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Day & Night Evaporator coil ESH5X42M12A*

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Day & Night Day & Night AHRI Indoor - ESH5X cased horizontal slab evaporator coil Evaporator coil Repair, maintenance, and replacement planning
Day & Night ESH5X42M12A* product image

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: ESH5X42M12A*
  • AHRI records represented: 190
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.95
  • AHRI refrigerant: R-454B
  • Verified catalog model: ESH5X42M12A*
  • Verified product family: ESH5X cased horizontal slab evaporator coil
  • Verified catalog brand: Day & Night
  • Verified model family: ESH5X
  • AHRI model/pattern: ESH5X42M12A*
  • Nominal capacity: 3.5 ton
  • Nominal cooling capacity: 42,000 BTU nominal cooling capacity
  • Cabinet width: 12 in.
  • Configuration: horizontal slab coil for left or right airflow
  • 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/esh5x

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 217391807

AHRI 217391807 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391815

AHRI 217391815 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391823

AHRI 217391823 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391831

AHRI 217391831 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391839

AHRI 217391839 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391847

AHRI 217391847 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391855

AHRI 217391855 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391863

AHRI 217391863 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391871

AHRI 217391871 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391879

AHRI 217391879 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
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Service planning

How GreenFlow handles ESH5X42M12A* 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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Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Murali S.

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

Jenny W.

Great service! On time, knowledgeable & professional

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

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