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Heil Evaporator coil ESH5X42M12A*

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Heil Heil AHRI Indoor - ESH5X cased horizontal slab evaporator coil Evaporator coil Repair, maintenance, and replacement planning
Heil 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: Heil
  • 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.heil-hvac.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 217391803

AHRI 217391803 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391811

AHRI 217391811 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391819

AHRI 217391819 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391827

AHRI 217391827 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391835

AHRI 217391835 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391843

AHRI 217391843 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391851

AHRI 217391851 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391859

AHRI 217391859 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391867

AHRI 217391867 identifies a Mass Save qualified Central HP <5.4 tons from HEIL with outdoor unit D5CUHAH36AAK+TIC2025-0016 and indoor unit ESH5X42M12A*.
Eligible Central HP <5.4 tons

AHRI 217391875

AHRI 217391875 identifies a Mass Save qualified Central HP <5.4 tons from HEIL 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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Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

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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.

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