4 Ton 14 SEER Goodman Air Conditioner with Vertical 21" Uncased Coil Review 2026

// Bottom Line

This ACiQ 4-ton condenser paired with a Goodman vertical coil works well for contractors building budget-conscious systems in moderate climates. It delivers solid SEER1 14 efficiency without Energy Star certification, making it ideal for replacement jobs and new construction where initial cost matters.

Review

The ACiQ 4-ton condenser with Goodman vertical coil represents a practical midpoint in the residential cooling market. This unit combines an entry-level SEER1 14 efficiency rating with modern R454B refrigerant technology, positioning it as a value option for contractors and homeowners unwilling to spend premium pricing on higher-tier equipment. The pairing of a proven Goodman evaporator coil with an ACiQ condenser creates a system that prioritizes reliability and affordability over cutting-edge efficiency metrics.

Performance specifications reflect a straightforward approach to cooling delivery. The unit moves 48,000 BTU of cooling capacity using a scroll compressor operating as a single-stage fixed-speed design. Electrical requirements sit at 208/230V single phase 60 Hz with a 26.4 to 45-amp breaker range, fitting standard residential installations. The 74 dB noise level is moderate for outdoor condenser equipment, neither exceptional nor problematic for typical backyard placement. R454B refrigerant ensures compatibility with future regulatory changes affecting traditional refrigerants.

Pros & Cons

Pros

SEER1 14 efficiency rating provides meaningful cooling performance without premium pricing
R454B refrigerant is low-GWP and future-proof for tightening EPA regulations
Scroll compressor design offers reliability and quiet operation at 74 dB
Vertical 21-inch uncased coil fits tight attics and upflow applications effectively
10-year parts warranty with online registration covers manufacturer defects

Cons

Not Energy Star certified, limiting appeal for efficiency-focused homeowners
Single-stage compressor cannot modulate capacity, wasting energy during partial load conditions
74 dB noise level is moderate, not ideal for noise-sensitive installations
Requires 26.4 to 45-amp breaker sizing, limiting some electrical configurations

Who Should Buy

Best For

Contractors installing replacement systems in homes with existing ductwork and moderate cooling demands, or builders completing new construction where upflow configuration fits the layout. Homeowners in temperate regions who prioritize upfront cost savings over premium efficiency ratings.

Consider Alternatives If

Energy-conscious buyers seeking SEER2 ratings or Energy Star certification, or homeowners in hot climates needing variable-capacity cooling to minimize operating costs.

4 Ton 14 SEER Goodman Air Conditioner with Vertica

Buy at HVACDirect →

Installation

Installation straightforward for experienced HVAC techs. The vertical 21-inch A-coil configuration handles both upflow and downflow applications, adapting to most attic spaces. Liquid line diameter is 3/8-inch and suction line 7/8-inch, with 30 feet of pre-insulated suction line included. Standard connection to existing or new ductwork requires no special modifications. Electrical work involves proper breaker sizing between 26.4 and 45 amps depending on load calculations.

Warranty & Reliability

10-year parts warranty requires online registration at purchase to activate full coverage. This warrants manufacturer defects in compressor and internal components, though excludes wear items and installation damage. Coverage provides reasonable peace of mind for residential applications, though does not include labor costs for repair visits. Homeowners should register immediately after installation to avoid voiding protection.

Specifications

SKU	ACIQ-48-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	48,000
Refrigerant	R454B
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
Energy Star	No
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	45 amps
Min. Breaker Size	26.4 amps
Tonnage	4 Ton to 5 Ton
Height	28"
Width	20"
Depth	20 1/8"
Resources	CAUF Installation Manual CAUF 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.
Configuration	Upflow / Downflow
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 SEER1 14 compare to newer SEER2 ratings? +

SEER1 and SEER2 use different testing methods, so direct comparison is invalid. SEER2 14 roughly equals SEER1 10-11. This unit's SEER1 14 provides solid efficiency for budget applications without premium cost. If Energy Star SEER2 certification matters to you, choose higher-tier units from other manufacturers.

Will this coil fit my existing furnace and ductwork? +

The vertical 21-inch uncased A-coil fits standard attics and works with most furnaces rated 4-5 tons. Measure your attic space and verify furnace compatibility with your HVAC contractor before ordering. The 30-foot pre-insulated suction line provides flexibility for most residential installations without additional line set purchases.

Does R454B refrigerant cost more to service than R410A? +

R454B pricing is comparable to R410A currently, though future supply dynamics may shift costs. R454B's low global warming potential future-proofs your system against EPA restrictions targeting higher-GWP refrigerants. Service availability is strong with most trained technicians equipped to handle R454B systems.

Is ACiQ a reliable brand compared to Goodman or Lennox? +

ACiQ manufactures competent condensers with solid scroll compressor design. While less recognizable than Goodman brand units, the company maintains respectable reliability. Pairing with a Goodman coil creates a hybrid system combining component strengths, though warranty claims may involve coordinating between manufacturers.

Does the 10-year warranty cover labor if the compressor fails? +

The warranty covers parts only, not labor or service calls. You pay technician time to diagnose, remove, and install replacement components. Budget $500-1,500 for compressor failure labor depending on your region and contractor rates.

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