Heat pump condensing unit

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Lennox Heat pump condensing unit ML14KP1-036-230A**

Lennox Lennox AHRI Outdoor - ML14KP1 Single-Stage Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Lennox ML14KP1-036-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: ML14KP1-036-230A**
  • AHRI records represented: 106
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-454B
  • Verified catalog model: ML14KP1-036-230A**
  • Verified product family: ML14KP1 Single-Stage Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: ML14KP1
  • AHRI model/pattern: ML14KP1-036-230A**
  • Nominal capacity: 3 ton
  • Nominal cooling capacity: 36,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 14.3 SEER2
  • Heating efficiency: up to 7.5 HSPF2
  • Operation: single-stage
  • Refrigerant: R-454B
  • Sound rating: low sound levels with sound-dampening system
  • Warranty: 5-year limited compressor and covered components warranty; extended coverage may be available with product registration
  • Official product page: https://www.lennox.com/residential/products/heating-cooling/heat-pumps/ml14kp1

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

View All
ENERGY STAR certified HP - Split System

AHRI 215735595

AHRI 215735595 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CBK45UHET-036-230-**.

ENERGY STAR certified HP - Split System

AHRI 215735596

AHRI 215735596 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CBK45UHVT-036-230-**.

ENERGY STAR certified HP - Split System

AHRI 215735597

AHRI 215735597 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CBK47UHET-036-230-**.

ENERGY STAR certified HP - Split System

AHRI 215735643

AHRI 215735643 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

ENERGY STAR certified HP - Split System

AHRI 215735645

AHRI 215735645 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

ENERGY STAR certified HP - Split System

AHRI 215735648

AHRI 215735648 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

ENERGY STAR certified HP - Split System

AHRI 215735649

AHRI 215735649 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

ENERGY STAR certified HP - Split System

AHRI 215735650

AHRI 215735650 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

ENERGY STAR certified HP - Split System

AHRI 215735654

AHRI 215735654 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

ENERGY STAR certified HP - Split System

AHRI 215735656

AHRI 215735656 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit ML14KP1-036-230A** and indoor unit CK40[C,U]T-48C-**+TDR.

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Service planning

How GreenFlow handles ML14KP1-036-230A** 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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