Best mini-split heat pumps

Ductless and ducted mini-split heat pumps, single-zone and multi-zone. Sizes are nominal BTU ratings; 12,000 BTU equals one ton.

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2,415 certified models, 1,992 rated for cold climates. Each size has its own ranking with the best picks for cold and hot climates. Not sure which size?

The 50 most efficient mini-split heat pumps

50 models, ranked by SEER2 (cooling efficiency), then HSPF2.

#							Cold
1	Carrier 37MPRAQ06AA345M Series	6,000 BTU	35.1	17.5	15.6	13,500	Yes	7
2	MDV MOX430-06HFN10-M1HMSEP Series	6,000 BTU	35.1	17.5	15.6	13,500	Yes	3
3	Mainline ML06HP230CALH-OML Series	6,000 BTU	35.0	17.4	15.6	13,500	Yes	2
4	Midea MO1SS-H06B-2AMSE Series	6,000 BTU	35.0	17.4	15.6	13,500	Yes	1
5	Mitsubishi Electric MUZ-FX06NLHZM-Series	6,000 BTU	35.0	21.5	13.0	12,600	Yes	1
6	Carrier 37MPRAQ09AA345M Series	9,000 BTU	33.5	17.0	14.6	13,500	Yes	7
7	MDV MOX430-09HFN10-M1HMSEP Series	9,000 BTU	33.5	17.0	14.6	13,500	Yes	3
8	Fujitsu AOUH09KTAP1AIRSTAGE H-Series	9,000 BTU	33.5	19.1	14.0	17,000	Yes	4
9	Mainline ML09HP230CALH-OML Series	9,000 BTU	33.3	17.0	14.6	13,500	Yes	2
10	Midea MO1SS-H09B-2AMSE Series	9,000 BTU	33.3	17.0	14.6	13,500	Yes	1
11	Arcoaire D5CPRAH06AAKD5F Series	6,000 BTU	33.1	16.5	15.6	13,500	Yes	11
12	Fujitsu AOUG09LZAS1H-Series	9,000 BTU	33.1	18.0	13.4	15,400	Yes	2
13	Fujitsu AOUG09LZAH1H-Series	9,000 BTU	33.1	18.0	13.3	15,400	Yes	2
14	Fujitsu AOUH09KZAH1AIRSTAGE H-Series	9,000 BTU	33.1	18.8	13.3	15,400	Yes	2
15	Mitsubishi Electric MUZ-FX09NLHZM-Series	9,000 BTU	33.1	18.4	13.3	14,700	Yes	1
16	American Standard / Mitsubishi Electric NAXSPH06B112AM-Series	6,000 BTU	32.2	19.1	11.9	10,500	Yes	1
17	Mitsubishi Electric MUZ-FS06NAM-Series	6,000 BTU	32.2	19.1	11.9	10,500	Yes	3
18	American Standard / Mitsubishi Electric NAXSPB06B112AM-Series	6,000 BTU	32.2	19.1	10.9	10,500	Yes	1
19	Mitsubishi Electric MUZ-FS06NAHM-Series	6,000 BTU	32.2	19.1	10.9	10,500	Yes	3
20	Hisense AO-09U3T25PHi-PRO	9,000 BTU	32.0	18.4	11.8	12,200	Yes	2
21	Hisense AS-09UW3TBW00Hi-Pro	9,000 BTU	32.0	18.4	11.8	12,200	Yes	1
22	Smart Comfort D5CPRAH09AAKD5F Series	9,000 BTU	31.5	16.0	14.6	13,500	Yes	11
23	Fujitsu AOUH12KTAP1AIRSTAGE H-Series	12,000 BTU	31.5	16.7	13.7	16,200	Yes	4
24	Fujitsu AOUH12KZAH1AIRSTAGE H-Series	12,000 BTU	30.5	16.0	12.7	16,600	Yes	2
25	GE Appliances ASH109URDEEndure	9,000 BTU	30.0	16.0	14.0	10,600	Yes	2
26	GE Appliances ASH109URDSEEndure	9,000 BTU	30.0	16.0	14.0	5,900	No	1
