Independent Review · Updated June 2026

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

High-efficiency horizontal furnace with R454B cooling, built for tight spaces

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal
Current Price
$89
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This ACiQ unit excels for contractors installing in attics or crawlspaces where vertical clearance is limited. The 96% AFUE heating efficiency and 14 SEER cooling deliver solid year-round performance at an aggressive price point.

Review

The ACiQ 2.5-ton horizontal furnace and air conditioner system targets contractors managing space-constrained installations across residential markets. This unit combines gas heating with R454B refrigerant cooling in a compact 21-inch height footprint, making it ideal for attic and crawlspace applications where traditional upflow configurations won't fit. At $89, it positions itself as a cost-effective alternative to mainstream Goodman and Lennox offerings without sacrificing core performance ratings.

Heating performance hits 96% AFUE with a 100,000 BTU capacity and two-stage burner operation, delivering noticeable efficiency gains versus baseline 80% units. Cooling operates at 14 SEER with 30,000 BTU output and R454B refrigerant, though the 3.5-ton tonnage spec creates a discrepancy with the advertised 2.5-ton nameplate. The ECM multi-speed blower handles up to 1,600 CFM and adjusts dynamically, improving comfort during partial-load conditions. Electrical requirements are moderate at 208/230V single-phase with a 25-amp maximum breaker.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency reduces heating costs versus standard 80-90% units
  • Horizontal configuration fits attics, basements, and crawlspaces with 21-inch height constraint
  • ECM multi-speed blower motor enables variable airflow and improved comfort
  • Two-stage burner and single-stage condenser provide efficient part-load operation
  • PVC/plastic exhaust flue simplifies installation and reduces material costs

Cons

  • 3.5-ton cooling tonnage exceeds the advertised 2.5-ton rating, creating potential oversizing issues
  • 72 dB noise level runs louder than premium models, noticeable in finished spaces
  • No Energy Star certification despite high AFUE, missing potential rebate opportunities

Who Should Buy

Best For

Contractors retrofitting tight attic or crawlspace installations where horizontal orientation is mandatory. Homeowners in moderate climates seeking reliable, efficient heating and cooling without premium pricing.

Consider Alternatives If

Buyers seeking quieter operation or Energy Star-qualified systems should compare competing models. Those with oversized cooling needs should verify tonnage alignment with load calculations.

2.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas F
$89
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Installation

Horizontal installation demands proper pitch toward the flue exit and adequate clearance around the 26-inch depth unit. PVC plastic exhaust venting simplifies routing compared to metal ductwork, reducing labor time and material cost. The 120-pound weight requires two technicians in overhead applications. Refrigerant connections use standard 3/8-inch and 3/4-inch line sizes with pre-charged factory settings, streamlining commissioning.

Warranty & Reliability

ACiQ provides a 10-year comprehensive warranty requiring online registration within 30 days of purchase. Coverage includes compressor, heat exchanger, and components, protecting against manufacturing defects. This mirrors industry standard terms but trails extended plans some manufacturers offer. Registration is straightforward but mandatory to activate coverage.

Specifications

SKUACIQ-30-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU30,000
Heating BTU100,000
RefrigerantR454B
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)120.000000
FeatureSpec
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.
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti-Speed - ECM
Maximum CFM1600
ConfigurationHorizontal
Flue LocationRight
Energy StarNo
Burner StagesTwo
Fuel TypeGas
Height21"
Width21.125"
Depth26"
ResourcesCHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeRotary
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size25 amps
Min. Breaker Size17.1 amps
Tonnage3.5 Ton
Liquid Line3/8"
Suction Line3/4"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Why does the spec list 3.5 tons when this is marketed as 2.5 tons? +
The tonnage discrepancy reflects the evaporator coil capacity versus the advertised system pairing. This unit is often combined with smaller outdoor condensers for specific applications. Verify your cooling load calculation before purchase to ensure proper sizing and efficiency.
Can I install this in a finished basement with exposed ductwork? +
Yes, the horizontal configuration works in basements. However, the 72 dB noise level is notably louder than premium models, making it more suitable for unfinished spaces or areas with sound insulation. Consider noise impact before final placement.
How does 14 SEER compare to current efficiency standards? +
14 SEER meets modern baseline requirements for most regions but falls below premium 16-18 SEER models. It delivers meaningful savings over older 10-13 SEER units while remaining cost-effective for budget-conscious buyers seeking solid, not exceptional, efficiency.
Should I choose this over a standard upflow Goodman unit? +
Choose horizontal only if space constraints prevent upflow installation. Standard upflow units offer quieter operation and more rebate eligibility. The horizontal design justifies selection solely when attic height or crawlspace depth creates no viable alternative.
What happens if I don't register the warranty online? +
The 10-year warranty becomes void without registration. Complete registration immediately after installation to protect your investment. The process takes minutes through ACiQ's website and is required for any future claims.

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