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Lennox Gas furnace EL180UH040NE36A*

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Lennox Lennox AHRI Furnace - EL180NE ultra-low emissions gas furnace Gas furnace Repair, maintenance, and replacement planning
Lennox EL180UH040NE36A* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: EL180UH040NE36A*
  • AHRI records represented: 111
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9333333333333333
  • AHRI refrigerant: R-454B
  • Verified catalog model: EL180UH040NE36A*
  • Verified product family: EL180NE ultra-low emissions gas furnace
  • Verified catalog brand: Lennox
  • Verified model family: EL180NE
  • AHRI model/pattern: EL180UH040NE36A*
  • Furnace input capacity: 40,000 BTU/h input
  • AHRI airflow/cabinet code: 36
  • Model variant code: NE
  • AFUE efficiency: up to 80%
  • Heating stages: single-stage
  • Blower/motor: constant torque
  • Cabinet/quiet operation: fully insulated cabinet
  • Blower compartment/cabinet: sealed and insulated
  • Emissions class: ultra-low NOx emissions
  • Application: matched gas furnace for split-system air conditioner or heat pump combinations
  • Official product page: https://www.lennox.com/residential/products/heating-cooling/furnaces/el180ne
  • Official specifications page: https://www.lennox.com/residential/products/specifications/el180ne

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 217121529

AHRI 217121529 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 217121587

AHRI 217121587 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-036-230A** and indoor unit CK40[C,U]T-36A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189712

AHRI 217189712 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40[C,U]T-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189729

AHRI 217189729 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40[C,U]T-36A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189746

AHRI 217189746 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-24A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189763

AHRI 217189763 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-024-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189785

AHRI 217189785 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-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189808

AHRI 217189808 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-36A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189831

AHRI 217189831 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-30A-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217189854

AHRI 217189854 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-36A-**+TDR.
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Service planning

How GreenFlow handles EL180UH040NE36A* 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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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.

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...

Melissa S.

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.

Jenny W.

Great service! On time, knowledgeable & professional

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