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Arcoaire Evaporator coil EA*5X43M21A*

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Arcoaire Arcoaire AHRI Indoor - EAM5X cased A evaporator coil Evaporator coil Repair, maintenance, and replacement planning
Arcoaire EA*5X43M21A* product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: EA*5X43M21A*
  • AHRI records represented: 406
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.5833333333333335
  • AHRI refrigerant: R-454B
  • Verified catalog model: EA*5X43M21A*
  • Verified product family: EAM5X cased A evaporator coil
  • Verified catalog brand: Arcoaire
  • Verified model family: EAM5X
  • AHRI model/pattern: EA*5X43M21A*
  • Nominal capacity: 3.5 ton
  • Nominal cooling capacity: 43,000 BTU nominal cooling capacity
  • Cabinet width: 21 in.
  • Configuration: multi-position cased A coil
  • Refrigerant: R-454B
  • Application: matched indoor evaporator coil for air conditioner or heat pump systems
  • Official product page: https://www.arcoaire.com/en/us/products/evaporator-coils/eam5x

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

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Eligible Central HP <5.4 tons

AHRI 216755404

AHRI 216755404 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 216755689

AHRI 216755689 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 216757958

AHRI 216757958 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392738

AHRI 217392738 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392746

AHRI 217392746 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392754

AHRI 217392754 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392762

AHRI 217392762 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392770

AHRI 217392770 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392778

AHRI 217392778 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392786

AHRI 217392786 identifies a Mass Save qualified Central HP <5.4 tons from ARCOAIRE with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
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Service planning

How GreenFlow handles EA*5X43M21A* requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

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