ACiQ 5 Ton Evaporator Coil | 17.5" Wide Multi-Positional A-Coil w/ TXV | R454B (EAM5X25M17A)
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Key features
- 5-ton capacity with 17.5-inch width for compatibility with standard air handler cabinets
- Multi-positional A-coil supports upflow, downflow, and horizontal installation orientations
- Factory-installed TXV for precise refrigerant metering and improved part-load efficiency
- R-454B refrigerant ready, meeting current EPA A2L transition requirements
- Sold direct with no dealer markup, keeping upfront component cost below name-brand alternatives
- 12-year parts warranty when registered, matching or exceeding coverage from most major brands
About this system
The ACiQ EAM5X25M17A is a 5-ton, 17.5-inch wide multi-positional A-coil designed to work with a matched condensing unit in a ducted split system. It ships pre-charged with R-454B, the newer A2L refrigerant that is replacing R-410A across the industry in response to updated EPA regulations. That detail matters practically: your contractor must be certified to handle A2L refrigerants, and not every technician in your area will be yet. The coil includes an expansion valve (TXV), which provides better refrigerant metering than a fixed orifice and helps the system maintain efficiency across a range of outdoor temperatures and load conditions.
A 5-ton coil is sized for larger homes, typically in the 2,500 to 3,500 square foot range depending on your climate, insulation, and duct layout, though proper Manual J load calculations should always drive that decision. The multi-positional design means the coil can be installed in upflow, downflow, or horizontal orientations, which gives installers flexibility when working around existing duct configurations or tight mechanical rooms. This coil is sold as a standalone component, so it needs to be paired with a compatible ACiQ or other manufacturer’s air handler or furnace and a matched outdoor unit. Buyers replacing only the indoor coil should confirm refrigerant and tonnage compatibility with the existing equipment before purchasing.
The EAM5X25M17A delivers a competitively priced R-454B-ready coil with a TXV and flexible installation orientation, making it a reasonable choice for cost-conscious buyers pairing it with a matched ACiQ system. The 12-year warranty is a genuine strength, but the undisclosed manufacturer, thin long-term reliability data, and the added complexity of A2L refrigerant handling are real factors to weigh. It suits buyers who have an A2L-certified contractor lined up and want to avoid the price premium of legacy brand-name coils.
Overall score is the average of the five ratings above.
What we like
- Factory TXV included, which many value-tier coils still omit or charge extra for
- R-454B compatibility positions the coil for long-term refrigerant availability as R-410A phases out
- Multi-positional design reduces the chance of needing a different coil if mechanical room layout is constrained
- 12-year parts warranty with no dealer markup is among the stronger coverage offers at this price tier
- Direct-sale pricing undercuts comparable Carrier, Trane, and Lennox coils by a meaningful margin
Trade-offs
- Long-term coil reliability data is limited since ACiQ is a newer brand and Consumer Reports has not yet ranked it
- The undisclosed manufacturer makes it harder to cross-reference parts, service bulletins, or installation history if a problem arises
- R-454B requires an A2L-certified technician, and contractor availability varies significantly by region
- No dealer network means service coordination falls entirely on the homeowner and an independent contractor
What homeowners and pros say about ACiQ
Early owner feedback on ACiQ equipment skews positive, with quiet operation, solid cooling performance, and responsive customer support mentioned consistently across independent forum threads and owner communities. That said, the brand is new enough that Consumer Reports has not yet assigned a reliability score, simply because long-term data does not exist yet. For a standalone coil like this, the conversation among HVAC professionals tends to focus on three practical concerns: coil leak history, parts sourcing, and refrigerant handling. Because the original manufacturer behind ACiQ is not publicly identified, contractors cannot easily cross-reference the coil’s design against known failure patterns from other brand families the way they can with a Carrier or Trane product. That is not a deal-breaker, but it is a real limitation when a tech is troubleshooting a leak or ordering a replacement component years down the line.
On the R-454B side, both homeowners and contractors are still adjusting to A2L refrigerants across the board, and this coil sits squarely in that transition. Pros who have handled A2L installs report the process is manageable with the right equipment and training, but warn that homeowners should not assume every local contractor is ready. The 12-year warranty draws consistent praise from buyers who compare it against name-brand offerings at higher price points, and ACiQ’s direct-sale model means that warranty comes without the dealer markup layered into most traditional distribution chains. The honest summary from the field is that ACiQ represents a reasonable calculated bet for buyers who prioritize upfront savings and warranty coverage, with the understanding that long-term reliability remains an open question that only time and more field data will answer.
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 | EAM5X25M17A | N/A (coil only) | N/A (coil component) | Value pick |
| Carrier | Performance CNPVP Series 5-ton A-coil | N/A (coil only) | N/A (coil component) | Priced notably higher than ACiQ with dealer distribution markup |
| Trane | Versatec 4TXCB Series 5-ton multi-positional coil | N/A (coil only) | N/A (coil component) | Priced higher than ACiQ, typically sold through Trane dealer network |
| Lennox | C33 Series 5-ton multi-positional A-coil | N/A (coil only) | N/A (coil component) | Priced higher than ACiQ with Lennox dealer distribution costs included |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Does this coil work with my existing R-410A condensing unit?
No. The EAM5X25M17A is designed for R-454B refrigerant, which is not compatible with R-410A equipment. Mixing refrigerants or using this coil with an R-410A outdoor unit would void the warranty and risk equipment damage. You would need to replace both the coil and the outdoor unit, or confirm your existing system is also R-454B rated.
Can any licensed HVAC technician install this, or do they need special certification for R-454B?
R-454B is classified as an A2L mildly flammable refrigerant, and technicians handling it are required to follow updated EPA Section 608 procedures. Not every contractor in every market has updated their certification or tools yet, so it is worth confirming your installer is A2L-equipped before purchasing.
What air handlers or furnaces is this coil compatible with?
ACiQ publishes a matchup guide on their site, and this coil is also intended to pair with compatible ACiQ air handlers. If you are pairing it with another brand's equipment, check that the tonnage, refrigerant type, and cabinet width are all compatible, and verify that the combination will meet AHRI efficiency certification requirements for your region.
How do I register for the 12-year warranty, and what does it cover?
ACiQ requires product registration, typically within 60 to 90 days of installation, to qualify for the full 12-year parts warranty. Failure to register usually drops coverage to a shorter base period. The warranty covers parts but not labor, which is standard in the industry, so budgeting for labor costs on any future repair is still necessary.
If the coil needs a part years from now, will I be able to find it given the undisclosed manufacturer?
ACiQ sources parts through its own supply chain, and the 12-year parts warranty means ACiQ is obligated to support the coil for that period. The practical risk is that because the original equipment manufacturer is not publicly disclosed, independent parts sourcing or cross-referencing with other brand service histories is more difficult than with a Carrier or Trane coil where the supply chain is well established.
Specifications
| Cooling capacity | 5 Ton |
| Configuration | multi-position |
| Refrigerant | R-454B |
| Model | EAM5X25M17A |