Independent Review · Updated June 2026

4 Ton 13 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

High-efficiency gas furnace and AC combo with modern refrigerant and variable-speed blower.

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 13 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This ACiQ 4-ton system delivers strong heating efficiency (96% AFUE) and respectable cooling (13 SEER) for residential retrofits in cold climates where upflow furnaces are standard. Best suited for homeowners replacing older two-stage systems who want modern refrigerant compatibility without premium pricing.

Review

The ACiQ ACIQ-48-EHPD-UPG represents a solid mid-tier choice in the gas furnace and air conditioner segment. As an upflow configuration rated for 120,000 BTU heating output and 48,000 BTU cooling, it targets contractors replacing outdated split systems in residential applications. The unit weighs 120 pounds and measures 30 inches tall by 24.5 inches wide, fitting standard attic or basement equipment closets. ACiQ positions this as a direct upgrade path for older Goodman GSX models, emphasizing reliability over cutting-edge features.

Where this system shines is furnace-side efficiency. The 96% AFUE rating with two-stage burner technology minimizes waste during winter heating, translating to measurable energy savings in northern climates. The variable-speed ECM blower adjusts airflow from 0 to 2,000 CFM based on demand, reducing runtime electricity consumption. Cooling performance at 13 SEER is respectable but not exceptional; expect comparable output to 2015-era 4-ton units. The reciprocating compressor and single-stage condenser prioritize reliability over modulation finesse.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency significantly reduces winter heating costs compared to 80-90% legacy equipment
  • Two-stage burner with variable-speed ECM blower allows precise temperature control and quieter operation
  • R454B refrigerant meets emerging EPA regulations, protecting against future phase-out costs
  • PVC exhaust flue requirement simplifies installation and reduces corrosion risks versus metal venting
  • 10-year registered warranty provides solid coverage for parts and labor peace of mind

Cons

  • 13 SEER rating is adequate but trails competitors' 14-16 SEER offerings in the same tonnage class
  • Single-stage condenser limits cooling flexibility during partial-load conditions on mild days
  • 76 dB noise level runs slightly louder than premium variable-tonnage units, noticeable during heating cycles
  • No Energy Star certification despite high furnace efficiency suggests overlooked optimization opportunities

Who Should Buy

Best For

Contractors replacing failed upflow systems in existing homes and budget-conscious homeowners in northern climates who prioritize heating efficiency over cooling performance. This system makes sense for properties where furnace runtime far exceeds cooling demand.

Consider Alternatives If

Hot climate homeowners seeking maximum cooling efficiency, or buyers requiring whisper-quiet operation should explore 14+ SEER variable-stage units from Carrier or Trane instead.

4 Ton 13 SEER 96% AFUE 120,000 BTU Goodman Gas Fur
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Installation

Installation complexity rates moderate. The PVC/plastic exhaust flue requirement simplifies venting versus corrosion-prone metal alternatives, reducing install time and material cost. Refrigerant lines ship pre-charged for up to 50 feet, accommodating split configurations in larger homes. Electrical demands fall between 26.3 and 45 amp breaker sizing depending on compressor stage operation. Upflow/downflow configuration versatility helps fit existing ductwork layouts. Most seasoned HVAC crews complete installation in 4-6 hours.

Warranty & Reliability

The 10-year parts and labor warranty requires online registration but delivers solid protection against manufacturing defects. Coverage includes compressor, heat exchanger, and refrigerant circuit components. This exceeds many budget-tier systems offering 5-7 year limits. Homeowner-transferability after registration strengthens resale value. Extended plan availability through retailers can push coverage to 15 years if desired at purchase.

Specifications

SKUACIQ-48-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU48,000
Heating BTU120,000
RefrigerantR454B
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)76
Weight (in lbs)120.000000
FeatureSpec
AHRI Certificate Number7368842
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Energy StarNo
Burner StagesTwo
Fuel TypePropane, Natural Gas
Height30"
Width24.5"
Depth21"
ResourcesCAPT Installation Manual CAPT 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.
ReplacesGSX130483, GSX130484, GSX130485
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Line3/8"
Suction Line1 1/8"
Liquid Valve Size3/8"
Max Breaker Size45 amps
Min. Breaker Size26.3 amps
Tonnage5 Ton
Valve TypeSweat
StyleA-Coil
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

How does the 96% AFUE compare to my 10-year-old furnace? +
Older furnaces typically run 78-85% AFUE, wasting 15-22% of fuel energy. This unit's 96% efficiency recovers nearly all combustion heat, reducing heating costs 12-20% depending on climate and usage. A homeowner heating with natural gas in a cold climate saves $200-400 annually on average.
Does this system need special ductwork or installation changes? +
No major modifications required if your existing system is also 4-ton upflow. The PVC venting and standard refrigerant connections work with most contractor tools and fittings. Coil size matches the condenser, so you won't face compatibility issues that plague mismatched tonnage.
Why is this 13 SEER when others offer 14-16 SEER at the same tonnage? +
ACiQ prioritizes furnace efficiency and two-stage burner simplicity over cooling modulation. Higher SEER ratings require variable-capacity compressors and more complex controls, raising cost. This design targets heating-focused regions where cooling demand remains secondary to winter performance.
Is R454B refrigerant a problem or advantage? +
Advantage long-term. R454B meets EPA's latest low-global-warming-potential standards while remaining backward-compatible with most service tools. Systems still using R410A face potential phase-out restrictions after 2025, making R454B a future-proof choice for 15-year equipment lifespan.
What does the 10-year warranty actually cover if something breaks? +
Parts and labor on compressor, condenser coil, furnace heat exchanger, and refrigerant lines. Excludes wearable items like filters, blower motors after initial period, and damage from improper installation or maintenance. Registration is required within 90 days of purchase.

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