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LG mini-split heat pumps

ENERGY STAR lists 131 LG outdoor units in 195 certified indoor pairings; 163 pairings (83%) carry the cold-climate designation. Refrigerants: R-410A (71), R-32 (124).

Outdoor unit	Pairings	Cooling BTU/h	Best SEER2	Best HSPF2	Best % at 5°F	Cold climate	Refrigerant	Top record
KUSAB091A	2	9,000–9,000	23.8	10.9	87%	Yes	R-32	3626802
KUSAC091A	1	9,000–9,000	21	9.2	71%	Yes	R-32	3555698
KUSAC091B	1	9,000–9,000	21	9.2	71%	Yes	R-32	3555705
KUSAD091A	1	9,000–9,000	21	9.2	86%	Yes	R-32	4430153
KUSAD091B	1	9,000–9,000	21	9.2	86%	Yes	R-32	4430151
KUSAD091C	1	9,000–9,000	21	9.2	86%	Yes	R-32	4430159
KUSAD091D	1	9,000–9,000	21	9.2	86%	Yes	R-32	4430158
KUSAE091A	1	9,000–9,000	18	8.7	71%	No	R-32	3555702
KUSAF091F	1	9,000–9,000	18	8	71%	No	R-32	4529650
KUSAG091G	1	9,000–9,000	18	8	71%	No	R-32	4529647
KUSAH091B	1	9,000–9,000	21	9.2	71%	Yes	R-32	4439234
KUSAL091A	1	9,000–9,000	27	13.5	109%	Yes	R-32	3799357
KUSAZ091A	1	9,000–9,000	21	8.7	71%	No	R-32	3799359
KUSXB091A	4	9,000–9,000	22.2	10.6	100%	Yes	R-32	3544264
LAU090HYV3	1	9,000–9,000	27	13.5	70%	Yes	R-410A	2448427
LSU090HSV5	2	9,000–9,000	23.2	10.2	71%	Yes	R-410A	2448414
LUU090HV	3	9,000–9,000	21	10.55	101%	Yes	R-410A	2410020
KUSXB121A	5	10,200–12,000	21.7	10.5	88%	Yes	R-32	3544251
LUU120HV	3	10,200–12,000	20.8	10.5	83%	Yes	R-410A	2545932
KUSAC121A	1	11,000–11,000	20	9	70%	Yes	R-32	3555699
KUSAC121B	1	11,000–11,000	20	9	70%	Yes	R-32	3555707
KUSAD121A	1	11,000–11,000	20	9	76%	Yes	R-32	4430148
KUSAD121B	1	11,000–11,000	20	9	76%	Yes	R-32	4430152
KUSAD121C	1	11,000–11,000	20	9	76%	Yes	R-32	4430154
KUSAD121D	1	11,000–11,000	20	9	76%	Yes	R-32	4430157
KUSAE121A	1	11,000–11,000	18	8.5	70%	No	R-32	3555706
KUSAH121A	1	11,000–11,000	20	9	70%	Yes	R-32	4430138
KUSAH121B	1	11,000–11,000	20	9	70%	Yes	R-32	4430140
KUSAZ121A	1	11,000–11,000	20	8.5	70%	No	R-32	3799360
KUSAB121A	2	12,000–12,000	22.5	10.5	74%	Yes	R-32	3626801
KUSAF121F	1	12,000–12,000	18	8	70%	No	R-32	4529649
KUSAG121G	1	12,000–12,000	18	8	70%	No	R-32	4529646
KUSAL121A	1	12,000–12,000	25.5	11.2	113%	Yes	R-32	3799358
KUSAZ122A	1	12,000–12,000	20	8.5	70%	No	R-32	4675694
KUSUB121A	1	12,000–12,000	18	9.5	70%	Yes	R-32	4610464
LAU120HYV3	1	12,000–12,000	25.5	11.2	71%	Yes	R-410A	2448422
LSU120HSV5	2	12,000–12,000	22	10	71%	Yes	R-410A	2448420
KUSXA121A	1	12,500–12,500	17	9.8	100%	Yes	R-32	3629913
KUSAL151A	1	15,000–15,000	25	11.2	100%	Yes	R-32	3721917
LAU150HYV3	1	15,000–15,000	25	11	70%	Yes	R-410A	2448425
KUMXA181A	1	17,200–17,200	17	9	90%	Yes	R-32	3553129
