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Heat pump condensing unit

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Lennox Heat pump condensing unit EL16KP1-042-230A**

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Lennox Lennox AHRI Outdoor - EL16KP1 Single-Stage Heat Pump Heat pump condensing unit Repair, maintenance, and replacement planning
Lennox EL16KP1-042-230A** product image

Technical Specifications

Product Specs

  • AHRI unit role: Outdoor
  • AHRI model/pattern: EL16KP1-042-230A**
  • AHRI records represented: 81
  • AHRI equipment type: HP - Split System
  • AHRI refrigerant: R-454B
  • Verified catalog model: EL16KP1-042-230A**
  • Verified product family: EL16KP1 Single-Stage Heat Pump
  • Verified catalog brand: Lennox
  • Verified model family: EL16KP1
  • AHRI model/pattern: EL16KP1-042-230A**
  • Nominal capacity: 3.5 ton
  • Nominal cooling capacity: 42,000 BTU nominal cooling capacity
  • Cooling efficiency: up to 17 SEER2
  • Operation: single-stage
  • 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/el16kp1

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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ENERGY STAR certified HP - Split System

AHRI 215740154

AHRI 215740154 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CBK45UHVT-042-230-**.
ENERGY STAR certified HP - Split System

AHRI 215740155

AHRI 215740155 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CBK45UHVT-048-230-**.
ENERGY STAR certified HP - Split System

AHRI 215740156

AHRI 215740156 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CBK47UHET-042-230-**.
ENERGY STAR certified HP - Split System

AHRI 215740157

AHRI 215740157 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CBK47UHET-048-230-**.
ENERGY STAR certified HP - Split System

AHRI 215740158

AHRI 215740158 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CBK48MVT-042-230-**.
ENERGY STAR certified HP - Split System

AHRI 215740159

AHRI 215740159 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CBK48MVT-048-230-**.
ENERGY STAR certified HP - Split System

AHRI 215740163

AHRI 215740163 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CK40[C,U]T-48C-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215740164

AHRI 215740164 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CK40[C,U]T-48C-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215740165

AHRI 215740165 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CK40[C,U]T-48C-**+TDR.
ENERGY STAR certified HP - Split System

AHRI 215740166

AHRI 215740166 identifies a Mass Save qualified HP - Split System from Lennox with outdoor unit EL16KP1-042-230A** and indoor unit CK40[C,U]T-48C-**+TDR.
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Service planning

How GreenFlow handles EL16KP1-042-230A** 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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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...

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

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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