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Fujitsu mini-split heat pumps

ENERGY STAR lists 89 Fujitsu outdoor units in 176 certified indoor pairings; 162 pairings (92%) carry the cold-climate designation. Refrigerants: R-410A (56), R-32 (120).

Outdoor unit	Pairings	Cooling BTU/h	Best SEER2	Best HSPF2	Best % at 5°F	Cold climate	Refrigerant	Top record
AOU9RLFF	1	9,000–9,000	26	11.8	149%	Yes	R-410A	2409910
AOU9RLFFH	1	9,000–9,000	26	11.6	149%	Yes	R-410A	2409909
AOUG09LZAH1	2	9,000–9,000	33.1	13.3	171%	Yes	R-410A	2417188
AOUG09LZAS1	2	9,000–9,000	33.1	13.4	171%	Yes	R-410A	2417187
AOUH09KMAS1	2	9,000–9,000	30	12.6	86%	Yes	R-32	3436354
AOUH09KPAS1	2	9,000–9,000	26	10.8	71%	No	R-32	3554408
AOUH09KTAP1	4	9,000–9,000	33.5	14	142%	Yes	R-32	3723086
AOUH09KUAH1	2	9,000–9,000	26	11.8	126%	Yes	R-32	4711850
AOUH09KUAS1	1	9,000–9,000	24.4	11.8	84%	Yes	R-32	3627229
AOUH09KUBS1	2	9,000–9,000	26	11.8	84%	Yes	R-32	4510246
AOUH09KZAH1	2	9,000–9,000	33.1	13.3	128%	Yes	R-32	3554344
AOUH09LEAS1	1	9,000–9,000	21.3	10	90%	Yes	R-410A	2409924
AOUH09LMAH1	1	9,000–9,000	26.5	12.3	104%	Yes	R-410A	2409907
AOUH09LMAS1	1	9,000–9,000	26.5	12.6	112%	Yes	R-410A	2409906
AOUH09LPAS1	1	9,000–9,000	20	10.5	74%	No	R-410A	2409901
AOUH09LUAS1	1	9,000–9,000	23.5	11.8	112%	Yes	R-410A	2409912
AOU12RLFF	1	12,000–12,000	22.7	11.2	112%	Yes	R-410A	2409916
AOU12RLFFH	1	12,000–12,000	22.7	11	112%	Yes	R-410A	2409915
AOUG12LZAH1	2	12,000–12,000	29.4	12.7	138%	Yes	R-410A	2409902
AOUG12LZAS1	2	12,000–12,000	29.4	12.9	138%	Yes	R-410A	2409903
AOUH12KMAS1	2	12,000–12,000	27.5	11.2	76%	Yes	R-32	3436355
AOUH12KPAS1	2	12,000–12,000	24	10.5	61%	No	R-32	3554409
AOUH12KTAP1	4	12,000–12,000	31.5	13.7	106%	Yes	R-32	3723087
AOUH12KUAH1	6	12,000–14,200	25	11.5	115%	Yes	R-32	4711848
AOUH12KUAS1	3	12,000–12,000	23.7	11.5	101%	Yes	R-32	3627230
AOUH12KUBS1	6	12,000–14,200	25	11.5	101%	Yes	R-32	4510247
AOUH12KZAH1	2	12,000–12,000	30.5	12.7	104%	Yes	R-32	3554345
AOUH12LMAH1	1	12,000–12,000	23	11.2	86%	No	R-410A	2417191
AOUH12LMAS1	1	12,000–12,000	23	11.1	86%	No	R-410A	2417197
AOUH12LMBH1	1	12,000–12,000	23	11	86%	Yes	R-410A	2417198
AOUH12LMBS1	1	12,000–12,000	23	11.1	86%	Yes	R-410A	2417199
AOUH12LUAS1	2	12,000–12,000	23	11.3	129%	Yes	R-410A	2409914
AOU15RLFF	1	14,200–14,200	20.3	10.7	121%	Yes	R-410A	2409927
AOU15RLFFH	1	14,200–14,200	20.3	10.5	121%	Yes	R-410A	2409926
AOUG15LZAH1	2	14,500–14,500	25.3	12.7	121%	Yes	R-410A	2417190
AOUG15LZAS1	2	14,500–14,500	25.3	12.8	121%	Yes	R-410A	2417189
AOUH15KTAP1	4	14,500–14,500	28.7	13	106%	Yes	R-32	3723088
AOUH15KZAH1	2	14,500–14,500	27.5	12.7	117%	Yes	R-32	3554346
AOUH18LUAS1	4	17,100–18,000	23.5	11.2	95%	Yes	R-410A	2409911
AOU18RGLX	2	18,000–18,000	22	10.5	101%	No	R-410A	2634296
AOU18RLXFWH	1	18,000–18,000	20	10	106%	Yes	R-410A	2417184
AOU18RLXFZ	1	18,000–18,000	18	8.7	0%	No	R-410A	2409939
