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Heat pump condensing unit

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Lennox Heat pump condensing unit SL22KLV-036-230A**

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Lennox Lennox AHRI Outdoor - SL22KLV Most Efficient Cold Climate Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Lennox SL22KLV-036-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: SL22KLV-036-230A**
  • AHRI records represented: 85
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.933333333333333
  • AHRI refrigerant: R-454B
  • Verified catalog model: SL22KLV-036-230A**
  • Verified product family: SL22KLV Most Efficient Cold Climate Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: SL22KLV
  • AHRI model/pattern: SL22KLV-036-230A**
  • Nominal capacity: 3 ton
  • Nominal cooling capacity: 36,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 21.1 SEER2
  • Heating efficiency: up to 10.5 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/sl22klv

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 216776011

AHRI 216776011 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CBK48MVT-060-230-**.
Eligible Central HP <5.4 tons

AHRI 216776066

AHRI 216776066 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CBK48MVT-048-230-**.
Eligible Central HP <5.4 tons

AHRI 216776067

AHRI 216776067 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CBK48MVT-042-230-**.
Eligible Central HP <5.4 tons

AHRI 216776068

AHRI 216776068 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776069

AHRI 216776069 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776070

AHRI 216776070 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776071

AHRI 216776071 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776072

AHRI 216776072 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776073

AHRI 216776073 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776074

AHRI 216776074 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-036-230A** and indoor unit CK40[C,U]T-49C-**+TDR.
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Service planning

How GreenFlow handles SL22KLV-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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Our Happy Customers

Jahangir R.

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

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.

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

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.

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