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Lennox Gas furnace ML180UH090V48B*

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Lennox Lennox AHRI Furnace - ML180V single-stage gas furnace Gas furnace Repair, maintenance, and replacement planning
Lennox ML180UH090V48B* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: ML180UH090V48B*
  • AHRI records represented: 116
  • AHRI equipment type: Central HP
  • AHRI tonnage: 1.9333333333333333
  • AHRI refrigerant: R-454B
  • Verified catalog model: ML180UH090V48B*
  • Verified product family: ML180V single-stage gas furnace
  • Verified catalog brand: Lennox
  • Verified model family: ML180V
  • AHRI model/pattern: ML180UH090V48B*
  • Furnace input capacity: 90,000 BTU/h input
  • AHRI airflow/cabinet code: 48
  • Model variant code: V
  • AFUE efficiency: up to 80%
  • Heating stages: single-stage
  • Blower/motor: variable speed
  • Cabinet/quiet operation: steel cabinet
  • Blower compartment/cabinet: sealed
  • Emissions class: standard 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/ml180v
  • Official specifications page: https://www.lennox.com/residential/products/specifications/ml180v

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 217121553

AHRI 217121553 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 217121574

AHRI 217121574 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-36B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217443166

AHRI 217443166 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-024-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217443296

AHRI 217443296 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL21KLV-036-230A** and indoor unit CK40HT-30B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217449844

AHRI 217449844 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 217449869

AHRI 217449869 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 217449894

AHRI 217449894 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 217449919

AHRI 217449919 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-036-230A** and indoor unit CK40HT-36B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217449953

AHRI 217449953 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-060-230A** and indoor unit CK40[C,U]T-48B-**+TDR.
Eligible Central HP <5.4 tons

AHRI 217449995

AHRI 217449995 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit EL18KSLV-060-230A** and indoor unit CK40HT-42B-**+TDR.
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Service planning

How GreenFlow handles ML180UH090V48B* 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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Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Jahangir R.

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

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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