Independent Review · Updated June 2026

Goodman 3.5 Ton 14 SEER 92% 100,000 BTU Furnace & AC System - R410A Downflow

Solid 14 SEER combo system with 92% efficiency and Energy Star rating

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
Goodman 3.5 Ton 14 SEER 92% 100,000 BTU Furnace & AC System - R410A Downflow
Current Price
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// Bottom Line
This ACiQ system is built for homeowners and contractors seeking a balanced HVAC solution without premium pricing. The 92% AFUE furnace and 14 SEER cooling deliver respectable efficiency across most climates, making it a practical choice for moderate-climate retrofits and new builds.

Review

The Goodman 3.5 Ton 14 SEER 92% 100,000 BTU furnace and AC system, branded through ACiQ, occupies the practical middle ground of residential HVAC equipment. It delivers reasonable efficiency gains without the premium pricing of modulating or variable-speed systems. The combination of 92% AFUE heating and 14 SEER cooling provides measurable energy savings compared to 10-13 year old equipment, and Energy Star certification signals compliance with national efficiency standards. This downflow configuration suits retrofit installations where space is limited.

Performance specs reveal a straightforward design optimized for reliability over sophistication. The furnace generates 42,000 BTU heating output at 92% efficiency, while the AC side delivers 41,000 BTU cooling capacity at 14 SEER. The scroll compressor operates at single stage, which means it runs at one speed rather than modulating capacity with demand. The multi-speed blower motor at 2,000 CFM maximum provides three-stage airflow adjustment, helping balance comfort and efficiency. Electrical requirements are modest at 208/230V single-phase with 24-40 amp breaker sizing.

Pros & Cons

Pros

  • 92% AFUE furnace efficiency exceeds many competitor units in the mid-range category
  • 14 SEER cooling with R410A refrigerant qualifies for Energy Star certification
  • PVC exhaust flue reduces installation complexity and cost versus high-efficiency models
  • Multi-speed blower motor provides comfort flexibility and better humidity control
  • 10-year warranty with online registration offers solid long-term protection

Cons

  • Single-stage compressor and burner limit modulation, reducing efficiency during partial-load operation
  • 74 dBA noise level is acceptable but noticeably louder than variable-speed competitors
  • Spec sheet inconsistency: listed as both 3.5 ton and 5 ton creates clarity issues

Who Should Buy

Best For

Homeowners in zones 4-5 replacing aged 10-13 SEER systems, or contractors managing tight project budgets without sacrificing Energy Star qualification. This system balances upfront cost with measurable utility savings over time.

Consider Alternatives If

Buyers in high-efficiency markets (zones 1-3), homes with noise sensitivity, or those needing variable-capacity cooling for extreme humidity control should evaluate 16+ SEER options.

Goodman 3.5 Ton 14 SEER 92% 100,000 BTU Furnace &
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Installation

Installation favors contractors and experienced DIYers. The downflow/horizontal configuration fits tight spaces like basements or attics. PVC exhaust flue requirements eliminate costly stainless steel venting, reducing material expenses and simplifying ductwork design. The unit dimensions (30 inches height, 21 inches width and depth) require standard roughin spacing. Refrigerant lines accommodate the supplied 50-foot suction line with 1/2-inch insulation, adequate for most residential runs without additional field insulation.

Warranty & Reliability

The 10-year parts and labor warranty activates upon online registration, providing solid baseline coverage. This matches mid-tier competitor offerings but trails premium brands offering 12-year protections. Registration is straightforward and recommended immediately after installation to establish the coverage timeline. Extended warranties are sometimes available through dealers, worth evaluating for properties with limited service access.

Specifications

SKUACIQ-4X-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU41,000
Heating BTU42,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)120.000000
FeatureSpec
Airflow DirectionDownflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE92%
Blower MotorMulti Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
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.
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 Size24 amps
Tonnage5 Ton
Valve TypeSweat
Liquid Line3/8"
Suction Line1 1/8"
StyleA-Coil
Suction Line Insulation Thickness1/2"
Length50 feet

Frequently Asked Questions

What's the actual difference between the listed 3.5 ton and 5 ton tonnage specifications? +
This spec sheet shows conflicting data, listing both 3.5 ton and 5 ton. Based on the 41,000 BTU cooling output, this is a 3.5 ton unit. Verify tonnage with your ACiQ dealer before ordering to ensure proper evaporator coil sizing and system matching.
Can this furnace handle downflow and upflow installation, or is it locked to one direction? +
The configuration lists both upflow and downflow capability, but the primary spec sheet emphasizes downflow operation. Consult installation manuals for your specific model to confirm whether conversion requires flue relocation or air intake repositioning.
How does 14 SEER compare to modern high-efficiency systems I'm seeing advertised? +
14 SEER represents solid mid-tier efficiency and qualifies for Energy Star rebates. Premium systems reach 16-21 SEER through variable-speed compressors and advanced controls, but cost significantly more. For moderate climates, 14 SEER delivers 20-30% savings versus 10 SEER legacy equipment.
Is R410A refrigerant still the right choice, or should I wait for newer alternatives? +
R410A remains standard and widely serviced, with abundant supply and technician familiarity. Newer low-GWP refrigerants are emerging but increase system costs. R410A is appropriate for new installations through 2030 based on current EPA regulations.
What happens after the 10-year warranty expires, and are parts still available? +
ACiQ, a Goodman-backed brand, maintains parts availability for 10-15 years post-production. After warranty expiration, repairs become out-of-pocket but remain affordable since components are common across Goodman product lines.

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