AOU18RLXFZH	1	18,000–18,000	21.5	9.6	122%	Yes	R-410A	2409923
AOUH18KNAS1	1	18,000–18,000	20	9	81%	Yes	R-32	4497367
AOUH18KPAS1	2	18,000–18,000	22	10.5	103%	Yes	R-32	3627258
AOUH18KUAH1	6	18,000–18,000	24.5	11.4	112%	Yes	R-32	4711873
AOUH18KUAS1	6	18,000–18,000	26.3	11.4	82%	Yes	R-32	3627235
AOUH18KWAH2	1	18,000–18,000	22	11	100%	Yes	R-32	3627396
AOUH18KWAS2	1	18,000–18,000	22	10.5	77%	Yes	R-32	3627390
AOUH18KZAH1	2	18,000–18,000	25.5	12.5	115%	Yes	R-32	3629537
AOUH18LMAS1	1	18,000–18,000	21.1	11.5	120%	Yes	R-410A	2417196
AOU24RLXFWH	1	22,000–22,000	19.5	10.5	97%	Yes	R-410A	2417185
AOU24RLXFZ	1	22,000–22,000	18.5	8.7	0%	No	R-410A	2409935
AOU24RLXFZH	1	22,000–22,000	20	10	107%	Yes	R-410A	2409928
AOUH24KPAS1	2	22,000–22,000	21.5	10	83%	Yes	R-32	3627259
AOUH24KWAH3	1	22,000–22,000	23.5	11.5	101%	Yes	R-32	3627398
AOUH24KWAS3	1	22,000–22,000	23	10.5	80%	Yes	R-32	3627392
AOUH24KZAH1	2	22,000–22,000	24	11.9	100%	Yes	R-32	3629538
AOUH24LMAS1	1	22,000–22,000	22.5	11.4	114%	Yes	R-410A	2409918
AOU24RGLX	2	24,000–24,000	20.8	10.1	97%	No	R-410A	2634287
AOUH24KUAH1	4	24,000–24,000	23.2	11	113%	Yes	R-32	4711869
AOUH24KUAS1	4	24,000–24,000	23.2	11	91%	Yes	R-32	3627236
AOUH24LUAS1	4	24,000–24,000	23	11	98%	Yes	R-410A	2409913
AOUK024SSAN7	1	24,000–24,000	22.2	11.3	94%	Yes	R-32	3813049
AOUH30LUAH1	3	28,600–28,600	22	11	110%	Yes	R-410A	2409919
AOU30RLXEH	1	30,000–30,000	18.7	10	101%	Yes	R-410A	2417186
AOUH30KPAS1	2	30,000–30,000	22	10.2	86%	Yes	R-32	3629536
AOUH30KUAH1	4	30,000–30,000	23	11	106%	Yes	R-32	4511765
AOUH30KUAS1	4	30,000–30,000	22.4	10.6	92%	Yes	R-32	3627237
AOUH30LUAS1	1	30,000–30,000	21.5	10.6	93%	Yes	R-410A	2409921
AOUH36KPAS1	2	33,000–33,000	21	10	76%	Yes	R-32	3621237
AOUH36KWAS4	1	34,400–34,400	22	10	66%	No	R-32	3627394
AOU36RLXFZH	1	35,200–35,200	20.5	9.5	101%	Yes	R-410A	2409925
AOUH36KWAH4	1	35,200–35,200	22	10	100%	Yes	R-32	3630082
AOUH36KWBH4	1	35,200–35,200	22	10	100%	Yes	R-32	4515407
AOUG36LMAS1	1	36,000–36,000	17.1	8.8	91%	Yes	R-410A	2409794
AOUH36KUAH1	4	36,000–36,000	22	10.7	108%	Yes	R-32	4511764
AOUH36KUAS1	4	36,000–36,000	21.3	10.5	84%	Yes	R-32	3627238
AOUK036MSAN7	1	36,000–36,000	23.1	10.3	96%	Yes	R-32	4618597
AOUK036SSAN7	1	36,000–36,000	21.7	10.8	87%	Yes	R-32	3813050
AOUH42KUAH1	2	42,000–42,000	22	10.6	102%	Yes	R-32	4511766
AOUH42KUAS1	2	42,000–42,000	19	10.4	79%	Yes	R-32	3630313
AOUH45KWAS5	1	43,000–43,000	19	9	77%	Yes	R-32	3630081
AOUH45KWBS5	1	43,000–43,000	22	10	80%	Yes	R-32	4515404
AOUH48KUAH1	3	45,500–46,000	21.5	10.5	100%	Yes	R-32	4511767
AOUH48KUAS1	3	45,500–46,000	18.2	10.2	80%	Yes	R-32	3630314
AOUK048MSAN7	1	48,000–48,000	23	9.8	78%	Yes	R-32	4618589
AOUK048SSAN7	1	48,000–48,000	20.2	10.2	77%	Yes	R-32	3813053
AOUK060MSAN7	1	60,000–60,000	22.2	9.5	70%	Yes	R-32	4618588

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

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