Independent Review · Updated June 2026

4 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow

High-efficiency hybrid system combining 96% gas furnace with 14 SEER heat pump performance

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow
Current Price
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// Bottom Line
This ACiQ 4-ton hybrid system excels for homeowners in mixed climates who want maximum heating efficiency without replacing ductwork. The 96% AFUE gas furnace pairs intelligently with a 14 SEER heat pump to minimize energy costs year-round while maintaining compatibility with existing upflow installations.

Review

The ACiQ 4-ton hybrid furnace and heat pump system represents a practical middle ground for homeowners seeking both heating and cooling efficiency without a complete system overhaul. This unit combines a gas furnace rated at 96% AFUE with a 14 SEER1 heat pump condenser, targeting mixed-climate regions where neither heating nor cooling dominates seasonal demand. As an ACiQ-branded Goodman product, it carries factory backing and widely available parts support while positioning itself as a value alternative to premium branded equipment.

Performance specifications tell a clear efficiency story. The 80,000 BTU furnace output handles winter demands in most residential applications, while the 46,000 BTU cooling capacity with 14 SEER1 efficiency keeps summer energy costs reasonable. The scroll compressor operates at 74 dB, which is acceptable for single-stage designs but noticeable during full-load cooling. Electrical requirements are modest, needing 26.4 to 40 amp breaker sizing on 115V single-phase power. The multi-speed blower motor adapts to varying loads, improving comfort without running at maximum CFM (2000) during partial-load conditions.

Pros & Cons

Pros

  • 96% AFUE furnace rating is top-tier for gas heating, reducing winter fuel costs significantly
  • 14 SEER1 cooling efficiency means lower summer electric bills in moderate climates
  • R454B refrigerant is environmentally friendlier than older R410A formulations
  • 5-ton condenser capacity handles oversized loads without short cycling
  • Multi-speed blower motor optimizes airflow across varying conditions and reduces noise
  • PVC/plastic flue compatibility eliminates expensive metal ductwork modifications
  • 10-year warranty with online registration provides solid long-term protection

Cons

  • 74 dB noise level is moderately loud for single-stage compressor operation during cooling
  • 4-ton heating output (80,000 BTU) may undersized for homes requiring sustained high-capacity heat in severe climates
  • Single-stage compressor lacks variable capacity efficiency gains found in two-stage units
  • Suction line insulation at 1/2 inch is standard but thinner than premium installations
  • ACiQ branding has less recognition than established Goodman distribution channels among some contractors

Who Should Buy

Best For

Homeowners in moderate climates (zones 3-7) upgrading older systems who value year-round efficiency and want to avoid expensive ductwork replacement. Ideal for upflow attic installations where the A-coil configuration fits existing return plenums.

Consider Alternatives If

Buyers in extreme cold climates requiring consistent 80,000+ BTU heating output should look at larger capacity units, and those seeking ultra-quiet operation should consider variable-speed compressor models despite higher costs.

4 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Furn
$0
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Installation

This upflow A-coil unit installs straightforwardly into existing ductwork when replacing compatible systems like the GSZ140491. The 34.5 inch height and 21 by 28.75 inch footprint fit standard attic installations. Refrigerant lines require 3/8 inch liquid and 1 1/8 inch suction sizing with 1/2 inch insulation over 50 feet. Sweat valve connections demand proper brazing skills. PVC exhaust flue compatibility simplifies venting without costly metal duct replacement.

Warranty & Reliability

ACiQ provides 10-year full coverage with online registration, protecting against manufacturer defects across compressor, coil, and components. Registration is straightforward and essential for claim eligibility. This duration matches competitor midrange offerings and provides reasonable peace-of-mind for residential applications, though it trails extended 12-year programs from premium manufacturers.

Specifications

SKUACIQ-48-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU46,000
Heating BTU80,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
ReplacesGSZ140491
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 Size26.4 amps
Tonnage5 Ton
Valve TypeSweat
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Installation 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
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE96%
Blower MotorMulti Speed
Maximum CFM2000
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

Will this system work in my existing ductwork? +
Yes, if your home currently runs upflow ducting. The A-coil configuration and 2000 CFM maximum airflow match standard residential installations. However, verify your return plenum accommodates the 34.5 by 21 by 28.75 inch coil dimensions before ordering. Consult installation instructions for specific clearance requirements.
What does 96% AFUE mean for my heating bill? +
AFUE measures furnace efficiency converting gas to heat. 96% means only 4% energy escapes unused, among the best available. Compared to 80% older units, you'll save roughly 16% on winter heating costs annually. Savings depend on local gas prices and your climate zone's heating demands.
Why is there a 5-ton condenser on a 4-ton system? +
The oversized condenser (5 tons) paired with 4-ton heating capacity improves cooling efficiency and reduces compressor cycling stress. This means longer unit lifespan and more stable temperatures during hot weather without exceeding typical home heating needs.
How does this compare to a standard 4-ton heat pump without gas backup? +
This hybrid preserves your gas furnace's heating power while adding efficient heat pump cooling. Pure heat pumps cost less upfront but struggle in severe cold climates. This system costs more initially but optimizes heating comfort and efficiency across mixed seasons.
Do I need to register online for the 10-year warranty? +
Yes. Registration is mandatory to activate 10-year coverage. Without it, warranty defaults to shorter terms. Complete registration within specified timeframe using proof of purchase and installation documentation to protect your investment.

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