LMU180HHV	1	17,200–17,200	19.25	8.9	90%	Yes	R-410A	2411141
LMU183HV	1	17,200–17,200	18.5	9	74%	No	R-410A	2411772
KUMXB181A	1	18,000–18,000	22.5	9.8	72%	No	R-32	3553133
KUSAB181A	2	18,000–18,000	23	10	70%	Yes	R-32	3626805
KUSAC181A	1	18,000–18,000	21	9.4	70%	Yes	R-32	3555700
KUSAD181A	1	18,000–18,000	21	9.4	70%	Yes	R-32	4430149
KUSAD181C	1	18,000–18,000	21	9.4	70%	Yes	R-32	4430156
KUSAE181A	1	18,000–18,000	18	8.9	70%	No	R-32	3555703
KUSAH181A	1	18,000–18,000	21	9.4	70%	Yes	R-32	4430139
KUSAL181A	1	18,000–18,000	24	11	100%	Yes	R-32	3721914
KUSAZ181A	1	18,000–18,000	21	9	70%	No	R-32	3799356
KUSUB181A	1	18,000–18,000	18	9	90%	Yes	R-32	4610463
KUSXA181A	5	18,000–18,000	20.5	10	120%	Yes	R-32	3629914
KUSXB181A	4	18,000–18,000	20.5	10	110%	Yes	R-32	3629917
LAU180HYV3	1	18,000–18,000	24	10.8	70%	Yes	R-410A	2448423
LSU181HSV5	2	18,000–18,000	22	9.5	70%	Yes	R-410A	2448419
LUU180HHV	3	18,000–18,000	20	9.4	88%	Yes	R-410A	2409982
LUU180HV	3	18,000–18,000	20.5	9.9	88%	Yes	R-410A	2545939
KUSAC241A	1	21,200–21,200	20	8.8	63%	No	R-32	3555701
KUSAD241A	1	21,200–21,200	20	8.8	63%	No	R-32	4430150
KUSAD241C	1	21,200–21,200	20	8.8	63%	No	R-32	4430155
KUSAE241A	1	21,200–21,200	18	8.3	63%	No	R-32	3555704
KUSAF241F	1	21,200–21,200	18	8	70%	No	R-32	4529648
KUSAH241A	1	21,200–21,200	20	8.8	63%	No	R-32	4439233
KUSAZ241A	1	21,200–21,200	20	8.4	63%	No	R-32	3799355
KUMXA241A	1	22,000–22,000	18.5	9.5	90%	Yes	R-32	3553130
KUSAL241A	1	22,000–22,000	23	10.2	90%	Yes	R-32	3721916
KUSAP241A	1	22,000–22,000	22	9.7	83%	Yes	R-32	3721915
LAU240HYV3	1	22,000–22,000	23	10	70%	Yes	R-410A	2448421
LSU243HLV3	1	22,000–22,000	22	9.5	70%	No	R-410A	2448417
KUSXA241A	3	23,000–24,000	22	10.5	104%	Yes	R-32	3544253
KUSXB241A	3	23,000–23,200	21	10.2	89%	Yes	R-32	3544257
LUU240HHV	4	23,000–24,000	21	10.2	105%	Yes	R-410A	2409975
LUU240HV	4	23,000–24,000	20	10.4	89%	Yes	R-410A	2545928
KUSUB241A	1	23,200–23,200	18	9	81%	Yes	R-32	4610462
ARUN024GSS4	1	24,000–24,000	18.15	10.2	84%	Yes	R-410A	2411672
KUMXB241A	1	24,000–24,000	22.5	9.8	70%	No	R-32	3553137
LMU240HHV	1	24,000–24,000	21	9.8	85%	Yes	R-410A	2411139
LMU243HV	1	24,000–24,000	22.5	9.4	64%	No	R-410A	2469662
ZRUN024GSS0	1	24,000–24,000	20.05	10.2	100%	Yes	R-32	3554363
KUSUB301A	1	27,000–27,000	18	9.5	80%	Yes	R-32	4610461
KUSXB301A	3	27,000–30,000	21	10	97%	Yes	R-32	3544255
LMU303HV	1	27,400–27,400	18.5	8.8	61%	No	R-410A	2411773
KUMXA301A	1	28,400–28,400	20	9.8	77%	Yes	R-32	3553134
LMU300HHV	1	28,400–28,400	20	9.8	84%	Yes	R-410A	2411140
KUMXB301A	1	30,000–30,000	22	9.5	57%	No	R-32	3621270
KUSXA301A	3	30,000–30,000	25	10.4	100%	Yes	R-32	3544265
