3.5 Ton 14 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This ACiQ 3.5 ton system delivers solid efficiency gains for homeowners upgrading from older equipment, especially those prioritizing heating performance with its 96% AFUE rating. Best suited for mixed climates where both heating and cooling matter equally.

Review

The ACiQ 3.5 ton gas furnace and air conditioner system represents a pragmatic efficiency upgrade for homeowners tired of aging equipment consuming premium utility dollars. This upflow-configured unit pairs a 120,000 BTU furnace with 42,000 BTU cooling capacity, delivering year-round climate control in a compact 30-inch footprint. ACiQ positions this unit as a middle-tier option, prioritizing solid performance and value over ultra-premium features. It's particularly relevant for contractors managing retrofit jobs where space constraints and budget parameters demand functional reliability without bleeding-edge technology.

Efficiency numbers tell the real story here. The 96% AFUE furnace rating means nearly all fuel converts to usable heat, substantially outperforming baseline 80% units common in pre-2005 homes. On the cooling side, the 14 SEER1 rating qualifies as Energy Star certified and delivers measurable summer savings, though it trails premium 16-18 SEER models. The two-stage burner modulates heating output for better comfort, while the multi-speed ECM blower adjusts airflow between 0-2000 CFM. This variable approach reduces cycling losses and runtime noise compared to fixed-capacity designs.

Pros & Cons

Pros

96% AFUE furnace efficiency reduces winter heating costs by 15-20% versus standard 80% units
14 SEER cooling rating exceeds Energy Star requirements and qualifies for rebates in most states
Two-stage burner and multi-speed ECM blower reduce runtime and noise compared to single-stage alternatives
PVC exhaust flue compatibility simplifies retrofit installations and lowers vent material costs
10-year warranty with online registration provides solid protection on compressor and parts

Cons

73 dB noise level runs louder than premium two-stage compressor units during operation
Single-stage compressor cannot modulate cooling capacity, limiting efficiency in mild weather months
5 ton cooling rating creates oversizing mismatch with 3.5 ton rating mentioned in title, creating confusion

Who Should Buy

Best For

Contractors and homeowners replacing 15-20 year old furnace-AC combos in northern or mixed climates where winter heating bills dominate. This system rewards proper ductwork and delivers measurable savings without premium pricing.

Consider Alternatives If

Buyers in consistently hot climates should seek variable-capacity units, and those with tight sound restrictions should evaluate higher-tier models with quieter compressors.

3.5 Ton 14 SEER 96% AFUE 120,000 BTU Goodman Gas F

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Installation

This upflow unit requires standard 115V single-phase 60Hz power with 22-35 amp breaker sizing, matching most residential panels without upgrades. The 3/8-inch liquid line and 7/8-inch suction line accept standard ACiQ/Goodman copper tubing and fittings. PVC exhaust venting simplifies installation versus traditional metal flue, reducing material costs and labor complexity. Professional HVAC installation remains essential to ensure proper ductwork sizing, refrigerant charge, and safety.

Warranty & Reliability

ACiQ backs this system with a 10-year warranty on parts and compressor when registered online within 60 days of installation. This coverage rivals many mid-tier manufacturers but falls short of extended 12-15 year warranties on premium brands. Online registration is mandatory to activate full protection, so buyers must document the purchase and submit paperwork promptly. Goodman's reputation for honoring warranty claims remains solid among contractors.

Specifications

SKU	ACIQ-4X-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	42,000
Heating BTU	120,000
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	24.5"
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	2000
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

Why does the spec list say 5 ton and 3.5 ton? +

The product title references 3.5 ton cooling, but specifications show 5 ton tonnage and 42,000 BTU cooling capacity. This indicates a potential data discrepancy. Verify actual tonnage with your supplier before ordering, as it affects sizing calculations and equipment selection.

Can I install this in a downflow configuration? +

Yes, this A-coil unit supports both upflow and downflow configurations, though the right-side flue location may limit some downflow placements. Consult the CAPF installation manual and verify available clearances before committing. Improper flue positioning creates safety and performance issues.

How much will this reduce my heating bills? +

A 96% AFUE furnace typically delivers 15-20% savings versus an 80% AFUE unit in northern climates with 5000+ heating degree days. Actual savings depend on insulation, ductwork efficiency, and thermostat programming. Homes with poor insulation won't see proportional gains regardless of furnace efficiency.

Is 14 SEER good enough to skip higher-efficiency models? +

14 SEER qualifies as Energy Star certified and captures most practical efficiency gains at a reasonable price point. Upgrading to 16-18 SEER costs 20-30% more but only saves 10-15% additional cooling dollars, making ROI longer. Choose 14 SEER unless your utility rebates significantly subsidize premium tiers.

What does the 10-year warranty actually cover? +

Full parts and compressor coverage for manufacturing defects with valid online registration. Labor, refrigerant, and service calls are the buyer's responsibility. Warranty claims require proof of installation date and professional service documentation.

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