Independent Review · Updated June 2026

3.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow

High-efficiency dual-fuel system combining 96% gas furnace with 14 SEER heat pump

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow
Current Price
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// Bottom Line
This ACiQ system is ideal for homeowners in mixed climates seeking dual-fuel flexibility without premium pricing. The 96% AFUE furnace and 14 SEER heat pump combination delivers solid efficiency gains, though the single-stage compressor limits cooling performance compared to multi-stage competitors.

Review

The ACiQ 3.5 Ton dual-fuel system bridges gas heating and electric cooling in one integrated package. Built on Goodman's platform, this upflow configuration delivers 100,000 BTU of heating capacity paired with 41,000 BTU of cooling output. Energy Star certification signals compliance with EPA efficiency guidelines. At this price point, dual-fuel systems offer genuine value for mixed-climate regions where winter heating demands justify gas equipment investment.

Performance metrics show real strengths in heating delivery. The 96% AFUE rating means 96 cents of every heating dollar converts to usable warmth, substantially beating standard 80% units. Cooling operates at 14 SEER, which ranks as mid-tier efficiency by current standards. The two-stage gas burner modulates output for comfort and efficiency, while the variable-speed ECM blower adjusts automatically to building needs. The R410A refrigerant and scroll compressor are industry-standard, reliable components.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating costs significantly versus standard 80-85% units
  • 14 SEER cooling with 41,000 BTU capacity handles moderate climate zones effectively
  • Two-stage gas burner provides modulation for better comfort and efficiency control
  • Variable-speed ECM blower motor optimizes airflow and reduces energy consumption
  • Lifetime heat exchanger warranty plus 10-year parts coverage with online registration
  • PVC exhaust option simplifies venting compared to traditional metal flue requirements

Cons

  • Single-stage compressor means cooling runs at full capacity, limiting efficiency in moderate weather
  • 41,000 BTU cooling capacity feels undersized for the stated 3.5 to 5 ton rating discrepancy
  • 74 dB noise level is moderately loud for outdoor equipment in residential settings
  • Requires 24 to 40 amp breaker sizing, limiting installation flexibility on older electrical panels

Who Should Buy

Best For

Homeowners in moderate climates (not extreme heat zones) who heat with gas and want seasonal cooling with excellent heating efficiency. Contractors needing a dependable dual-fuel system that's Energy Star certified and carries strong parts coverage.

Consider Alternatives If

Anyone in hot climates requiring 16+ SEER cooling efficiency or homeowners with older electrical service that cannot accommodate a 24 to 40 amp dedicated circuit.

3.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas F
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Installation

Upflow A-coil configuration suits basement or closet placement in homes with forced-air distribution below living spaces. Requires 115V single-phase 60 Hz power with 24 to 40 amp breaker capacity, typical for most homes. PVC exhaust venting simplifies installation versus metal flue systems. Liquid line is 3/8 inch and suction line is 1 1/8 inch with 1/2 inch insulation. Most experienced HVAC contractors complete installation in one day.

Warranty & Reliability

Coverage includes a lifetime heat exchanger warranty plus 10 full years on all parts when you register online after purchase. This protection is better than industry average and reflects manufacturer confidence in reliability. Registration is simple and strongly recommended, as it unlocks the extended coverage terms.

Specifications

SKUACIQ-4X-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU41,000
Heating BTU100,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger and 10 Years Parts with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
Product FeaturesRebate Available
Energy StarYes
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size40 amps
Min. Breaker Size24 amps
Tonnage5 Ton
Valve TypeSweat
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
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
AHRI Certificate Number7368836
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
Burner StagesTwo
Fuel TypePropane, Natural Gas
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

Why does the product list both 3.5 ton and 5 ton capacity? +
The tonnage discrepancy reflects cooling capacity (3.5 ton / 41,000 BTU) versus heating size (5 ton thermal rating). Industry practice reports higher heating BTU values separately. For cooling, use the 41,000 BTU or 3.5 ton figure when sizing ductwork and thermostats.
Can this system retrofit into existing ductwork designed for my old furnace? +
Yes, in most cases. The A-coil style and upflow orientation fit standard basement installations. However, verify existing ductwork CFM rating matches the 2000 CFM maximum output. Have your contractor measure return and supply sizing to confirm compatibility before purchase.
How much will heating costs drop compared to my 80% AFUE furnace? +
At 96% AFUE versus 80%, you recover 16 percentage points of fuel. On $1,000 annual heating bills, expect savings around $160 to $200 yearly depending on thermostat setpoints and home insulation. Payback typically occurs within 5 to 7 years in cold climates.
Is 14 SEER competitive with newer heat pumps I've seen advertised? +
14 SEER ranks mid-tier today. Newer single-stage units hit 14 to 16 SEER, while variable-speed models reach 18+ SEER. This system prioritizes heating strength and dual-fuel reliability over cooling peak efficiency, making it better for heating-dominant regions than hot climates.
What does the lifetime heat exchanger warranty actually cover? +
It covers manufacturing defects and premature failure of the heat exchanger component for as long as you own the system. Labor is not included. Damage from poor maintenance or improper installation voids coverage, so proper service records matter.

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