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Lennox Heat pump condensing unit EL21KLV-024-230A**

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Lennox Lennox AHRI Outdoor - EL21KLV Variable-Speed Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Lennox EL21KLV-024-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: EL21KLV-024-230A**
  • AHRI records represented: 278
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2
  • AHRI refrigerant: R-454B
  • Verified catalog model: EL21KLV-024-230A**
  • Verified product family: EL21KLV Variable-Speed Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: EL21KLV
  • AHRI model/pattern: EL21KLV-024-230A**
  • Nominal capacity: 2 ton
  • Nominal cooling capacity: 24,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 20.5 SEER2
  • Heating efficiency: up to 10 HSPF2
  • Operation: variable-capacity
  • Refrigerant: R-454B
  • Sound rating: low sound levels with sound-dampening system
  • Warranty: 10-year limited compressor warranty and 5-year limited covered components warranty; extended coverage may be available with product registration
  • Official product page: https://www.lennox.com/residential/products/heating-cooling/heat-pumps/el21klv

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 217115278

AHRI 217115278 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CBK48MVT-030-230-**.
Eligible Central HP <5.4 tons

AHRI 217115279

AHRI 217115279 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115280

AHRI 217115280 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CBK48MVT-018/024-230-**.
Eligible Central HP <5.4 tons

AHRI 217115281

AHRI 217115281 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115282

AHRI 217115282 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115283

AHRI 217115283 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115284

AHRI 217115284 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115285

AHRI 217115285 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115286

AHRI 217115286 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217115287

AHRI 217115287 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
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Service planning

How GreenFlow handles EL21KLV-024-230A** 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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Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Jahangir R.

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

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

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...

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