Independent Review · Updated June 2026

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

High-efficiency combo system at contractor pricing, though specs show some inconsistencies.

7.5
IndustrialRank Score
Efficiency
8.5
Reliability
7.5
Value
8.2
Installation
7.8
Warranty
7.5
3 Ton 13 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
$647
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This ACiQ system delivers solid efficiency with a 96% AFUE furnace and 13 SEER air conditioner at an unusually low price point, making it attractive for budget-conscious contractors and homeowners. Best suited for mild to moderate climates where single-stage cooling is acceptable and upflow installation fits the home's layout.

Review

The ACiQ 3.5 ton upflow system occupies an unusual market position: it's a legitimate combo unit at pricing that undercuts most competitors, yet carries some confusing specifications. This 36,000 BTU air conditioner pairs with a 100,000 BTU furnace, making it better suited to heating-dominant climates. The system carries Energy Star certification and uses modern R454B refrigerant, positioning it as environmentally responsible without premium costs.

Efficiency numbers are genuinely impressive for the price tier. The furnace delivers 96% AFUE across two burner stages, and the air conditioner achieves 13 SEER1 rating with a single-stage reciprocating compressor. The variable-speed ECM blower motor handles up to 2000 CFM, allowing the system to adapt airflow based on heating or cooling demand. However, single-stage cooling means the compressor runs at full capacity or not at all, lacking the efficiency advantage of variable-capacity systems in mild weather.

Pros & Cons

Pros

  • 96% AFUE furnace efficiency matches premium brands, reducing heating costs significantly
  • 13 SEER cooling efficiency qualifies for Energy Star certification and many utility rebates
  • Variable speed ECM blower motor adjusts airflow from 0 to 2000 CFM for comfort and efficiency
  • Two-stage burner allows furnace to run at reduced capacity during mild weather, saving fuel
  • R454B refrigerant is low-GWP and environmentally responsible compared to older R410A systems
  • 10-year warranty with online registration covers both heating and cooling components

Cons

  • Single-stage compressor cannot modulate cooling capacity, cycling on and off rather than ramping up and down for efficiency
  • 74 dB noise level is moderately loud for an outdoor condenser, noticeable during operation
  • Product title claims 100,000 BTU furnace but specs show 3.5 ton cooling at only 36,000 BTU, creating heating/cooling mismatch
  • Reciprocating compressor is older technology compared to scroll compressors in competing systems
  • No SEER2 rating listed, only SEER1, making direct comparison with newer products difficult

Who Should Buy

Best For

Contractors seeking affordable combo systems for residential retrofit installations in regions with moderate heating and cooling loads will appreciate the pricing and 96% AFUE efficiency. Homeowners in mixed climates who can live with single-stage cooling and prioritize heating efficiency will find strong value here.

Consider Alternatives If

Skip this system if you need high-efficiency cooling (consider 14+ SEER), operate in hot climates where AC runs constantly, require quiet operation below 72 dB, or need variable-capacity cooling for maximum comfort.

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

Installation

Upflow/horizontal configuration fits attic or closet installations with 30 inch height clearance. Requires plastic PVC exhaust flue and standard 115V single-phase 60Hz power, with breaker sizing between 19.1 and 30 amps. Refrigerant lines use standard 3/8 inch liquid and 7/8 inch suction connections with 3/8 inch insulation thickness. Professional installation strongly recommended for proper charging and ductwork integration.

Warranty & Reliability

10-year parts warranty covers both furnace and air conditioner when you register online, eliminating the need to pay extra for extended coverage. This matches industry standard for mid-tier equipment. Registration is straightforward and unlocks the full coverage period. Labor costs remain buyer responsibility, but the parts protection provides solid financial security for system replacement scenarios.

Specifications

SKUACiQ-36-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU36,000
Heating BTU100,000
RefrigerantR454B
Electrical115 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
ReplacesGSX130362, GSX130363, GSX130365
Energy StarYes
SEER1 (Efficiency)13
Condenser StagesSingle Stage
Compressor TypeReciprocating
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size30 amps
Min. Breaker Size19.1 amps
Tonnage3.5 Ton
Valve TypeSweat
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 Number7368836
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Product FeaturesRebate Available
Furnace Efficiency / AFUE96%
Blower MotorVariable Speed - ECM
Maximum CFM2000
ConfigurationUpflow / Downflow
Burner StagesTwo
Fuel TypePropane, Natural Gas
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

Why does the product title say 100,000 BTU but specs show 36,000 BTU cooling? +
The 100,000 BTU refers to furnace heating capacity, while 36,000 BTU is the air conditioner's cooling output. This 3.5 ton system is heating-heavy, better for regions requiring more winter capacity than summer cooling. Verify this matches your climate's actual heating/cooling load ratio before purchasing.
Can this system fit in an attic or basement? +
Yes, the upflow configuration with 30 inch height works in attics and basement closets. Requires PVC exhaust flue access and adequate clearance around the 21 inch width and depth. Horizontal installation is also possible depending on your ductwork layout, though upflow is the primary design.
How does 13 SEER compare to newer high-efficiency systems? +
13 SEER1 is solid mid-tier cooling efficiency and qualifies for Energy Star rebates, but newer systems hit 14-16+ SEER2 ratings. The difference becomes meaningful in hot climates running AC 8+ hours daily. For moderate climates, 13 SEER offers reasonable efficiency without premium costs.
Is reciprocating compressor technology reliable? +
Reciprocating compressors are proven, time-tested designs with decades of field history. They're less efficient than scroll compressors but typically more serviceable and affordable to repair. This system uses established technology rather than cutting-edge, which favors longevity over peak efficiency.
Does the 10-year warranty require anything beyond online registration? +
Online registration is the only requirement to activate full 10-year coverage. No additional payments needed. Keep your purchase receipt and AHRI certificate number (7368836) handy for warranty claims, and ensure professional installation for coverage validity.

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