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Smart Comfort Evaporator coil EA*5X43M21A*

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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

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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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Our Happy Customers

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Terry S.

Excellent service from best tech!

Michael C.

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

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

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