AUX heat pumps

89 ENERGY STAR certified AUX outdoor units (84 mini-split, 5 central). The most efficient is the AMAR09HP115V1CO at 25.0 SEER2 and 10.5 HSPF2; 79 models are rated for cold climates.

Some of these units are also certified under COSTWAY, TGM, AUFIT, ACIQ, Armbridge, Premium Levella, HAVELLS, XTRON.

ENERGY STAR data, updated October 12, 2026

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

#		Type						Cold
1	AUX AMAR09HP115V1COC-Series	Mini-split	9,000 BTU	25.0	14.0	10.5	9,400	Yes	1
2	AUX AMAR09HP230V1COC-Series	Mini-split	9,000 BTU	25.0	13.6	10.5	9,500	Yes	1
3	AUX AMAR12HP115V1COC-Series	Mini-split	12,000 BTU	25.0	12.0	10.5	9,600	Yes	1
4	AUX AMAR24HP230V1COC-Series	Mini-split	24,000 BTU	25.0	14.0	10.5	21,400	Yes	1
5	AUX AMAR24HP230V2COC-Series	Mini-split	24,000 BTU	25.0	14.0	10.5	20,400	Yes	1
6	AUX ASW-H18E3B2/*R3DI-D2M-Series	Mini-split	18,000 BTU	25.0	14.0	10.5	15,000	Yes	2
7	AUX ASW-H24F6A2/ *R3DI-D7C-Series	Mini-split	24,000 BTU	25.0	14.0	10.5	20,400	Yes	2
8	AUX AMAR12HP230V1COC-Series	Mini-split	12,000 BTU	25.0	12.1	10.2	9,700	Yes	1
9	AUX AMAR18HP230V1COC-Series	Mini-split	18,000 BTU	25.0	14.0	10.2	15,500	Yes	1
10	AUX AM4-H36/2DR3BC-Series	Mini-split	36,000 BTU	24.0	12.5	11.0	33,000	Yes	1
11	AUX ASUM36HPMULOC-Series	Mini-split	36,000 BTU	24.0	12.5	11.0	34,000	Yes	3
12	AUX AM3-H24/2DR3BC-Series	Mini-split	24,000 BTU	24.0	13.0	10.5	26,000	Yes	1
13	AUX AM5-H42/2DR3BC-Series	Mini-split	42,000 BTU	24.0	12.5	10.5	34,000	Yes	1
14	AUX ASUM24HPMULOC-Series	Mini-split	24,000 BTU	24.0	13.0	10.5	26,000	Yes	3
15	AUX ASUM42HPMULOC-Series	Mini-split	42,000 BTU	24.0	12.5	10.5	35,000	Yes	3
16	AUX ASW-H12C5B2/*R3DI-C9M-Series	Mini-split	12,000 BTU	24.0	12.0	10.0	8,900	Yes	2
17	AUX ASW-H12C5B3/*R3DI-C6M-Series	Mini-split	12,000 BTU	24.0	12.0	10.0	9,300	Yes	2
18	AUX AM2-H18/2DR3BC-Series	Mini-split	18,000 BTU	23.3	12.5	11.0	21,800	Yes	1
19	AUX ASUM18HPMULOC-Series	Mini-split	18,000 BTU	23.3	12.5	11.0	21,800	Yes	3
20	AUX ASW-H12C5C2/*R3DI-C5M-Series	Mini-split	12,000 BTU	23.0	12.0	10.1	9,600	Yes	1
21	AUX AM3-H24/2DR3AA-Series	Mini-split	24,000 BTU	23.0	12.5	10.0	21,600	Yes	1
22	AUX AM4-H30/2DR3AA-Series	Mini-split	30,000 BTU	23.0	12.5	10.0	24,600	Yes	1
23	AUX AM4-H36/2DR3AA-Series	Mini-split	36,000 BTU	23.0	12.3	10.0	25,600	Yes	1
24	AUX ASPR24HPMULOA-Series	Mini-split	24,000 BTU	23.0	12.5	10.0	21,600	Yes	3
25	AUX ASPR30HPMULOA-Series	Mini-split	30,000 BTU	23.0	12.5	10.0	24,600	Yes	3
