Review
The ACiQ 3.5-ton horizontal cased coil sits in the practical middle of the residential HVAC market. Built to Goodman specifications and SKU'd as ACIQ-4X-EHPD-UPG, this A-coil delivers 42,000 BTU cooling in a compact 24.5-inch height that fits most attic framings without modification. At 13 SEER1 efficiency, it represents a real step up from aging 10-SEER stock, making it the go-to choice for contractors doing bread-and-butter replacements where customers want proven reliability over cutting-edge tech.
Performance specs confirm this is straightforward equipment. The reciprocating compressor operates single-stage, meaning it runs at full capacity or cycles off, with no variable modulation. That approach keeps cost down and service simple, though it sacrifices the fine-tuning efficiency of inverter-driven alternatives. At 75 dB, noise output is moderate and typical for this class. The unit runs on standard 208/230V single-phase 60 Hz residential power, requiring a 23.9 to 40-amp breaker depending on final installation configuration.
Pros & Cons
Pros
- 42,000 BTU cooling capacity delivers reliable performance for 3.5-ton matched systems
- 13 SEER efficiency provides meaningful energy savings compared to older 10-SEER equipment
- Horizontal 24.5-inch A-coil design fits standard attic spaces and tight installations
- Reciprocating compressor is field-proven for durability and straightforward servicing
- 10-year warranty with online registration covers parts and labor protection
- 3/8-inch and 7/8-inch sweat connections match standard R410A lineset sizing
Cons
- 75 dB noise level is moderate, louder than variable-speed systems in the 70-72 dB range
- Single-stage compressor means no modulation, running full-load or off without mid-range efficiency
- Not Energy Star certified, which may matter for rebate eligibility in some utility programs
- 13 SEER1 is good but not exceptional compared to 14-16 SEER alternatives available today
Who Should Buy
Best For
Contractors doing standard residential replacements in the Southeast and Midwest where high efficiency isn't the primary driver, and homeowners seeking dependable performance without budget-stretching 16+ SEER pricing. This coil pairs perfectly with matching Goodman or compatible condensers for complete system retrofits.
Consider Alternatives If
Homeowners in cold climates where variable-capacity equipment outperforms single-stage compressors, or buyers pursuing maximum Energy Star rebates and tax credits.
Installation
Installation is straightforward for licensed technicians. The horizontal orientation and compact footprint suit attic placement in most homes. Sweat connections on 3/8-inch liquid and 7/8-inch suction lines match industry-standard R410A linesets, eliminating custom fabrication. The 30-foot precharged lineset simplifies field setup. Electrical requirements are residential standard at 208/230V single-phase, well within typical home service capacity.
Warranty & Reliability
The 10-year parts and labor warranty activates via online registration, providing solid coverage against compressor or coil failure. This matches or exceeds most competitor offerings in the mid-tier segment. Registration is essential, as unregistered units typically carry only 5-year protection, so contractors should confirm registration at handoff to homeowners.
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) | 75 |
| 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 | 7/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 23.9 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| Height | 24.5" |
| Width | 21.125" |
| Depth | 26" |
| Resources | CHPF Installation Manual CHPF 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 | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.