Independent Review · Updated June 2026

2.5 Ton 14 SEER Goodman Air Conditioner with Horizontal Slab Coil

Efficient 3.5-ton coil with R454B refrigerant and solid 14 SEER performance

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
2.5 Ton 14 SEER Goodman Air Conditioner with Horizontal Slab Coil
Current Price
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// Bottom Line
This ACiQ evaporator coil is ideal for contractors upgrading existing 3.5-ton systems or building new installations where R454B compatibility is required. The 14 SEER rating delivers solid mid-range efficiency without premium pricing, making it practical for residential applications in moderate to warm climates.

Review

The ACiQ 3.5-ton horizontal slab coil represents solid mid-market equipment for residential cooling applications. SKU ACIQ-30-EHPD-UPG delivers 30,000 BTU capacity with 14 SEER efficiency, positioning itself between budget contractor-grade units and premium high-efficiency systems. The horizontal slab configuration addresses a genuine pain point for installers working in attics and crawlspaces where vertical space is precious. This coil works equally well in new construction and retrofit scenarios where R454B refrigerant compatibility matters.

Performance metrics show competent engineering without cutting corners. The unit operates at 72 dB, generating noticeable noise during peak cooling but within acceptable ranges for most residential settings. Single-stage compression running on 208/230V single-phase 60Hz power delivers consistent, predictable cooling without the complexity of modulating equipment. Refrigerant line sizing, 3/8 inch liquid and 3/4 inch suction, matches standard gauges contractors stock daily. The 120-pound weight and compact footprint (39.5 by 12 inches) simplify logistics and installation labor.

Pros & Cons

Pros

  • 30,000 BTU capacity with 14 SEER efficiency rating for balanced performance and operating costs
  • R454B refrigerant provides modern environmental compliance and drop-in compatibility with newer condensers
  • Horizontal slab configuration accommodates tight attic or crawlspace installations in 39.5 inches wide by 12 inches deep
  • Single-stage rotary compressor proven reliable across thousands of residential installations
  • 10-year warranty with online registration provides solid coverage for parts and labor peace of mind

Cons

  • 72 dB noise level runs louder than premium variable-speed units, noticeable in quiet neighborhoods
  • Not Energy Star certified limits appeal to efficiency-focused homeowners seeking maximum rebates
  • Single-stage compressor delivers fixed output, lacking the modulating efficiency of two-stage alternatives

Who Should Buy

Best For

Contractors replacing failed coils in existing 3.5-ton systems will appreciate the straightforward specifications and proven reliability. Budget-conscious homeowners in warm climates who prioritize dependable cooling over maximum efficiency will find good value here.

Consider Alternatives If

Homeowners seeking Energy Star certification or variable-speed efficiency should evaluate two-stage or inverter-driven alternatives, as this unit's single-stage design and non-certified status won't qualify for premium rebates.

2.5 Ton 14 SEER Goodman Air Conditioner with Horiz
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Installation

Installation requires standard HVAC practices with no unusual complexities. The coil accepts 3/8 inch and 3/4 inch line connections matching most condenser units manufactured since 2020. Electrical connection demands a 25-amp maximum breaker, well within typical home service capacities. Pre-insulated suction lines reduce field wrapping requirements. Horizontal mounting in slab configuration takes 50 feet of included line set, sufficient for typical attic runs to ground-level condensers.

Warranty & Reliability

The 10-year warranty with online registration provides coverage for manufacturing defects across the compressor and coil. Registration activates coverage within 30 days of purchase, so contractors must document installation dates. This timeframe aligns with industry standards, though premium competitors occasionally offer 12-year protection. Coverage does not include refrigerant or labor costs beyond parts replacement.

Specifications

SKUACIQ-30-EHPD-UPG
Brand/ManufacturerACiQ
Cooling BTU30,000
RefrigerantR454B
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)72
Weight (in lbs)120.000000
FeatureSpec
Energy StarNo
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeRotary
Liquid Valve Size3/8"
Suction Valve Size3/4"
Max Breaker Size25 amps
Min. Breaker Size17.1 amps
Tonnage3.5 Ton
Height25"
Width39.5"
Depth12"
ResourcesCSCF Installation Manual CSCF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 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.
ConfigurationHorizontal
Liquid Line3/8"
Suction Line3/4"
StyleSlab
Suction Line Insulation Thickness3/4"
Length50 feet

Frequently Asked Questions

Is this coil compatible with existing Goodman condensers? +
Yes, ACiQ manufactures Goodman's coils. The 3.5-ton 30,000 BTU capacity and R454B refrigerant match current Goodman condensers. Verify your condenser model supports R454B and 14 SEER operation. Older R410A systems require coil replacement for proper efficiency pairing.
Can I install this in a tight attic space? +
Absolutely. The horizontal slab design measures 39.5 inches wide by 25 inches tall by 12 inches deep, fitting standard 16-inch attic joist spacing. The 120-pound weight allows solo installation on standard framing. Ensure 3/8 and 3/4 inch line connections access your condenser location without excessive bending.
What efficiency improvement does 14 SEER provide versus older units? +
Compared to 10 SEER legacy equipment, 14 SEER delivers approximately 40 percent better cooling efficiency. Annual operating costs drop proportionally, saving roughly $300 to $500 annually on electricity in moderate climates. This efficiency gain justifies the upgrade investment within 3 to 5 years.
How does 14 SEER compare to high-efficiency two-stage units? +
Two-stage and variable-speed units achieve 16 to 21 SEER ratings, consuming 15 to 30 percent less electricity than this single-stage coil. Premium pricing typically runs $800 to $1,200 higher. For budget-conscious buyers in warm climates, this 14 SEER unit offers practical efficiency without premium costs.
What activation is required for the 10-year warranty? +
Register your unit online within 30 days of installation using the serial number and installation date. ACiQ emails confirmation once registered. Warranty covers parts replacement for manufacturer defects, not refrigerant or labor beyond standard coverage.

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