3.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This ACiQ 5-ton combo system delivers solid year-round efficiency for homes needing both strong cooling and premium heating. It's best for contractors seeking a reliable, efficient all-in-one solution without paying for high-end variable-stage components.

Review

The ACiQ 5-ton combo system represents the practical middle ground for residential HVAC. Pairing a 100,000 BTU, 96% AFUE gas furnace with a 42,000 BTU cooling condenser, this upflow configuration handles most single-family homes efficiently. The Energy Star certification signals solid engineering, while the scroll compressor and ECM blower provide modern features without excessive complexity. Contractors appreciate straightforward systems that perform reliably across varying load conditions.

Performance metrics tell a balanced story. The furnace delivers 96% AFUE, converting nearly all fuel to usable heat, while the air conditioning side hits 14 SEER1 with R410A refrigerant. The multi-speed ECM blower reaches 1,600 CFM maximum, allowing better airflow matching than older fixed-speed units. At 73 dB during operation, sound levels are acceptable but noticeable. The system operates on standard 115V single-phase power, requiring 22 to 35 amp breaker sizing depending on installation specifics.

Pros & Cons

Pros

96% AFUE furnace efficiency matches or beats most mid-tier gas systems on the market
14 SEER1 cooling with scroll compressor provides reliable single-stage operation
Multi-speed ECM blower motor delivers up to 1,600 CFM with better control than fixed-speed alternatives
Energy Star certified, lowering operating costs over the system's lifespan
Compact A-coil footprint at 30 inches height fits tight upflow installations

Cons

Single-stage compressor means less precise cooling modulation than two-stage or variable systems
73 dB noise level is noticeable, particularly during full-capacity cooling runs
No variable refrigerant flow capability limits efficiency at partial loads

Who Should Buy

Best For

Homeowners and contractors in mixed climates needing dependable heating and cooling without premium pricing. This system suits homes where 14 SEER cooling meets local efficiency codes and 96% AFUE heating is the priority.

Consider Alternatives If

Anyone in extreme heat climates wanting variable-stage cooling, or customers prioritizing ultra-quiet operation should look at two-stage or inverter-driven alternatives.

3.5 Ton 14 SEER 96% AFUE 100,000 BTU Goodman Gas F

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Installation

Installation demands standard HVAC practices. The upflow A-coil design accepts both upflow and horizontal mounting, fitting basement, attic, or closet installations. Suction and liquid lines measure 7/8 inch and 3/8 inch respectively, with up to 30 feet of suction line insulation at 3/8 inch thickness. PVC flue exhaust is required, simplifying venting through modern plastic ducting. Professional installation is essential for proper refrigerant charging and gas line safety.

Warranty & Reliability

ACiQ includes a 10-year parts warranty when registered online, covering manufacturing defects across both heating and cooling components. This represents standard protection for mid-tier systems. Online registration is straightforward but mandatory for the full term. Coverage excludes wear items, damage from improper installation, and maintenance lapses.

Specifications

SKU	ACIQ-4X-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	42,000
Heating BTU	100,000
Refrigerant	R410A
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	73
Weight (in lbs)	120.000000
Feature	Spec
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	35 amps
Min. Breaker Size	22 amps
Tonnage	5 Ton
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.
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Multi-Speed - ECM
Maximum CFM	1600
Configuration	Upflow / Downflow
Flue Location	Right
Burner Stages	Two
Fuel Type	Gas
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/8"
Length	30 feet

Frequently Asked Questions

How does 14 SEER1 cooling compare to newer SEER2 ratings? +

SEER1 typically equates to roughly 12-13 SEER2 under stricter testing. The 14 SEER1 rating here meets efficiency codes in most regions and reduces cooling costs meaningfully versus older 10-11 SEER equipment. It won't match 16+ SEER2 systems, but pricing reflects this difference fairly.

Can this system connect to an existing ductwork set up for a 3.5-ton unit? +

The specs show 5-ton capacity with 1,600 CFM maximum airflow. Undersized ducts may restrict airflow, reducing efficiency and comfort. Professional ductwork evaluation is essential. Upgrading ducts typically costs $500-1,500 but ensures proper system performance and warranty compliance.

What makes the 96% AFUE furnace more efficient than standard models? +

96% AFUE means 96 cents of every fuel dollar converts to heat, with only 4% lost up the flue. Advanced heat exchangers and two-stage burners achieve this. Compared to 80% AFUE systems common 15 years ago, you'll save 15-20% annually on heating fuel costs.

Is the scroll compressor better than reciprocating designs? +

Scroll compressors run smoother, quieter, and more reliably than reciprocating alternatives, with fewer moving parts. They handle dirty refrigerant circuits better and last longer typically. The trade-off is slightly higher initial cost, but durability and efficiency justify it for most buyers.

Does the 10-year warranty cover labor costs? +

No. The warranty covers parts only. Labor is the customer's responsibility. Registration activates the full 10-year term. Check your installer's labor guarantee separately, as many offer 1-5 year workmanship warranties.

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