Independent Review · Updated June 2026

3.5 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal

Solid mid-range split system with 96% AFUE heating and 13 SEER cooling efficiency

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
3.5 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal
Current Price
$0
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// Bottom Line
This 3.5-ton system is ideal for homeowners upgrading mid-sized homes who want strong heating efficiency without premium pricing. The 96% AFUE furnace combined with 13 SEER cooling makes it a practical choice for moderate climates where heating costs matter year-round.

Review

The ACiQ 3.5-ton horizontal configuration represents a practical middle ground in HVAC equipment selection. Branded by Goodman, this split system combines a high-efficiency furnace with a solid-performing air conditioner coil. At the $0 price point listed, this appears to be either a promotional bundle or a pricing error that warrants verification with retailers. The system targets homeowners upgrading from older equipment who want measurable efficiency gains without stretching budgets.

Performance specifications reveal a well-balanced system for moderate climates. The furnace delivers 100,000 BTU with 96% AFUE, meaning 96 cents of every heating dollar converts to actual warmth. Cooling capacity is 42,000 BTU at 13 SEER1 rating. The variable-speed ECM motor automatically adjusts airflow up to 2000 CFM based on demand. Two-stage burner operation allows the furnace to run at partial capacity during mild weather, reducing cycling losses and noise. Single-stage cooling compression is the efficiency trade-off here compared to variable-capacity units.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency with two-stage burner design reduces heating costs significantly
  • 13 SEER rating meets Energy Star standards for respectable cooling efficiency
  • Variable-speed ECM blower motor with 2000 CFM maximum capacity optimizes comfort
  • Lightweight at 120 lbs and compact dimensions (34.5H x 21W x 28.75D inches) simplifies horizontal installation
  • Lifetime heat exchanger warranty plus 10-year parts coverage with online registration

Cons

  • Single-stage reciprocating compressor lacks modulation capability, less efficient than variable-capacity alternatives
  • 13 SEER is mid-tier, not competitive with modern 16+ SEER systems for cooling-heavy climates
  • 75 dB noise level is noticeably louder than premium units, may be audible in quiet spaces

Who Should Buy

Best For

Homeowners in mixed climates where heating load is substantial and who prioritize furnace efficiency should seriously consider this model. It works well for 2000-2500 square foot homes where the 3.5-ton capacity matches typical load calculations.

Consider Alternatives If

Skip this system if you live in hot climates where cooling dominates your energy use, or if you need the quietest operation possible for noise-sensitive installations.

3.5 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas F
$0
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Installation

This horizontal A-coil configuration fits tight spaces, particularly attics and utility closets. Electrical requirements are modest at 115V single-phase 60Hz with 23.9-amp minimum and 40-amp maximum breaker sizing, making it compatible with most home electrical panels. Refrigerant lines use standard 3/8-inch liquid and 7/8-inch suction copper with sweat-valve connections. Installation requires basic HVAC knowledge, though professional commissioning is strongly recommended for refrigerant charging and airflow verification.

Warranty & Reliability

Goodman backs the heat exchanger for the equipment's lifetime, a strong indicator of furnace durability and manufacturer confidence. Parts coverage extends 10 years with online registration, which protects against compressor or motor failure during a critical period. Registration takes minutes and is worth completing for coverage activation. This warranty structure is competitive but not exceptional compared to higher-tier brands offering 12-15 year parts coverage.

Specifications

SKUACIQ-4X-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU42,000
Heating BTU100,000
RefrigerantR410A
Electrical115 V. 1 Phase 60 Hz
WarrantyLifetime Heat Exchanger and 10 Years Parts with Online Registration
Decibel Level (dBA)75
Weight (in lbs)120.000000
FeatureSpec
Energy StarYes
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Line3/8"
Suction Line7/8"
Liquid Valve Size3/8"
Max Breaker Size40 amps
Min. Breaker Size23.9 amps
Tonnage3.5 Ton
Valve TypeSweat
Height34.5"
Width21"
Depth28.75"
ResourcesGoodman Brochure Goodman Install 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
StyleA-Coil
AHRI Certificate Number7368836
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
Burner StagesTwo
Fuel TypePropane, Natural Gas
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

What does 96% AFUE actually mean for my heating bills? +
AFUE measures furnace efficiency. At 96%, you lose only 4% of fuel energy to exhaust and flue losses. Running 42 million BTU through a heating season costs roughly 4% less than a 90% AFUE unit. Exact savings depend on your gas rates, local climate, and home insulation. Most homeowners see annual savings of $150-$250 upgrading from 80% systems.
Can I install this horizontally in my attic, or do I need a furnace professional? +
Horizontal installation is possible, but refrigerant charging, ductwork connections, and airflow balancing require EPA-certified technicians. DIY installation risks voiding your warranty and creating safety hazards. Budget $800-$1500 for professional installation including ductwork modifications and system startup.
How does 13 SEER compare to newer high-efficiency units? +
13 SEER meets current Energy Star minimums but trails newer 16-18 SEER systems by 20-30% cooling efficiency. In cooling-dominant climates, this gap increases your energy costs. However, for heating-focused regions, the superior 96% AFUE furnace component compensates significantly.
Is this system quieter than older window units or portable ACs? +
At 75 dB, this condenser unit is comparable to a household dishwasher. Modern high-efficiency units run at 70-72 dB. If noise matters for your installation location, consider units with variable-capacity compressors. Single-stage units cycle fully on and off, creating more audible transitions.
What exactly does the 10-year parts warranty cover? +
Parts coverage includes compressor, blower motor, capacitors, and control board failures. Heat exchanger is covered for life. Labor is not included, so repair costs still apply. Registration through Goodman's website activates this coverage automatically.

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