Independent Review · Updated June 2026

2.5 Ton 14 SEER 97% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow

97% efficient furnace paired with 14 SEER cooling at an aggressive price point

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 14 SEER 97% AFUE 80,000 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 system makes sense for budget-conscious homeowners in mixed climates who prioritize heating efficiency without sacrificing cooling performance. The 97% AFUE furnace and 14 SEER air conditioner deliver measurable energy savings, and at $647, it undercuts most comparable units by hundreds of dollars.

Review

The ACiQ 2.5 Ton 14 SEER combined gas furnace and air conditioner system represents a practical entry point for homeowners stepping up from single-stage heating. Priced at $647, it undercuts comparable Goodman and Lennox packages while delivering legitimate efficiency credentials. The system pairs an 80,000 BTU furnace with a 30,000 BTU cooling condenser, both ENERGY STAR qualified. This downflow configuration opens installation options for homes without traditional furnace closets, making it attractive for remodels and tight mechanical spaces.

The furnace achieves 97% AFUE through modulating burner technology that adjusts flame intensity rather than cycling on and off, reducing energy waste and improving comfort. The air conditioning side delivers 14 SEER1 efficiency using R454B refrigerant and a rotary compressor, though it operates at a single stage with 72 dB noise output. The variable-speed ECM blower motor adapts to heating and cooling demands, ranging from 115 to 1600 CFM. AHRI certificate 7424271 confirms proper cooling and heating capacity matching, essential for warranty coverage and system reliability.

Pros & Cons

Pros

  • 97% AFUE furnace efficiency means minimal heating fuel waste, saving 3-5% annually versus 90-92% units
  • 14 SEER cooling efficiency on a 3.5 ton condenser qualifies for ENERGY STAR certification and most utility rebates
  • Modulating burner stages automatically adjust heating output, reducing short-cycling and improving comfort consistency
  • Variable-speed ECM blower motor runs more quietly and efficiently than fixed-speed alternatives, optimizing airflow between 115-1600 CFM
  • Downflow configuration suits basements, crawlspaces, and utility closets where upflow isn't practical

Cons

  • Single-stage compressor cannot modulate cooling capacity, meaning less precise temperature control than two-stage systems
  • 72 dB operating noise is moderately loud, noticeable in quiet homes, especially if condenser is near bedrooms
  • ACiQ as a manufacturer has less brand recognition than Goodman, Lennox, or Carrier, which may concern some buyers

Who Should Buy

Best For

Homeowners replacing an aging furnace-only system who want to add central AC affordably, or those in heating-heavy climates where furnace efficiency matters more than cooling nuance. Contractors pricing competitive bids will appreciate the value margin without sacrificing AHRI certification.

Consider Alternatives If

Buyers in high-humidity climates requiring precise dehumidification should look at two-stage or variable-capacity systems, and noise-sensitive households should audition this unit first.

2.5 Ton 14 SEER 97% AFUE 80,000 BTU Goodman Gas Fu
$647
Buy at HVACDirect →

Installation

This system requires standard split installation with indoor coil placement and outdoor condenser staging. Downflow configuration demands proper ductwork return air flow from above, a consideration for some homes. Refrigerant lines use 3/8-inch liquid and 3/4-inch suction sizes with 50-foot maximum line length. PVC exhaust flue venting is required, which costs less than metal but requires careful slope and condensation management. Electrical demand runs 115V single phase at 17.1 to 25 amps, fitting most standard home service.

Warranty & Reliability

ACiQ includes a 10-year warranty on parts with online registration, a solid coverage period that matches many mid-tier competitors. Registration is straightforward and essential to activate the full term, so documentation matters. Parts coverage includes the compressor, heat exchanger, and blower motor. Labor warranty typically varies by installer, so clarify coverage before signing. This warranty period provides meaningful protection against manufacturing defects without the extended costs of higher-tier plans.

Specifications

SKUACIQ-30-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU30,000
Heating BTU80,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)120.000000
FeatureSpec
Energy StarYes
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
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 Number7424271
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE97%
Blower MotorVariable Speed - ECM
Maximum CFM1600
ConfigurationUpflow / Downflow
Flue LocationRight
Burner StagesModulating
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line3/4"
StyleA-Coil
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

How much will this system reduce my heating costs compared to my old 90% AFUE furnace? +
The 97% AFUE rating versus 90% AFUE means approximately 7% less fuel consumption for the same heating output. On average, this saves $100 to $200 annually depending on climate zone, gas prices, and home insulation. Payback from efficiency gains alone typically takes 4 to 6 years.
Is this system compatible with my existing ductwork and thermostat? +
Yes, if your home already has supply and return ductwork sized for similar tonnage. However, downflow configuration requires return air drawn from above, which some homes lack. Any standard programmable or smart thermostat works with this system. Have a technician verify ductwork static pressure before installation.
What does 14 SEER1 actually mean for my air conditioning bills? +
SEER1 measures efficiency under current testing standards. 14 SEER1 is above average and typically reduces cooling costs 15 to 20% versus 10 SEER systems. In hot climates, expect $150 to $300 in annual cooling savings. Energy Star qualification also unlocks utility rebates, sometimes $300 to $500.
How does this compare to the Goodman equivalent that costs $200 more? +
ACiQ is owned by Goodman and shares identical engineering on core components like the compressor and blower motor. The price difference reflects branding and dealer network, not performance. Both carry comparable warranties and efficiency ratings, making ACiQ the better value for budget-conscious buyers.
What happens if the system fails after five years? +
The 10-year parts warranty covers compressor, heat exchanger, and motor replacements. Labor costs and refrigerant recharges fall on you unless your installer bundled extended labor coverage. Registration activates this warranty, so complete it at installation to protect your investment.

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