Independent Review · Updated June 2026

3 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

High-efficiency gas furnace and AC combo at an unbeatable price point.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow
Current Price
$647
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman system is ideal for budget-conscious homeowners and contractors seeking solid year-round comfort without premium pricing. The 96% AFUE furnace and 14 SEER air conditioner deliver genuine efficiency gains, making it a smart choice for replacement jobs in moderate climates.

Review

The Goodman ACiQ 3 Ton combo system positions itself squarely in the practical efficiency segment, delivering legitimate upgrades over baseline equipment at a price point that won't require financing discussions. At $647, this downflow configuration combines a high-efficiency furnace with a mid-tier air conditioner, making it a logical choice for replacement jobs. The ENERGY STAR certification and 10-year warranty signal reasonable longevity expectations, while the variable-speed blower motor separates it from stripped-down competitors.

The furnace hits 96% AFUE, meaning nearly every BTU of fuel converts to usable heat compared to older 80% AFUE units that waste 20% up the chimney. The air conditioner delivers 36,000 BTU cooling capacity at 14 SEER1 efficiency, which translates to lower summer energy costs. The two-stage burner and variable-speed ECM blower are the key differentiators here, preventing the on-off cycling that creates temperature swings and wastes energy. For homeowners upgrading from 1990s equipment, the efficiency jump is substantial and shows up immediately in utility bills.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency means lower heating bills, especially valuable in cold climates where furnace runtime is high
  • 14 SEER cooling matches mid-tier market standards while keeping price reasonable at $647
  • Variable-speed ECM blower motor runs quieter and more efficiently than single-speed alternatives
  • Two-stage burner adapts to heating demand, reducing short-cycling and improving comfort
  • ENERGY STAR certified system qualifies for utility rebates in many regions
  • 10-year warranty with online registration provides solid protection for the investment

Cons

  • 73 dB noise level is acceptable but not quiet, comparable to a busy restaurant environment
  • Single-stage compressor on air conditioner side means cooling operates at full capacity or off, with no modulation
  • 3.5 ton cooling capacity oversized for the 100,000 BTU heating output, suggesting this may be retrofit into an existing larger ductwork system

Who Should Buy

Best For

Homeowners replacing an aging system who want real efficiency gains without paying premium pricing, and contractors managing multiple jobs where budget matters. This unit works well in mixed climates where both heating and cooling demand is moderate to heavy.

Consider Alternatives If

Anyone in a hot climate prioritizing ultra-quiet operation should look at variable-capacity compressors instead, and buyers needing rapid cooling recovery in extreme heat events.

3 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Fur
$647
Buy at HVACDirect →

Installation

Downflow configuration fits retrofit installations where ductwork runs below the furnace. Requires 115V single-phase power with 18.7 to 30-amp breaker, standard for most homes. Plastic PVC exhaust flue compatibility is typical of modern furnaces. The A-coil style integrates cleanly with the air conditioning side. Installation complexity is moderate, requiring proper refrigerant charging and ductwork matching to the 2000 CFM blower capacity.

Warranty & Reliability

Ten-year parts warranty requires online registration, a simple step most owners complete during installation. This covers compressor, furnace heat exchanger, and major components, providing meaningful protection during the equipment's prime years. Labor warranty details should be confirmed with your installer, as they vary by contractor and region.

Specifications

SKUACiQ-36-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU36,000
Heating BTU100,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)73
Weight (in lbs)120.000000
FeatureSpec
Energy StarYes
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
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.
AHRI Certificate Number7368844
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length30 feet

Frequently Asked Questions

How much can I expect to save on heating costs compared to my old furnace? +
If replacing 80% AFUE equipment with this 96% AFUE unit, you recover 16 percentage points of efficiency. On a typical 100,000 BTU furnace running 1,500 hours annually, that's roughly $200 to $300 in annual savings depending on gas prices. Savings scale with heating demand and fuel costs in your region.
Will this fit my existing ductwork and air handler location? +
The downflow design works when ducts are below the furnace, common in basements and utility closets. Check your existing furnace orientation first. The 30 inch height and 21 inch width fit standard closet spaces. Your installer should verify static pressure compatibility with your duct system at 2000 CFM capacity.
How does 14 SEER compare to newer systems I've heard about? +
14 SEER1 is solid mid-tier cooling. Newer systems reach 16 to 18 SEER2, but those cost significantly more. For moderate climates, 14 SEER delivers measurable savings over 10-year-old units without the premium price tag of cutting-edge equipment.
What's the difference between this system and a higher-priced Goodman model? +
Premium Goodman systems add variable-capacity compressors for smoother cooling, quieter scroll compressors, and higher SEER ratings up to 18. This model uses single-stage operation, which is less efficient at part-load but costs considerably less and still beats most baseline units.
Do I need to register online for the warranty to apply? +
Yes, the full 10-year warranty requires online registration. Without registration, coverage may default to a shorter period. Registration is free and takes minutes during or after installation.

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