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ENERGY STAR AHRI details

Lennox EL21KLV-036-230A**

ENERGY STAR Certified HP - Split System
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Brand and components

Indoor, outdoor, and system model details

Outdoor unit brandLennox
Outdoor unit modelEL21KLV-036-230A**
Indoor unit modelsCK40DT-30/36B-**+TDR
Furnace modelML180DF090E48B*
Model nameElite EL21KLV SERIES
Model numberEL21KLV-036-230A**

Related product models

Outdoor unit model EL21KLV-036-230A** Lennox mask match
EL21KLV-036-230A** product image Lennox EL21KLV-036-230A** Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
33600
Heating Capacity 47F (BTUH)
33800
Heating Capacity 17F (BTUH)
28200
Heating Capacity 5F (BTUH)
19100
Seer2
17.50
HSPF2 Region IV
9.00
EER2 AFull 95F
11.50
COP at 5F
2.34
Refrigerant Type
R-454B

Eligibility

Rebates and certifications

ENERGY STAR Certified
Yes
ENERGY STAR Cold Climate Certified
No

Explore your options

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Furnace model / pattern
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Cooling · BTU/h
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SEER2
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Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 8.10 vs. 9.00
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  • Lower heating capacity at 47°F: 31,400 BTU/h.
  • Lower heating capacity at 17°F: 25,400 BTU/h.
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Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 8.10 vs. 9.00
  • Different refrigerant: R-410A (current: R-454B).
  • Lower heating capacity at 47°F: 30,400 BTU/h.
  • Lower heating capacity at 17°F: 25,200 BTU/h.
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Indoor model / pattern
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Furnace model / pattern
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Cooling · BTU/h
33,600
SEER2
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HSPF2
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Cooling capacity (listed) · HSPF2 Region IV

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Indoor model / pattern
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Furnace model / pattern
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Cooling · BTU/h
33,600
SEER2
19.50
HSPF2
9.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 19.50 vs. 17.50
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Same outdoor unit

Lennox

Split-system heat pump

EL21KLV-036-230A** — Lennox AHRI 217443268

AHRI 217443268

Indoor model / pattern
CK40DT-30/36C-**+TDR
Furnace model / pattern
EL297DF090XE48C*
Cooling · BTU/h
33,600
SEER2
17.50
HSPF2
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Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySame outdoor unit, different indoor combination.
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Same brand

Lennox

Split-system heat pump

SL22KLV-036-230A** — Lennox AHRI 217476461

AHRI 217476461

Indoor model / pattern
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Furnace model / pattern
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Cooling · BTU/h
33,600
SEER2
18.00
HSPF2
9.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Higher SEER2: 18.00 vs. 17.50
  • Lower heating capacity at 47°F: 31,600 BTU/h.
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Comparison does not confirm installation compatibility, availability, or current incentive eligibility. Unknown and qualified source values are not treated as zero.

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