LUU360HV	4	30,000–36,000	21	10	96%	Yes	R-410A	2410024
LMU363HV	1	30,800–30,800	18	8.6	56%	No	R-410A	2411774
KUMXB361A	1	32,800–32,800	21.5	9.5	54%	No	R-32	3621272
KUSUB361A	1	33,000–33,000	18	9.5	82%	Yes	R-32	4610460
KUSXA361A	3	33,000–36,000	23.5	10.5	90%	Yes	R-32	3544256
KUSXB361A	3	33,000–36,000	22	10.3	88%	Yes	R-32	3544269
LUU360HHV	3	33,000–36,000	21.5	10.55	92%	Yes	R-410A	2409976
ARUM036GSS5	1	36,000–36,000	17	10.1	110%	Yes	R-410A	2411136
KUMXA361A	1	36,000–36,000	22	11	92%	Yes	R-32	3621279
LMU361HHV	1	36,000–36,000	19	10	90%	Yes	R-410A	2411126
ZRUM036GSS0	1	36,000–36,000	23	10.6	100%	Yes	R-32	3554362
ARUN038GSS4	1	38,000–38,000	20.1	10.6	76%	Yes	R-410A	2411669
KUMXA421A	1	42,000–42,000	21.5	11	92%	Yes	R-32	3621281
KUSUB421A	1	42,000–42,000	18.5	9.5	80%	Yes	R-32	4610467
KUSXA421A	2	42,000–42,000	21.5	10.8	91%	Yes	R-32	3553101
KUSXA422A	1	42,000–42,000	19	9.8	100%	Yes	R-32	3630158
KUSXB421A	3	42,000–42,000	21	10.8	84%	Yes	R-32	3544271
LMU421HHV	1	42,000–42,000	20.25	10.5	91%	Yes	R-410A	2411128
LUU420HHV	3	42,000–42,000	19.5	10.75	83%	Yes	R-410A	2409980
LUU420HV	2	42,000–42,000	19.3	10.05	83%	Yes	R-410A	2416453
LUU601HV	3	42,000–52,500	17.5	9.3	83%	Yes	R-410A	2732233
KUSXB481A	3	45,500–48,000	21.2	10.4	78%	Yes	R-32	3544268
KUSXA482A	1	46,000–46,000	19	9.6	92%	Yes	R-32	3630159
LUU480HHV	3	46,000–48,000	17.75	10.65	82%	Yes	R-410A	2409978
ARUM048GSS5	1	48,000–48,000	17	10	86%	Yes	R-410A	2411135
ARUN048GSS4	1	48,000–48,000	20	10.2	72%	Yes	R-410A	2411663
KUMXA481A	1	48,000–48,000	20.5	10.5	91%	Yes	R-32	3621305
KUMXB481A	1	48,000–48,000	20.5	9.5	70%	No	R-32	3621273
KUSUB481A	1	48,000–48,000	18.5	9	75%	Yes	R-32	4610465
KUSXA481A	2	48,000–48,000	20.8	10.6	86%	Yes	R-32	3553104
LMU480HHV	1	48,000–48,000	19.5	10.25	90%	Yes	R-410A	2411130
LMU483HV	1	48,000–48,000	20.8	9.5	64%	No	R-410A	2411775
LUU480HV	1	48,000–48,000	16.5	9.3	79%	Yes	R-410A	2416451
ZRUM048GSS0	1	48,000–48,000	17	10	100%	Yes	R-32	3554358
KUMXB541A	1	50,500–50,500	20.6	9.5	67%	No	R-32	3621275
LMU543HV	1	50,500–50,500	20.6	9.3	62%	No	R-410A	2411777
KUSUB601A	1	52,500–52,500	18.5	9	70%	Yes	R-32	4610466
KUSXB601A	1	52,500–52,500	17.5	9.4	80%	Yes	R-32	3629923
KUMXB601A	1	56,000–56,000	20.5	10	72%	No	R-32	3621277
ARUB060GSS4	1	60,000–60,000	23	10	75%	Yes	R-410A	2411671
ARUN060GSS4	1	60,000–60,000	23	10	76%	Yes	R-410A	2411723
LMU601HV	1	60,000–60,000	18.5	9.5	70%	Yes	R-410A	2415860
ZRUM060GSS0	1	60,000–60,000	23	10	84%	Yes	R-32	3554359

Best values across pairings; open a unit page (DIY brands) or the ENERGY STAR record for each pairing.

See LG on the manufacturer's site (plain link, not an affiliate link)