Independent Review · Updated June 2026

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

Energy Star 14 SEER horizontal coil system with 96% AFUE and variable-speed motor

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 - Horizontal
Current Price
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// Bottom Line
This 3.5-ton ACiQ condenser paired with a 100,000 BTU Goodman furnace works well for homeowners upgrading from older systems in moderate to warm climates seeking solid efficiency without premium pricing. The 96% AFUE furnace and 14 SEER cooling components make it a practical choice for homes where energy bills matter.

Review

The ACiQ 3.5-ton condenser paired with this Goodman 100,000 BTU furnace represents a middle-ground offering in the residential HVAC market. Built for horizontal and upflow applications, this system targets contractors and homeowners seeking Energy Star certification without moving to premium pricing tiers. The combination of proven Goodman furnace engineering with ACiQ's mid-tier cooling equipment creates a practical solution for residential replacement projects across temperate and warm regions.

Performance numbers tell a straightforward story. The furnace delivers 96% AFUE efficiency, meaning 96 cents of every heating dollar goes toward actual heating rather than exhaust losses. Cooling capacity reaches 36,000 BTU at 14 SEER1, which translates to measurable savings on summer electricity bills compared to older 10 to 12 SEER systems. The variable-speed ECM blower runs from zero to 2000 CFM, adjusting motor speed to match heating and cooling demand and reducing fan noise during partial-load operation.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency significantly reduces heating fuel consumption and operational costs
  • Energy Star certified with 14 SEER1 rating delivers reliable cooling efficiency for the price tier
  • Variable-speed ECM blower motor adjusts airflow from 0 to 2000 CFM for better comfort control
  • Two-stage burner provides modulating heating and quieter operation at partial load
  • R454B refrigerant meets current EPA standards and environmental requirements
  • Lifetime heat exchanger warranty plus 10-year parts coverage with online registration

Cons

  • Single-stage compressor means cooling cycles on and off rather than modulating, limiting efficiency potential
  • 73 dB noise level is acceptable but louder than variable-capacity competitors running at partial load
  • Requires 115V single-phase power with 18.7 to 30-amp circuit, limiting placement options in some homes
  • Plastic PVC exhaust flue requirement may complicate retrofits in homes with metal ductwork

Who Should Buy

Best For

Contractors installing systems in 3 to 3.5-ton applications where Energy Star compliance and solid efficiency matter more than cutting-edge performance. Homeowners replacing 15+ year-old furnace and AC units who want dependable equipment backed by reasonable warranty coverage without premium brand markup.

Consider Alternatives If

Those seeking variable-capacity compressors for ultra-quiet operation and maximum humidity control, or buyers in cold climates who might benefit from higher AFUE ratings above 96%.

3 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Fur
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Installation

This horizontal configuration suits attics, crawlspaces, and basements where vertical furnaces won't fit. Technicians need to run 3/8-inch liquid and 3/4-inch suction lines with 3/4-inch insulation to the outdoor condenser. Weighing 120 pounds, the unit requires standard rigging. Plastic PVC exhaust venting is mandatory, so check existing flue systems before committing. Standard 115V, 60Hz electrical with a 30-amp maximum breaker handles power delivery.

Warranty & Reliability

Goodman's lifetime heat exchanger warranty covers the most expensive furnace component against manufacturing defects for the life of original ownership. The 10-year parts warranty requires online registration and covers compressor, motors, and controls. This stacks favorably against budget-tier equipment while lagging premium brands offering 12 to 15-year coverage. Real-world value depends on registration completion and keeping maintenance records.

Specifications

SKUACiQ-36-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU36,000
Heating BTU100,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger and 10 Years Parts 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
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Install Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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.
ConfigurationUpflow/Horizontal
StyleA-Coil
AHRI Certificate Number7368836
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
Burner StagesTwo
Fuel TypePropane, Natural Gas
Suction Line Insulation Thickness3/4"
Length30 feet

Frequently Asked Questions

What makes the 96% AFUE rating significant compared to older furnaces? +
A furnace operating at 80% AFUE wastes 20 cents of every heating dollar up the chimney. This 96% AFUE unit loses only 4 cents, cutting heating fuel consumption by roughly 20% compared to 1990s equipment. On a $1200 annual heating bill, that translates to $240 yearly savings before accounting for thermostat optimization.
Can I install this in a tight attic space? +
Yes, the horizontal configuration measures 34.5 inches high, 21 inches wide, and 28.75 inches deep, fitting most attic cavities between joists. Ensure adequate clearance for service technician access to the blower compartment and gas connections. Verify your attic can handle the 120-pound weight on floor joists or blocking.
How does 14 SEER1 compare to newer systems claiming 16 or 18 SEER2? +
SEER1 and SEER2 use different rating standards, making direct comparison misleading. This 14 SEER1 system roughly translates to 11-12 SEER2. Upgrading to true SEER2 16+ equipment costs significantly more but saves 5-10% additional cooling energy in hot climates. For moderate climates, this system delivers solid year-round efficiency.
Should I choose this over single-stage budget equipment? +
Budget units may offer 13 SEER and 92% AFUE, costing $500 to $800 less upfront. This system's variable-speed blower and two-stage burner run quieter and more consistently throughout the year, improving comfort. Pay back the difference in heating efficiency within 4 to 6 years in most climates.
What does the 10-year parts warranty actually cover? +
Compressor, blower motor, capacitors, and circuit boards are covered against manufacturing defects when properly registered online. Labor, refrigerant, and routine maintenance are not covered. Maintain annual service records to prevent warranty denial claims over neglect.

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