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Day & Night Evaporator coil EA*5X43M21A*

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Day & Night Day & Night AHRI Indoor - EAM5X cased A evaporator coil Evaporator coil Repair, maintenance, and replacement planning
Day & Night 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: Day & Night
  • 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.dayandnightcomfort.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 216755406

AHRI 216755406 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 216755691

AHRI 216755691 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 216757960

AHRI 216757960 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH30AAK and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392740

AHRI 217392740 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392748

AHRI 217392748 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392756

AHRI 217392756 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392764

AHRI 217392764 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392772

AHRI 217392772 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392780

AHRI 217392780 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit EA*5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217392788

AHRI 217392788 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT 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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Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Murali S.

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

Jack B.

Andrey always does a great job.

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