26	AUX ASPR36HPMULOA-Series	Mini-split	36,000 BTU	23.0	12.3	10.0	25,600	Yes	3
27	AUX AFEB09HP230V1COC-Series	Mini-split	9,000 BTU	23.0	13.0	9.5	9,300	Yes	1
28	AUX AFEB24HP230V1COC-Series	Mini-split	24,000 BTU	22.0	12.0	10.0	20,800	Yes	1
29	AUX AM2-H18/2DR3AA-Series	Mini-split	18,000 BTU	22.0	12.3	10.0	14,500	Yes	1
30	AUX AM5-H42/2DR3AA-Series	Mini-split	36,000 BTU	22.0	12.0	10.0	32,400	Yes	1
31	AUX ASPR18HPMULOA-Series	Mini-split	18,000 BTU	22.0	12.3	10.0	14,500	Yes	3
32	AUX ASPR42HPMULOA-Series	Mini-split	36,000 BTU	22.0	12.0	10.0	32,400	Yes	3
33	AUX ASW-H24F8A2/*R3DI-C7M-Series	Mini-split	24,000 BTU	22.0	12.0	10.0	20,800	Yes	2
34	AUX AFEB09HP115V1COC-Series	Mini-split	9,000 BTU	22.0	13.0	9.5	9,200	Yes	1
35	AUX AFEB12HP115V1COC-Series	Mini-split	12,000 BTU	22.0	11.4	9.5	9,200	Yes	1
36	AUX AFEB12HP230V1COC-Series	Mini-split	12,000 BTU	22.0	11.8	9.5	9,300	Yes	1
37	AUX ASW-H09B6B8/*R3DI-C3QF-series	Mini-split	9,000 BTU	22.0	13.5	9.5	8,800	Yes	1
38	AUX ASW-H12C5C2/P*R3DI-C5P series	Mini-split	12,000 BTU	22.0	11.5	9.5	9,200	Yes	1
39	AUX ASW-H12C5C3/*R3DI-C5M-Series	Mini-split	12,000 BTU	22.0	12.0	9.5	9,200	Yes	2
40	AUX ASW-H12C5C3/P*R3DI-C5P series	Mini-split	12,000 BTU	22.0	11.5	9.5	9,200	Yes	1
41	AUX ASW-H12C5D2/*R3DI-C5M-Series	Mini-split	12,000 BTU	22.0	11.3	9.5	9,100	Yes	2
42	AUX ASW-H18E3C2/*R3DI-C3M-Series	Mini-split	18,000 BTU	22.0	12.0	9.5	13,500	Yes	2
43	AUX AJAN09HP230V1COC-Series	Mini-split	9,000 BTU	22.0	12.0	9.2	9,200	Yes	1
44	AUX XH09MAA2DI-20USC-Series	Mini-split	9,000 BTU	22.0	12.0	9.2	9,200	Yes	2
45	AUX ASW-H12C5A3/*R3DI-C3HI EFFICIENCY	Mini-split	12,000 BTU	22.0	10.0	9.0	8,200	No	2
46	AUX AFEB09HP230V1CO-UQ-Series	Mini-split	9,000 BTU	22.0	13.0	9.0	9,300	No	2
47	AUX ASW-H09B6A3/*R3DI-C3M-Series	Mini-split	9,000 BTU	22.0	13.0	8.5	8,700	Yes	1
48	AUX ASW-H09B6A3/Q*R3DI-C0Q Series	Mini-split	9,000 BTU	22.0	11.0	8.0	6,700	Yes	1
49	AUX AFEB18HP230V2COC-Series	Mini-split	18,000 BTU	21.5	11.5	9.5	14,500	Yes	1
50	AUX ASW-H24F4D2/ *R3DI-C6Q series	Mini-split	24,000 BTU	21.0	13.0	10.0	5,600	No	1
51	AUX ASW-H24G1D2/*R3DI-C6H series	Mini-split	24,000 BTU	21.0	12.0	10.0	15,300	No	1
52	AUX ASW-H12C5A2/ *R3DI-C5Q series	Mini-split	12,000 BTU	21.0	12.0	10.0	8,200	No	1
53	AUX ASW-H18E3B2/*R3DI-C3M-Series	Mini-split	18,000 BTU	21.0	12.0	9.7	14,000	Yes	1
54	AUX ASW-H18E3A2/ *R3DI-C3Q series	Mini-split	18,000 BTU	21.0	12.0	9.0	11,600	No	1
55	AUX AJAN12HP230V1COC-Series	Mini-split	12,000 BTU	21.0	9.9	8.8	9,200	Yes	1
