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Heat pump condensing unit

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Lennox Heat pump condensing unit EL18KSLV-036-230A**

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Lennox Lennox AHRI Outdoor - EL18KSLV Most Efficient Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Lennox EL18KSLV-036-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: EL18KSLV-036-230A**
  • AHRI records represented: 1358
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.816666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: EL18KSLV-036-230A**
  • Verified product family: EL18KSLV Most Efficient Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: EL18KSLV
  • AHRI model/pattern: EL18KSLV-036-230A**
  • Nominal capacity: 3 ton
  • Nominal cooling capacity: 36,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 19 SEER2
  • Heating efficiency: up to 10 HSPF2
  • Operation: variable-capacity
  • Refrigerant: R-454B
  • Sound rating: as low as 54 dB
  • 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/el18kslv

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 216769580

AHRI 216769580 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769581

AHRI 216769581 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769582

AHRI 216769582 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769583

AHRI 216769583 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769584

AHRI 216769584 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-36B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769585

AHRI 216769585 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-36B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769586

AHRI 216769586 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-36B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769587

AHRI 216769587 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40[C,U]T-36B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769588

AHRI 216769588 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216769589

AHRI 216769589 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
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Service planning

How GreenFlow handles EL18KSLV-036-230A** 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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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...

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

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

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