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LG KUSXB121A

ENERGY STAR Certified · Mass Save Eligible HP - Split System
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Brand and components

Indoor, outdoor, and system model details

Outdoor unit brandLG
Outdoor unit modelKUSXB121A
Indoor unit modelsKNSLB121A
Model nameKUSXB121A
Model numberKUSXB121A

Related product models

Outdoor unit model KUSXB121A LG model match
KUSXB121A product image LG KUSXB121A Air-source heat pump

Performance specs

Capacity and efficiency

Cooling Capacity (BTUH)
12000
Heating Capacity 47F (BTUH)
15000
Heating Capacity 17F (BTUH)
9500
Heating Capacity 5F (BTUH)
10500
Seer2
17.00
HSPF2 Region IV
9.50
EER2 AFull 95F
12.20
COP at 5F
1.85
Refrigerant Type
R-32

Eligibility

Rebates and certifications

Mass Save QPL
Yes
ENERGY STAR Certified
Yes
ENERGY STAR Cold Climate Certified
Yes

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

Cooling capacity −4.2%Similar cooling capacity.Lower HSPF2 (Region IV): 8.50 vs. 9.50
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Indoor model / pattern
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Cooling · BTU/h
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SEER2
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HSPF2
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Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity −4.2%Similar cooling capacity.Lower HSPF2 (Region IV): 8.50 vs. 9.50
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Same brand

LG

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KUSXA121A — LG AHRI 217284944

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Indoor model / pattern
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Cooling · BTU/h
12,500
SEER2
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HSPF2
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Cooling capacity (listed) · HSPF2 Region IV

Cooling capacity +4.2%Similar cooling capacity.
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MDV

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

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 9.00 vs. 9.50
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 13,000 BTU/h.
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1HVAC

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Indoor model / pattern
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Cooling · BTU/h
12,000
SEER2
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HSPF2
9.00

Cooling capacity (listed) · HSPF2 Region IV

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 9.00 vs. 9.50
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 13,000 BTU/h.
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ACIQ

Split-system heat pump

ACIQ-12-EHPB — ACIQ AHRI 214602072

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

Same cooling capacitySimilar cooling capacity.Lower HSPF2 (Region IV): 9.00 vs. 9.50
  • Different refrigerant: R-410A (current: R-32).
  • Lower heating capacity at 47°F: 13,000 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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