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

// Bottom Line

This ACiQ unit delivers dependable cooling for contractors seeking cost-effective replacement condensers on tight budgets. The 13 SEER rating meets current efficiency standards without premium pricing, making it ideal for mid-range residential retrofits where performance and affordability matter equally.

Review

The ACiQ 3-ton horizontal slab coil condenser occupies a practical middle ground in the Goodman product ecosystem. Rated at 36,000 BTU with 13 SEER1 efficiency, this unit replaces legacy models GSX130362, GSX130363, and GSX130365. It's engineered for contractors who need reliable cooling without premium pricing. The horizontal slab configuration works well in attics and crawlspaces where traditional vertical units prove problematic.

Performance specs reveal a straightforward, no-frills approach. The single-stage reciprocating compressor cycles on and off rather than modulating, which keeps costs down but sacrifices the graduated comfort control of variable-speed designs. At 74 dB, the unit generates audible noise during operation, comparable to many entry-level air conditioners. The R454B refrigerant reflects current environmental standards, though technicians should verify system compatibility before installation.

Pros & Cons

Pros

36,000 BTU capacity handles most single-family 3-ton applications effectively
13 SEER1 efficiency meets minimum federal standards while keeping acquisition costs down
R454B refrigerant ensures compliance with current EPA regulations and future-proofs the system
Reciprocating compressor design is proven reliable and field-serviceable by most HVAC technicians
Sweat valve configuration simplifies brazing connections during installation

Cons

Single-stage compressor provides less precise temperature control than two-stage alternatives
74 dB noise level runs louder than premium models, potentially noticeable in quiet neighborhoods
Not Energy Star certified, limiting appeal for efficiency-focused homeowners seeking rebates

Who Should Buy

Best For

Contractors performing equipment replacements on residential systems where the existing evaporator coil remains functional and budget constraints matter. Homeowners in moderate climates who prioritize affordability over premium efficiency ratings.

Consider Alternatives If

Buyers seeking Energy Star certification, ultra-quiet operation, or variable-speed compressor technology should explore higher-tier Goodman or competitor models instead.

3 Ton 13 SEER Goodman Air Conditioner with Horizon

Buy at HVACDirect →

Installation

Installation demands standard HVAC skills. The 3/8-inch liquid line and 7/8-inch suction line connect via sweat valves, requiring brazing experience. Electrical setup runs straightforward: 208/230V single-phase 60Hz with a minimum 19.1-amp breaker and maximum 30-amp breaker. The unit weighs 120 pounds and measures 33.5 by 25 by 12 inches, fitting most equipment pads with clearance.

Warranty & Reliability

A 10-year limited warranty covers defects when registered online, providing solid peace of mind. Registration is mandatory to activate full coverage, so confirm completion after installation. This warranty period is standard for mid-range condensers and protects against compressor and component failures during typical equipment lifespan.

Specifications

SKU	ACiQ-36-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	36,000
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
Replaces	GSX130362, GSX130363, GSX130365
Energy Star	No
SEER1 (Efficiency)	13
Condenser Stages	Single Stage
Compressor Type	Reciprocating
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	30 amps
Min. Breaker Size	19.1 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
Liquid Line	3/8"
Suction Line	7/8"
Style	Slab
Suction Line Insulation Thickness	3/8"
Length	30 feet

Frequently Asked Questions

Will this condenser work with my existing evaporator coil? +

Compatibility depends on matching tonnage and refrigerant type. This 3-ton unit pairs with 3-ton coils using R454B. Confirm your coil is rated for this refrigerant and tonnage before purchasing. The ACiQ replaces specific Goodman models (GSX130362, GSX130363, GSX130365), making cross-reference straightforward.

How difficult is the sweat valve installation? +

Sweat connections require proper brazing technique to avoid leaks. Most HVAC professionals handle this routinely. Ensure adequate clearance around valve locations and use nitrogen purging during brazing to prevent oxidation. Improper technique creates expensive refrigerant loss and system failure.

Is 13 SEER adequate efficiency in today's market? +

Yes, 13 SEER1 meets 2023 federal minimum standards but trails premium 16-20 SEER models. For budget-conscious replacements, it balances operating cost savings against equipment price. Energy-conscious buyers might justify higher upfront investment for superior efficiency ratings over the system's 15-year lifespan.

How does this compare to higher-SEER competitors? +

Higher-SEER units (16-20 range) typically include variable-speed compressors and advanced controls, reducing electricity consumption 15-30 percent. This ACiQ single-stage approach runs simpler and cheaper upfront but consumes more power annually. Choose based on local electricity rates and how long you'll own the equipment.

What does online registration for warranty coverage involve? +

Register on Goodman's website with proof of purchase and installation date. Registration activates the full 10-year coverage. Skip this step and warranty becomes limited. Most dealers handle registration automatically, but verify completion to protect your investment.

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