Review
The ACiQ 3.5-ton cased coil represents the practical middle ground in HVAC replacement economics. Branded under Goodman's ACiQ sub-label, this unit targets contractors who need reliable cooling capacity without inflating jobsite costs. At 42,000 BTU, it handles standard residential loads across mid-sized homes. The 14 SEER rating meets energy code requirements in most regions while remaining accessible on tight installation budgets. This positioning has made it a workhorse for service companies managing high-volume replacement work.
Performance metrics confirm this coil delivers what's promised. The scroll compressor operates as a single-stage unit, cycling on and off rather than modulating capacity, which simplifies reliability but forgoes part-load efficiency gains. At 73 dBA, noise output is respectable though not class-leading. Refrigerant lines specify standard R410A with 3/8-inch liquid and 7/8-inch suction sizing, matching typical outdoor unit connections. Electrical requirements stay modest at 208/230V single-phase with 22-35 amp breaker range, requiring no special wiring for standard residential panels.
Pros & Cons
Pros
- 14 SEER efficiency strikes balance between cost and performance, meeting most regional standards without premium pricing
- 42,000 BTU capacity accurately handles 3.5-ton loads for mid-sized homes and light commercial spaces
- Compact 29-inch width fits standard return air plenums, simplifying retrofit installations
- 10-year warranty with online registration covers manufacturing defects and compressor failure
- Scroll compressor proven reliable in thousands of installations with minimal field failures
Cons
- Single-stage operation means no efficiency gain at part-load conditions, unlike two-stage competitors
- 73 dBA noise level runs louder than variable-capacity units, noticeable during peak cooling
- No Energy Star certification indicates it meets baseline codes but lacks top-tier efficiency recognition
Who Should Buy
Best For
Contractors replacing worn 3.5-ton systems where customers want solid efficiency without premium costs, and homeowners in moderate climates where 14 SEER satisfies local requirements. This coil works especially well for service companies maintaining Goodman equipment ecosystems.
Consider Alternatives If
Buyers pursuing Energy Star ratings or variable-capacity efficiency should evaluate 16+ SEER models instead, as this unit's single-stage design won't deliver those benefits.
Installation
Installation flexibility is a genuine strength. The unit accepts both upflow and downflow configurations, adapting to most attic or basement installations without redesign. Dimensions measure 32.5 inches tall by 29 inches wide by 29 inches deep, fitting snugly into standard return plenums. Pre-insulated suction line with 3/8-inch thickness minimizes field wrap time. Goodman's documentation package provides clear assembly guidance, and experienced technicians typically complete installation within 4-6 hours.
Warranty & Reliability
Goodman backs this coil with a full 10-year parts and compressor warranty upon online registration. This coverage is standard for mid-tier equipment, protecting against manufacturing defects and component failure. Registration takes minutes through Goodman's website portal. Coverage does not include labor, so service calls beyond the first year fall on homeowner or contractor responsibility. Real-world claims approval rates run high for legitimate manufacturing issues.
Specifications
| SKU | ACIQ-4X-EHPD-UPG |
| Brand/Manufacturer | ACiQ |
| Cooling BTU | 42,000 |
| Refrigerant | R410A |
| 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 |
| Configuration | Upflow / Downflow |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 3.5 Ton |
| Style | A-Coil |
| Height | 32.5" |
| Width | 29" |
| Depth | 29" |
| 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 | 35 amps |
| Min. Breaker Size | 22 amps |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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