Independent Review · Updated June 2026

Goodman 3.5 Ton 14 SEER 96% 120,000 BTU Furnace & AC System - R410A Horizontal

High-efficiency gas furnace with solid cooling, built for residential retrofit installations

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
Goodman 3.5 Ton 14 SEER 96% 120,000 BTU Furnace & AC System - R410A Horizontal
Current Price
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// Bottom Line
This Goodman system excels for homeowners replacing older equipment in existing homes where horizontal furnace placement works. The 96% AFUE heating efficiency and 14 SEER cooling deliver solid year-round performance at a competitive price point, especially with rebate eligibility.

Review

The Goodman 3.5 Ton 14 SEER 96% 120,000 BTU Furnace and AC System targets the mainstream retrofit market where contractors need reliable, efficient equipment without premium pricing. ACiQ branded units like this one occupy solid middle ground between economy baseline systems and high-end modulating alternatives. Horizontal configuration makes this particularly useful for attic and basement installations where space planning matters.

Performance numbers reflect a competent mid-tier system. The furnace delivers 42,000 BTU heating output at 96% AFUE, meaningfully better than 80-90% equipment still operating in many homes. Cooling reaches 41,000 BTU with 14 SEER rating using R410A refrigerant and a scroll compressor. Maximum airflow hits 2000 CFM via the multi-speed blower. Single-stage operation on both heating and cooling keeps things mechanically simple but limits part-load efficiency during shoulder seasons.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating bills significantly compared to 80-90% units still in service
  • 14 SEER cooling rating qualifies for Energy Star, supporting both efficiency and rebate eligibility
  • Horizontal configuration with right-side flue works well in attics, basements, or crawlspaces with space constraints
  • Multi-speed blower motor allows better temperature control and quieter operation than single-speed alternatives
  • 10-year warranty with online registration provides solid coverage for residential applications

Cons

  • Single-stage heating and cooling means less precise temperature control during mild weather compared to modulating systems
  • 74 dB noise level is moderate but noticeable in quiet indoor spaces or finished basements
  • Horizontal-only configuration limits flexibility for homes needing vertical or other orientations

Who Should Buy

Best For

Contractors and homeowners replacing 15+ year old furnace systems in existing homes with limited space for equipment. This unit fits well in attics or basement corners where a horizontal layout is necessary and budget consciousness matters alongside efficiency.

Consider Alternatives If

Buyers needing variable-capacity heating for superior comfort or those with vertical-only installation spaces should consider alternative configurations.

Goodman 3.5 Ton 14 SEER 96% 120,000 BTU Furnace &
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Installation

Horizontal placement requires right-side PVC flue venting, manageable in most attics and basements. The 24.5 inch height, 26 inch width, and 21.125 inch depth fit standard utility closets and tight spaces. Suction line insulation of 1/2 inch is included. A 24 to 40 amp breaker is needed, standard for this tonnage class. Installation complexity is moderate, suitable for experienced technicians.

Warranty & Reliability

ACiQ provides 10 years comprehensive coverage when you register online, covering defects in materials and workmanship. This matches industry standard residential warranty terms. Registration is straightforward and pushes coverage to full term. Evaporator coil coverage extends separately per included documentation, typical for split systems.

Specifications

SKUACIQ-4X-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU41,000
Heating BTU42,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti Speed
Maximum CFM2000
ConfigurationHorizontal
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
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.
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
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

How does 96% AFUE heating efficiency translate to real dollar savings? +
A 96% furnace converts 96 cents of every heating dollar into usable warmth. Replacing an 80% unit saves roughly 16% on heating costs annually. For homes spending $1,200 yearly on heating, expect savings around $190 per year, recovering equipment cost premium in 5-7 years depending on climate and usage.
Can this horizontal unit fit in a standard basement utility corner? +
Yes. At 26 inches wide and 24.5 inches tall, it fits most utility closets and corner spaces. Ensure 21.125 inches of depth clearance and adequate airflow around the unit. Right-side flue venting simplifies installation in confined areas where left-side flue routing would complicate ducting.
Is 14 SEER cooling adequate for humid climates? +
14 SEER provides good baseline cooling capacity at 41,000 BTU for 3.5 ton tonnage. It handles standard residential cooling loads well. Single-stage operation may run longer in peak humidity, but dehumidification keeps pace. High-SEER modulating units offer marginal comfort advantages in truly extreme climates.
How does this compare to Lennox or Carrier equipment at similar price points? +
Goodman/ACiQ competes on efficiency and price rather than brand prestige. This 96% AFUE unit matches Carrier 25HNB efficiency but costs less. Lennox XC21 offers similar ratings. Warranty and parts availability favor the Big Three brands slightly, though Goodman reliability data is solid across residential applications.
What happens if I don't register the warranty? +
Without online registration, you retain standard manufacturer coverage but lose the extended 10-year period. Registration is free and typically takes five minutes online. Document purchase receipt and serial number to activate full coverage.

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