ACiQ 3 Ton Evaporator Coil | 17.5" Wide Multi-Positional A-Coil w/ TXV | R454B (EAM5X37M17A)
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Key features
- Multi-positional A-coil fits upflow, downflow, and horizontal installations
- 17.5-inch cabinet width fits standard air handler and furnace cabinets
- Factory-installed TXV for active refrigerant metering and improved part-load efficiency
- R-454B refrigerant compatible, meeting current EPA low-GWP transition requirements
- 3-ton capacity rated for typical mid-size residential cooling loads
- Sold direct with ACiQ's 12-year parts warranty, no dealer markup
About this system
The ACiQ EAM5X37M17A is a 3-ton, 17.5-inch wide multi-positional A-coil designed to work in upflow, downflow, and horizontal applications, giving installers flexibility when fitting it into tight or unconventional air handler configurations. It is factory-equipped with a thermostatic expansion valve (TXV), which actively meters refrigerant flow to maintain efficiency across a range of operating conditions rather than relying on a fixed orifice. Critically, this coil is built for R-454B, a lower global-warming-potential refrigerant that is part of the industry-wide transition away from R-410A following EPA regulations, so it is forward-compatible with the current generation of refrigerant-compliant equipment.
This coil is a replacement or new-installation component, not a standalone cooling system. It must be paired with a compatible condensing unit and air handler or furnace. The 3-ton capacity suits most 1,500 to 2,100 square foot homes, though actual sizing depends on local climate, insulation, and Manual J load calculations. ACiQ sells this coil at a direct-to-consumer price that typically undercuts Carrier, Trane, and Lennox equivalents, which makes it an appealing choice for homeowners working with independent HVAC contractors who are comfortable sourcing equipment outside a traditional distributor chain. The TXV inclusion at this price point is a genuine advantage, since some budget coils still ship with fixed orifices that limit efficiency at part-load conditions.
The ACiQ EAM5X37M17A delivers genuine value for budget-conscious homeowners who need an R-454B-ready coil with a TXV at a price well below name-brand equivalents. The 12-year warranty is competitive, but the undisclosed manufacturer and thin long-term reliability data mean you are accepting more uncertainty than you would with a Carrier or Trane coil. If your contractor is comfortable with direct-sourced equipment and can source parts independently, this is a reasonable buy; if you rely heavily on brand-network service infrastructure, the trade-off may not be worth it.
Overall score is the average of the five ratings above.
What we like
- TXV included at the factory, not an add-on cost
- R-454B refrigerant compatibility is current-generation and code-ready
- Multi-positional design reduces installation constraints for contractors
- 12-year parts warranty matches or exceeds most mid-tier name brands
- Direct pricing undercuts comparable Carrier, Trane, and Lennox coils
Trade-offs
- Manufacturer is not publicly disclosed, making parts cross-referencing harder for service technicians
- Long-term reliability data is thin since ACiQ is a relatively new brand with no Consumer Reports ranking yet
- No dealer network means service depends entirely on independent contractors willing to work with direct-sourced equipment
- A coil-only purchase still requires compatible condensing unit and air handler, adding system-level sourcing complexity
What homeowners and pros say about ACiQ
Early owner feedback on ACiQ equipment, including coils installed as part of split systems, trends positive on quiet operation and installation straightforwardness, though it is worth being honest about what that feedback pool actually represents: a relatively new brand with a limited number of units that have been in the field long enough to surface meaningful reliability data. Consumer Reports has not yet assigned ACiQ a reliability score for exactly this reason. What independent contractor forums and early reviews do flag as concerns are not coil-specific failures unique to ACiQ, but rather the broader challenge of servicing direct-sourced equipment: because the actual manufacturer is not disclosed, technicians cannot easily look up cross-referenced part numbers or lean on brand-network technical support lines when something goes wrong mid-job.
For this specific coil, the documented risk factors that buyers should weigh are the same ones that apply to the ACiQ line generally. Parts sourcing depends on ACiQ’s own supply chain rather than a national distributor network, which can add lead time if a warranty claim requires a replacement coil. The service experience is entirely contractor-dependent, since there is no dealer infrastructure to escalate to. None of these are disqualifying for a buyer who understands them going in, particularly given the price advantage and the genuinely competitive 12-year parts warranty. But they are real trade-offs compared to buying a Carrier or Trane coil through a local dealer with a factory-authorized service agreement in place.
Sources: Consumer Reports heat pump ratings, HVACDirect on the ACiQ brand, AHRI Directory of Certified Product Performance, U.S. DOE appliance and equipment efficiency standards.
How it compares
| Brand | Comparable model | SEER2 | Stage | Price position |
|---|---|---|---|---|
| ACiQ | EAM5X37M17A | N/A (coil only) | N/A (coil only, TXV included) | Value pick |
| Carrier | Performance Series CNPVP3617ALA | N/A (coil only) | N/A (coil only, TXV included) | Moderately higher than ACiQ |
| Trane | 4TXCB003DS3HCA (Scratch and Dent/Builder Series equivalent) | N/A (coil only) | N/A (coil only) | Moderately higher than ACiQ |
| Lennox | CH35 Series (CH35-36B-2F) | N/A (coil only) | N/A (coil only, TXV included) | Higher than ACiQ, often significantly |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Will this coil work with my existing R-410A condensing unit?
No. This coil is designed for R-454B refrigerant, which is not cross-compatible with R-410A equipment. Mixing refrigerant types and systems not rated for R-454B creates safety and efficiency problems. You will need a condensing unit also rated for R-454B to build a compliant, functional system.
Does the 17.5-inch width fit a standard furnace or air handler cabinet?
The 17.5-inch width is a common residential cabinet size, but you should confirm the exact cabinet dimensions of your specific furnace or air handler before ordering. Width alone does not guarantee fit; check the height and connection orientation as well.
Why does ACiQ not disclose who actually manufactures this coil?
ACiQ is AC Direct's house brand and the actual manufacturing source has not been publicly confirmed, though forum discussion points toward the ICP and Carrier family. The undisclosed origin means a service technician cannot easily cross-reference the coil against a known manufacturer's parts catalog, which is a practical consideration if you ever need warranty or out-of-warranty repairs.
How does the included TXV affect performance compared to a fixed-orifice coil?
A TXV actively adjusts refrigerant flow based on actual load conditions, which helps the system maintain efficiency when outdoor temperatures or indoor loads vary. A fixed orifice is calibrated for a single design condition and loses efficiency at part-load operation, which is most of the cooling season. The TXV inclusion at this price point is a meaningful spec advantage.
What does the 12-year warranty actually cover, and are there registration requirements?
ACiQ's 12-year warranty covers parts, but you should verify registration requirements directly with ACiQ at the time of purchase, since many manufacturers require product registration within a set window to activate the full term. Labor is not covered, which is standard for residential HVAC equipment; you will need a separate labor agreement with your contractor if you want that protection.
Specifications
| Cooling capacity | 3 Ton |
| Configuration | multi-position |
| Refrigerant | R-454B |
| Model | EAM5X37M17A |