Evaporator coil

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Smart Comfort Evaporator coil EA*5X43M21A*

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

Technical Specifications

Product Specs

  • AHRI unit role: Indoor
  • AHRI model/pattern: EA*5X43M21A*
  • AHRI records represented: 109
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-454B
  • Verified catalog model: EA*5X43M21A*
  • Verified product family: EAM5X cased A evaporator coil
  • Verified catalog brand: Smart Comfort
  • Verified ENERGY STAR dataset: ENERGY STAR Certified Heat Pumps
  • ENERGY STAR partner: Carrier Corporation
  • ENERGY STAR outdoor brand: SMART COMFORT
  • ENERGY STAR series: PERFORMANCE 16 SEER2 HP
  • ENERGY STAR outdoor model: N5H5S36*K*AAA*
  • ENERGY STAR indoor model: EA*5X43M21A*
  • ENERGY STAR furnace model: *80CSU0601716A*
  • Matched-system SEER2: 15.20
  • Matched-system EER2: 12.00
  • Matched-system HSPF2: 7.80
  • Matched-system cooling capacity: 35,000 BTU/h
  • Matched-system heating capacity at 47F: 35,200 BTU/h
  • Matched-system heating capacity at 17F: 21,400 BTU/h
  • Compressor staging: Single stage
  • Refrigerant: R-454B (GWP:470 | Lower GWP)
  • ENERGY STAR certified date: 2025-01-29
  • ENERGY STAR source dataset: https://data.energystar.gov/d/83eb-xbyy
  • Carrier-family public product page: https://www.airquestcomfort.com/en/us/products/evaporator-coils/eam5x
  • Verified Carrier-family model family: EAM5X
  • AHRI indoor 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
  • Application: matched indoor evaporator coil for air conditioner or heat pump systems

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

View All
ENERGY STAR certified HP - Split System

AHRI 214139772

AHRI 214139772 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit N5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139773

AHRI 214139773 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit R5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139799

AHRI 214139799 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit N5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139800

AHRI 214139800 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit R5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139963

AHRI 214139963 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit N5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139964

AHRI 214139964 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit R5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139993

AHRI 214139993 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit N5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214139994

AHRI 214139994 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit R5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214140530

AHRI 214140530 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit N5H5S36*K*AAA* and indoor unit EA*5X43M21A*.

ENERGY STAR certified HP - Split System

AHRI 214140531

AHRI 214140531 identifies a Mass Save qualified HP - Split System from SMART COMFORT with outdoor unit R5H5S36*K*AAA* 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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