Review
The ACiQ 4-ton vertical cased coil represents the practical middle ground in residential HVAC replacement. Built on the Goodman platform, this A-coil configuration addresses a real installer pain point: fitting quality cooling capacity into tight closets and utility rooms where traditional horizontal coils simply don't fit. The 36.25-inch height and 35.5-inch width make it genuinely useful for retrofit work, particularly in older homes with space constraints.
Performance runs at 14 SEER1 with 48,000 BTU cooling output from a proven scroll compressor that operates quietly at 74 dB. The unit accepts R454B refrigerant, aligning with EPA phase-down timelines. Electrically, it's flexible across residential panels, requiring between 26.4 and 45 amps depending on setup. These specs translate to respectable but not exceptional efficiency, making the coil honest about its positioning as a replacement-grade rather than premium component.
Pros & Cons
Pros
- 14 SEER efficiency delivers 48,000 BTU cooling at reasonable operating cost for replacement applications
- Compact vertical footprint (36.25 inches high, 35.5 inches wide) fits tight installation spaces where horizontal coils fail
- R454B refrigerant future-proofs the unit against phaseout restrictions affecting older R410A equipment
- Scroll compressor is proven, quiet at 74 dB, and carries strong manufacturer support across the Goodman network
- Single-stage operation simplifies electrical work with 26.4 to 45-amp breaker flexibility for various home panels
Cons
- 14 SEER1 trails higher-efficiency competitors (16-18 SEER2) by 15 to 30 percent in utility savings over 10 years
- No Energy Star certification limits appeal to eco-conscious buyers or those pursuing rebates
- Single-stage compressor means no capacity modulation, resulting in more on-off cycling in mild weather
Who Should Buy
Best For
Contractors managing budget replacement jobs and homeowners in moderate climates seeking reliable equipment without premium costs. Best suited for properties where space is limited and efficiency gains don't justify higher upfront investment.
Consider Alternatives If
Buyers prioritizing lowest lifetime operating costs, Energy Star certification, or variable-capacity performance should explore 16+ SEER2 alternatives or two-stage models.
Installation
Installation complexity is straightforward. The unit accepts upflow and downflow mounting, and line set connections use standard 3/8-inch liquid and 7/8-inch suction ports with 30 feet of pre-insulated line included. Typical installation takes 4 to 6 hours for an experienced technician. Wall space needed is minimal thanks to the vertical footprint, though ceiling height must clear the 36.25-inch dimension.
Warranty & Reliability
Standard 10-year parts coverage applies with online registration, which is routine for this price tier. Registration adds no cost but is required to activate the full term. Coverage is manufacturer defect-only, not wear-and-tear, so realistic lifespan expectations run 12 to 15 years with proper maintenance.
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 |
| Configuration | Upflow / Downflow |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 4 Ton |
| Style | A-Coil |
| Height | 36.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Installation Manual Goodman Specifications Goodman Brochure Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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. |
| 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 |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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