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

// Bottom Line

This 3.5-ton ACiQ system is ideal for homeowners upgrading older furnaces in moderate climates where heating demands are significant. The 96% AFUE furnace paired with a 14 SEER air conditioner delivers solid year-round performance without the premium pricing of top-tier brands.

Review

ACiQ's 3.5-ton gas furnace and air conditioner combo positions itself as the practical middle ground between budget equipment and premium brand names. This upflow-configured system combines a 120,000 BTU furnace with a 42,000 BTU air conditioning capacity in a compact 30-inch cabinet that fits standard return plenums. The SKU ACIQ-4X-EHPD-UPG carries AHRI Certificate 7368842, confirming factory-matched components and rated performance.

The 96% AFUE rating represents genuine high-efficiency heating, translating to approximately 4 BTU of waste heat per 100 BTU burned compared to 10 BTU for 90% models. The two-stage burner modulates between 40% and 100% capacity, maintaining more stable temperatures. On cooling, 14 SEER delivers respectable efficiency through a scroll compressor, though the single-stage design cannot reduce capacity on mild days. The variable-speed ECM blower adjusts airflow between 0 and 2,000 CFM based on heating or cooling demand.

Pros & Cons

Pros

96% AFUE furnace efficiency reduces natural gas consumption by 4-6% annually compared to 90% AFUE models
Variable-speed ECM blower motor delivers better comfort and quieter operation across different seasons
Two-stage burner modulates heating output, avoiding temperature swings and reducing short-cycling
14 SEER air conditioner meets modern efficiency standards without requiring premium refrigerant upgrades
PVC exhaust flue compatibility lowers installation costs compared to steel requirements
10-year warranty with online registration provides meaningful protection on major components

Cons

73 dB sound level is louder than premium variable-speed competitors running at 71 dB or lower
Single-stage condenser means cooling cannot modulate, reducing efficiency in mild weather
No Energy Star certification, which eliminates potential utility rebates in some jurisdictions
ACiQ brand recognition lags behind Goodman or Carrier, impacting resale perception

Who Should Buy

Best For

Homeowners in cold-climate regions seeking solid heating efficiency and willing to prioritize furnace performance over air conditioning. This system makes sense for those upgrading from 80-90% AFUE units where heating bills represent 60% of annual HVAC costs.

Consider Alternatives If

Anyone in hot climates where cooling dominates should look at dual-stage compressor systems, and buyers seeking Energy Star certification should explore alternatives.

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

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Installation

Installation requires 208-230V single-phase power with 22-35 amp breaker capacity, standard in most homes. PVC exhaust venting simplifies routing compared to steel alternatives, reducing material costs by approximately 30%. The A-coil design requires proper airflow orientation, and technicians must ensure adequate clearance for the 24.5-inch width. Suction line insulation at 3/8-inch thickness prevents refrigerant degradation, requiring careful wrapping during outdoor line runs up to 30 feet.

Warranty & Reliability

ACiQ provides 10-year coverage on compressor, coil, and cabinet defects when registered online within 30 days. This duration matches industry standards but excludes labor, which contractors charge separately. The Goodman evaporator coil carries its own warranty terms documented in provided resources. Registration is non-negotiable, so homeowners must complete this step to activate coverage.

Specifications

SKU	ACIQ-4X-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	42,000
Heating BTU	120,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	73
Weight (in lbs)	120.000000
Feature	Spec
AHRI Certificate Number	7368842
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	96%
Blower Motor	Variable Speed - ECM
Maximum CFM	2000
Configuration	Upflow / Downflow
Energy Star	No
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Height	30"
Width	24.5"
Depth	21"
Resources	CAPT Installation Manual CAPT 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.
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
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/8"
Length	30 feet

Frequently Asked Questions

How much will this furnace cost to operate annually? +

At 96% AFUE, a system running 1,200 hours yearly in a moderate climate consumes approximately 125,000 BTU per hour at full stage, costing roughly $1,200-1,500 annually depending on natural gas rates. The two-stage burner reduces consumption in mild periods, improving seasonal performance. Compare this to 90% AFUE systems costing 5-6% more per heating season.

Can this furnace use both natural gas and propane? +

Yes, the system accepts both fuels, but it ships configured for one type. Conversion requires changing the burner orifice and regulator settings by a licensed technician. This flexibility works well for properties switching fuel sources or building in areas with supply constraints. Never attempt fuel conversion without manufacturer guidance.

Why is the tonnage listed as 5 tons when the heading says 3.5 tons? +

The 5-ton rating refers to the condenser's nameplate capacity, while 3.5 tons represents the matched system output. This mismatch suggests the coil was oversized for multi-unit applications or represents a spec error. Verify AHRI Certificate 7368842 to confirm actual matched tonnage before installation to prevent efficiency loss.

How does this compare to Goodman's equivalent GSX and GMEC systems? +

ACiQ occupies a middle tier, offering comparable 96% AFUE and 14 SEER ratings at lower pricing but with less field service support. Goodman systems typically command 10-15% higher prices due to brand recognition and deeper dealer networks. Both use similar scroll compressors and variable-speed motors, making performance nearly equivalent in real-world operation.

What if something fails during the warranty period? +

Coverage includes parts replacement for compressor, coil, and cabinet defects. Labor and service calls are not covered, so buyers pay $150-300 per technician visit. Online registration within 30 days is mandatory. Review specific terms in the CAPT Specifications Sheet before purchase to understand exact exclusions.

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