specific regions.
Can this upflow furnace work in a basement with limited ceiling height? +
Yes, the 30-inch height and horizontal/upflow configuration suit basement installations. Verify flue routing to the right side accommodates your exhaust path. Ensure 18-30 amp breaker availability nearby and adequate return air clearance around the unit.
How does 14 SEER compare to newer air conditioning systems? +
14 SEER meets 2023 minimum federal standards but ranks below newer 16-18 SEER units. In moderate climates, the cooling cost difference versus premium equipment runs 15-25% annually, depending on usage patterns and electricity rates.
Is Goodman equipment reliable for primary heating in cold climates? +
Yes, but single-stage operation means the furnace runs at full 100,000 BTU output whenever heating calls. In very cold climates with extended run times, variable-stage competitors reduce cycling costs. Goodman's reputation centers on durability, not peak efficiency optimization.
What does the 10-year warranty exclude? +
Standard Goodman coverage excludes labor, refrigerant, damage from improper installation, and inadequate maintenance. Registration is mandatory. Read the CAPF specifications sheet for exact limitations before purchase.

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