27	Fujitsu AOUH09KMAS1AIRSTAGE H series	9,000 BTU	30.0	16.4	12.6	10,300	Yes	2
28	Hisense AO-12U3T25PHi-PRO	12,000 BTU	30.0	15.4	11.8	12,200	Yes	2
29	Hisense AS-12UW3TBW00Hi-Pro	12,000 BTU	30.0	15.4	11.8	12,200	Yes	1
30	Ouellet OARX-H09A-OOlympia	9,000 BTU	30.0	16.8	11.2	11,500	Yes	3
31	TOSOT TW09HAY32A1DOAiry	9,000 BTU	30.0	16.8	11.2	11,500	Yes	6
32	TOSOT TW09WH29D6DOAiry	9,000 BTU	30.0	16.8	11.2	11,500	Yes	1
33	TOSOT TWH09AD32AOAiry	9,000 BTU	30.0	16.8	11.2	11,500	Yes	5
34	Mitsubishi Electric MUZ-FX12NLHZM-Series	12,000 BTU	29.9	15.4	12.4	16,200	Yes	1
35	American Standard / Mitsubishi Electric NAXSPH09B112AM-Series	9,000 BTU	29.8	16.1	10.9	11,300	Yes	1
36	Mitsubishi Electric MUZ-FS09NAM-Series	9,000 BTU	29.8	16.1	10.9	11,300	Yes	3
37	American Standard / Mitsubishi Electric NAXSPB09B112AM-Series	9,000 BTU	29.8	16.1	10.0	11,300	Yes	1
38	Mitsubishi Electric MUZ-FH09NAHM-Series	9,000 BTU	29.8	16.1	10.0	-	No	1
39	Mitsubishi Electric MUZ-FS09NAHM-Series	9,000 BTU	29.8	16.1	10.0	11,300	Yes	3
40	Carrier 37MPRAQ12AA345M Series	12,000 BTU	29.5	14.3	12.7	13,500	Yes	7
41	MDV MOX430-12HFN10-M1HMSEP Series	12,000 BTU	29.5	14.3	12.7	13,500	Yes	3
42	GREE GS12HP230V1RYOAiry	12,000 BTU	29.5	15.2	10.0	12,200	Yes	1
43	TOSOT TW12HAY32A1DOAiry	12,000 BTU	29.5	15.2	10.0	12,200	Yes	6
44	TOSOT TW12WH29D6DOAiry	12,000 BTU	29.5	15.2	10.0	12,200	Yes	1
45	TOSOT TWH12AD32AOAiry	12,000 BTU	29.5	15.2	10.0	12,200	Yes	6
46	Fujitsu AOUG12LZAS1H-Series	12,000 BTU	29.4	15.2	12.9	16,600	Yes	2
47	Fujitsu AOUG12LZAH1H-Series	12,000 BTU	29.4	15.2	12.7	16,600	Yes	2
48	Mainline ML12HP230CALH-OML Series	12,000 BTU	29.4	14.2	12.7	13,500	Yes	2
49	Midea MO1SS-H12B-2AMSE Series	12,000 BTU	29.4	14.2	12.7	13,500	Yes	1
50	MDV MOX430-09HFN1-MZG5WMSOP series	9,000 BTU	29.0	16.5	15.0	13,700	Yes	5

Best ratings in each size11 sizes

6,000 BTU35.1 SEER2 · 15.6 HSPF2 · 39 cold-climate
9,000 BTU33.5 SEER2 · 15.0 HSPF2 · 328 cold-climate
12,000 BTU31.5 SEER2 · 14.5 HSPF2 · 315 cold-climate
15,000 BTU28.7 SEER2 · 13.0 HSPF2 · 44 cold-climate
18,000 BTU27.5 SEER2 · 15.5 HSPF2 · 380 cold-climate
24,000 BTU27.5 SEER2 · 14.5 HSPF2 · 371 cold-climate
30,000 BTU26.0 SEER2 · 12.0 HSPF2 · 114 cold-climate
36,000 BTU25.0 SEER2 · 13.5 HSPF2 · 179 cold-climate
42,000 BTU24.0 SEER2 · 11.2 HSPF2 · 56 cold-climate
48,000 BTU24.4 SEER2 · 12.0 HSPF2 · 130 cold-climate
60,000 BTU23.3 SEER2 · 11.0 HSPF2 · 36 cold-climate

Brands132

Other types

ENERGY STAR data, updated October 12, 2026