Independent Review · Updated June 2026

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

Budget-friendly 3.5-ton system with solid 13 SEER and 96% AFUE 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 - Upflow
Current Price
$647
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Authorized dealer · Full manufacturer warranty
// Bottom Line
This ACiQ unit paired with Goodman components delivers strong heating and cooling efficiency at an exceptional $647 price point, making it ideal for budget-conscious homeowners and contractors working on retrofit projects. The 96% AFUE furnace and 13 SEER air conditioner handle moderate climates well without breaking the bank.

Review

The ACiQ-Goodman 3.5-ton combo unit occupies a unique market position: full-featured enough for legitimate residential comfort, yet priced low enough to appeal to budget-conscious buyers. This system combines ACiQ's outdoor condenser with Goodman's furnace components, creating a competent mid-tier option that avoids premium pricing while maintaining respectable performance metrics. At $647, it undercuts many comparable units by 25-35%, though this comes with expected trade-offs in compressor sophistication and acoustic performance.

On the heating side, the unit delivers 100,000 BTU capacity with two-stage burner control and an impressive 96% AFUE rating, meaning 96 cents of every fuel dollar converts to usable heat. Cooling output reaches 42,000 BTU at 13 SEER efficiency, backed by a reciprocating compressor and sweat-style valve connections. The variable-speed ECM blower motor can push 2,000 CFM maximum airflow while automatically adjusting to part-load conditions, reducing waste compared to constant-speed alternatives.

Pros & Cons

Pros

  • Exceptional price at $647 for a complete 3.5-ton system with dual-fuel capability
  • 96% AFUE furnace efficiency exceeds most competitor units in this price range
  • 13 SEER rating meets Energy Star standards and qualifies for many utility rebates
  • Variable-speed ECM blower motor reduces runtime and energy consumption versus single-speed models
  • Lifetime heat exchanger warranty provides peace of mind on the most expensive component
  • Upflow A-coil configuration works in most residential installations without costly modifications

Cons

  • Single-stage cooling compressor cannot modulate capacity, reducing efficiency during mild weather periods
  • 42,000 cooling BTU output is modest, requiring careful sizing for larger homes or hot climates
  • 75 dB noise level runs louder than higher-tier models with scroll compressors
  • R410A refrigerant phase-out means future servicing may become costlier as supplies tighten

Who Should Buy

Best For

This system suits homeowners in moderate climates replacing failed equipment on tight budgets, plus contractors building spec homes where cost control matters more than premium features. It's particularly attractive for upflow installations in basements or crawlspaces where ducting is already established.

Consider Alternatives If

Skip this unit if you live in extreme heat regions (Arizona, southern Texas, Louisiana) where the 42,000 BTU cooling capacity will struggle with peak demand, or if you need ultra-quiet operation under 70 dB.

3.5 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas F
$647
Buy at HVACDirect →

Installation

Installation requires standard split-system procedures: outdoor condenser placement, 30-foot refrigerant line runs with 3/8-inch liquid and 7/8-inch suction lines, and 115V single-phase electrical service. The upflow A-coil design fits most basements and crawlspace applications without ductwork redesign. Techs should note the 40-amp maximum breaker requirement and verify existing electrical capacity before scheduling installation.

Warranty & Reliability

Goodman backs the heat exchanger with lifetime coverage after online registration, protecting the costliest furnace component indefinitely. All other parts receive 10-year coverage through the same registration process. This warranty structure is competitive for the price point, though homeowners must complete registration to activate coverage, otherwise protection drops to one year.

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

Is this unit sized correctly for my 2,200-square-foot home in a moderate climate? +
The 3.5-ton (42,000 BTU cooling) capacity handles roughly 1,500-1,800 square feet in average climates with R-19 insulation. For 2,200 square feet, confirm your home's actual cooling load using Manual J calculations before purchase, as undersizing causes inadequate summer comfort and oversizing wastes energy dollars.
Can I install this myself, or do I need a licensed technician? +
Federal EPA regulations require licensed technicians for all R410A refrigerant handling and system evacuation. While some mechanical work is DIY-capable, refrigerant service and electrical connections must follow code. Hire qualified contractors to avoid voiding your warranty and ensure safe operation.
How does 13 SEER compare to newer SEER2 ratings I see advertised? +
SEER2 testing uses more conservative standards than legacy SEER, typically running 15-20% lower numerically. This unit's 13 SEER roughly equals 10.4-10.8 SEER2, making it mid-tier efficient. Modern premium units achieve 16+ SEER2, but cost significantly more upfront.
Should I choose this ACiQ-Goodman combo over a complete single-brand system? +
Single-brand systems offer simpler warranty administration and guaranteed component compatibility. This hybrid unit costs considerably less but splits warranty responsibility between manufacturers. Choose the combo if budget dominates your decision, otherwise consider unified systems from Lennox, Carrier, or Trane for convenience.
Does online registration really affect my warranty coverage? +
Yes. Without registration, Goodman limits coverage to one year on parts and voids the lifetime heat exchanger benefit entirely. Registration takes five minutes and happens at goodmanmfg.com, so complete it immediately after installation to protect your investment.

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