Goodman 3.5 Ton 14 SEER 80% 100,000 BTU Furnace & AC System - R410A Upflow Review 2026

// Bottom Line

This Goodman 3.5 ton system is ideal for homeowners upgrading from older equipment who want proven reliability without premium pricing. The 14 SEER rating delivers strong cooling efficiency, while the 80% AFUE furnace handles heating adequately for moderate climates. Best suited for straightforward installations in existing single-stage systems.

Review

The Goodman 3.5 ton packaged system combines an 80% AFUE furnace with a 14 SEER air conditioner in one upflow unit, making it a common choice for straightforward residential replacements. ACiQ's engineering keeps this system accessible to budget-conscious homeowners and contractors seeking proven performance without cutting-edge technology. The R410A refrigerant standard and metal flue configuration fit most existing installations, positioning this as a practical upgrade path from aging equipment.

This system delivers 42,000 BTU of heating and 41,000 BTU of cooling through a single-stage scroll compressor and single-stage burner. The multi-speed PSC blower motor reaches 2,000 CFM maximum airflow, supporting effective distribution through typical residential ductwork. At 14 SEER and 80% AFUE, the system qualifies for ENERGY STAR certification, though single-stage operation means efficiency dips noticeably when running below full capacity on mild days.

Pros & Cons

Pros

14 SEER rating meets ENERGY STAR standards with solid cooling efficiency at 41,000 BTU capacity
80% AFUE furnace provides respectable heating performance at 42,000 BTU output for gas systems
Multi-speed PSC blower motor offers better comfort control than fixed-speed alternatives
R410A refrigerant is widely supported by technicians and readily available
10-year warranty with online registration covers major components and provides peace of mind

Cons

Tonnage mismatch in specs (listed as 5 ton but cooling/heating BTU suggest 3.5 ton) creates confusion
Single-stage compressor and burner lack modulation, resulting in less efficient operation at partial loads
74 dB noise level is moderately loud and may be noticeable in quiet settings

Who Should Buy

Best For

Contractors and homeowners replacing 10+ year old systems who prioritize affordability over premium efficiency features. This system works well for moderate climates where single-stage heating and cooling meet average seasonal demands without excessive cycling.

Consider Alternatives If

Buyers in harsh climates needing maximum heating capacity, or those seeking variable-speed technology and SEER ratings above 15 should look at higher-tier Goodman or competitor options.

Goodman 3.5 Ton 14 SEER 80% 100,000 BTU Furnace &

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Installation

This upflow unit measures 30 inches tall by 21 inches wide and deep, fitting most utility closets and basements designed for standard equipment. Requires 208/230V single-phase 60Hz power with 24 to 40 amp breaker sizing. The sweat valve connections use standard 3/8 inch liquid and 1 1/8 inch suction lines with 1/2 inch insulation. Metal flue exhaust and proper combustion air availability are mandatory requirements before installation.

Warranty & Reliability

The 10-year parts warranty applies upon online registration, covering the compressor, heat exchanger, and other major components. This is standard for Goodman equipment and provides reasonable protection for typical homeowner use. Labor and refrigerant charges fall outside warranty scope, so budget accordingly for service calls beyond the registration period.

Specifications

SKU	ACIQ-4X-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	41,000
Heating BTU	42,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	120.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Multi Speed - PSC
Maximum CFM	2000
Configuration	Upflow / Downflow
Flue Location	Top
Burner Stages	Single
Fuel Type	Gas
Height	30"
Width	21"
Depth	21"
Resources	CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety Information	PROPOSITION 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 Features	Rebate Available
Energy Star	Yes
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	40 amps
Min. Breaker Size	24 amps
Tonnage	5 Ton
Valve Type	Sweat
Liquid Line	3/8"
Suction Line	1 1/8"
Style	A-Coil
Suction Line Insulation Thickness	1/2"
Length	50 feet

Frequently Asked Questions

Why does the spec sheet list 5 ton when this is a 3.5 ton system? +

This appears to be a data entry error in the specifications. The 41,000 BTU cooling and 42,000 BTU heating capacities clearly indicate 3.5 ton equipment, not 5 ton. Verify tonnage directly with Goodman documentation or your supplier before ordering to ensure proper sizing for your home's load calculations.

Can this unit handle downflow installation even though it's listed as upflow? +

Yes, the configuration specs indicate upflow and downflow capability. However, downflow conversion requires proper flue venting modifications and different ductwork positioning. Work with a licensed installer to confirm your specific application meets code requirements for flue location and combustion air intake in downflow configuration.

How does 14 SEER compare to newer systems on the market? +

14 SEER is solid mid-range efficiency, roughly 15 to 20 percent better than older 10-12 SEER units. However, newer systems reach 16-20+ SEER with variable-speed compressors and advanced controls. If your electricity costs are high or you plan 15+ year ownership, a higher-SEER system may offer better long-term savings despite higher upfront cost.

Is the multi-speed blower motor significantly better than fixed-speed? +

Yes, multi-speed PSC motors allow the system to operate at reduced fan speed during mild weather, improving comfort and modestly lowering energy use compared to always-on fixed-speed designs. It's not equivalent to modern ECM variable-speed motors, but it's a meaningful step up in system responsiveness and comfort control.

Does the 10-year warranty cover everything? +

The 10-year warranty covers the compressor, heat exchanger, and major parts after online registration. Labor, refrigerant, capacitors, and other wear items are typically excluded. Always review the full warranty document before purchase to understand exact coverage limits and claim procedures.

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