2.5 Ton 13 SEER Goodman Air Conditioner with Horizontal Slab Coil Review 2026

// Bottom Line

This ACiQ unit is ideal for contractors and homeowners replacing older systems on a budget without sacrificing efficiency. The 13 SEER rating meets current standards, and the horizontal slab configuration works well in tight installation spaces like attics or crawlspaces.

Review

The ACiQ 2.5-ton condenser with horizontal slab coil occupies a practical middle ground in the residential cooling market. Branded as a Goodman alternative, this unit delivers solid performance without the premium price tag. Its 30,000 BTU capacity and modern R454B refrigerant make it a sensible choice for homeowners upgrading aging equipment. The horizontal slab design particularly appeals to contractors dealing with space constraints in attics or tight mechanical rooms.

Performance specifications show 13 SEER1 efficiency and a single-stage reciprocating compressor running on 208/230V single-phase power. The 73 dB noise level is acceptable but noticeable during peak operation. Electrical requirements are modest, needing 16.7 to 25-amp breaker sizing, making retrofits straightforward on existing residential panels. The 3/8-inch liquid line and 3/4-inch suction line with included 50-foot insulation simplify field installations without custom fabrication.

Pros & Cons

Pros

13 SEER efficiency rating meets 2023 DOE minimum requirements for most regions
R454B refrigerant provides future-proof compatibility without major system redesigns
Horizontal slab design fits tight spaces where upright units won't work
30,000 BTU cooling capacity perfect for 2.5 to 3-ton system replacements
10-year warranty with online registration covers manufacturing defects
Single-stage reciprocating compressor is proven, simple to service, and widely supported

Cons

73 dB noise level runs louder than variable-speed competitors, noticeable during peak cooling
No ENERGY STAR certification limits rebate eligibility in efficiency-focused programs
Single-stage operation means less granular cooling control and higher short-cycle risk on mild days

Who Should Buy

Best For

Residential contractors managing equipment replacement budgets and homeowners in moderate climates seeking straightforward cooling without premium pricing. This unit works especially well for new construction or retrofit projects where space constraints demand a horizontal slab configuration.

Consider Alternatives If

Buyers in extremely hot climates needing maximum efficiency should consider 14 SEER or higher models, and noise-sensitive installations near bedrooms or patios require quieter alternatives.

2.5 Ton 13 SEER Goodman Air Conditioner with Horiz

Buy at HVACDirect →

Installation

Installation complexity is low to moderate. Sweat-type valve connections require basic soldering skills or licensed technician involvement. Pre-insulated suction lines reduce field work, and 208/230V single-phase power matches standard residential electrical. The 120-pound weight is manageable for two-person roof or attic installation. No special mounting hardware required for horizontal positioning.

Warranty & Reliability

The 10-year comprehensive warranty requires online registration and covers manufacturing defects in the condenser unit itself. Labor is not included, so repair costs depend on your service agreement. This duration matches industry standards and provides solid peace-of-mind for equipment costing under $2,000 to $3,000 installed.

Specifications

SKU	ACIQ-30-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	30,000
Refrigerant	R454B
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
Energy Star	No
SEER1 (Efficiency)	13
Condenser Stages	Single Stage
Compressor Type	Reciprocating
Liquid Line	3/8"
Suction Line	3/4"
Liquid Valve Size	3/8"
Max Breaker Size	25 amps
Min. Breaker Size	16.7 amps
Tonnage	3 Ton
Valve Type	Sweat
Height	25"
Width	33.5"
Depth	12"
Resources	CSCF Installation Manual CSCF 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	Horizontal
Style	Slab
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Will this 3-ton condenser work with my existing 2.5-ton evaporator coil? +

ACiQ rates this 30,000 BTU unit as compatible with 2.5 to 3-ton systems. However, oversizing slightly (3-ton condenser with 2.5-ton evaporator) can reduce efficiency and cause short-cycling. Consult the CSCF specifications sheet or contact ACiQ support to confirm your exact coil match before purchase.

What's the difference between horizontal slab and standard upright condenser configurations? +

Horizontal slab units mount flat on roofs or in attics where upright models won't fit. They require different clearance and airflow planning but save headroom in low-clearance spaces. Slab models generally cost slightly more and require careful vibration isolation to minimize noise transmission into living areas.

How does 13 SEER compare to newer 14+ SEER models on my utility bills? +

A 1-SEER jump typically reduces cooling costs 8 to 10 percent regionally. Across a summer, expect $100 to $200 annual difference depending on climate and usage. For budget-conscious buyers, 13 SEER still qualifies for many regional incentives and meets code minimums nationwide.

Is R454B refrigerant better than the older R22 or R410A my current system uses? +

R454B offers lower global warming potential than R410A while maintaining efficiency and compatibility with modern oils. It requires completely dry systems and sealed connections, but new equipment ships ready for this standard. No existing R410A systems can be retrofitted with R454B due to different pressures and chemical properties.

Does this unit qualify for federal or state energy rebates? +

No ENERGY STAR certification limits federal tax credits or utility rebates tied to that label. Check your local utility provider for non-ENERGY STAR rebate programs. Many regions offer smaller incentives for any 13+ SEER installation regardless of certification status.

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