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Lennox Heat pump condensing unit SL22KLV-048-230A**

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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-048-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: SL22KLV-048-230A**
  • AHRI records represented: 47
  • AHRI equipment type: Central HP
  • AHRI tonnage: 3.75
  • AHRI refrigerant: R-454B
  • Verified catalog model: SL22KLV-048-230A**
  • Verified product family: SL22KLV Most Efficient Cold Climate Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: SL22KLV
  • AHRI model/pattern: SL22KLV-048-230A**
  • Nominal capacity: 4 ton
  • Nominal cooling capacity: 48,000 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 216776012

AHRI 216776012 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CBK48MVT-060-230-**.
Eligible Central HP <5.4 tons

AHRI 216776087

AHRI 216776087 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CBK48MVT-048-230-**.
Eligible Central HP <5.4 tons

AHRI 216776088

AHRI 216776088 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776089

AHRI 216776089 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776090

AHRI 216776090 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776091

AHRI 216776091 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776092

AHRI 216776092 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776093

AHRI 216776093 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776094

AHRI 216776094 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
Eligible Central HP <5.4 tons

AHRI 216776095

AHRI 216776095 identifies a Mass Save qualified Central HP <5.4 tons from LENNOX with outdoor unit SL22KLV-048-230A** and indoor unit CK40[C,U]T-60C-**+TDR.
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Service planning

How GreenFlow handles SL22KLV-048-230A** 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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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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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...

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

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