56	AUX XH12MAA2DI-20USC-Series	Mini-split	12,000 BTU	21.0	9.9	8.8	9,200	Yes	2
57	AUX AH09MHA2DI-20USC-Series	Mini-split	9,000 BTU	20.0	12.0	9.2	9,200	Yes	1
58	AUX AH18MHA2DI-20USC-Series	Mini-split	18,000 BTU	20.0	11.0	9.0	14,200	Yes	1
59	AUX AJAN18HP230V1COC-Series	Mini-split	18,000 BTU	20.0	11.0	9.0	14,200	Yes	1
60	AUX AJAN24HP230V1COC-Series	Mini-split	24,000 BTU	20.0	11.5	9.0	20,000	Yes	1
61	AUX FH18QCA2DI-20USQ Series	Mini-split	18,000 BTU	20.0	11.0	9.0	12,600	Yes	2
62	AUX XH18MAA2DI-20USC-Series	Mini-split	18,000 BTU	20.0	11.0	9.0	14,200	No	2
63	AUX XH24MAA2DI-20USC-Series	Mini-split	24,000 BTU	20.0	11.5	9.0	20,000	No	2
64	AUX AH12MHA2DI-20USC-Series	Mini-split	12,000 BTU	20.0	9.9	8.8	9,200	Yes	1
65	AUX AJAN36HP230V1COC-Series	Mini-split	36,000 BTU	20.0	10.1	8.6	23,800	Yes	2
66	AUX AH09MHA3DI-20USC-Series	Mini-split	9,000 BTU	20.0	11.4	8.5	9,000	Yes	1
67	AUX AH12MHA3DI-20USC-Series	Mini-split	12,000 BTU	20.0	9.6	8.5	9,200	Yes	1
68	AUX AJAN09HP115V1COC-Series	Mini-split	9,000 BTU	20.0	11.4	8.5	9,000	Yes	1
69	AUX AJAN12HP115V1COC-Series	Mini-split	12,000 BTU	20.0	9.6	8.5	9,200	Yes	1
70	AUX AJAN36HP230V2COC-Series	Mini-split	36,000 BTU	20.0	10.1	8.5	23,800	Yes	1
71	AUX XH09MAA3DI-20USC-Series	Mini-split	9,000 BTU	20.0	11.4	8.5	9,000	No	2
72	AUX XH12MAA3DI-20USC-Series	Mini-split	12,000 BTU	20.0	9.6	8.5	9,200	Yes	2
73	AUX AHU18HPV1BOB-Series	Mini-split	18,000 BTU	19.2	11.6	9.0	20,400	Yes	2
74	AUX AHU24HPV1BOB-Series	Central	2-ton	19.0	11.0	9.5	23,000	Yes	1
75	AUX AH09MHA2DI-19USC-Series	Mini-split	9,000 BTU	19.0	12.0	9.2	9,200	Yes	1
76	AUX AH18MHA2DI-19USC-Series	Mini-split	18,000 BTU	19.0	11.0	9.0	14,200	Yes	1
77	AUX ASW-H18E3B2/Q*R3DI-C3Q-Series	Mini-split	18,000 BTU	19.0	11.0	9.0	12,600	Yes	1
78	AUX AH12MHA2DI-19USC-Series	Mini-split	12,000 BTU	19.0	9.9	8.8	9,200	Yes	1
79	AUX AH09MHA3DI-19USC-Series	Mini-split	9,000 BTU	19.0	11.4	8.5	9,000	Yes	1
80	AUX AH12MHA3DI-19USC-Series	Mini-split	12,000 BTU	19.0	9.6	8.5	9,200	Yes	1
81	AUX AFEB12HP230V1CO-UQ-Series	Mini-split	12,000 BTU	18.5	11.0	8.6	9,300	No	2
82	AUX AHU36HPV1BOB-Series	Central	3-ton	18.2	10.0	10.0	38,000	Yes	1
83	AUX AH24MHA2DI-18USC-Series	Mini-split	24,000 BTU	18.0	11.5	9.0	20,000	Yes	1
84	AUX AH24MHB2DI-18USC-Series	Mini-split	24,000 BTU	18.0	11.5	9.0	20,000	Yes	1
85	AUX AHU30HPV1BOB-Series	Central	2.5-ton	18.0	11.6	9.0	32,200	Yes	1
86	AUX AH36LCA2DI-18USC-Series	Mini-split	36,000 BTU	18.0	10.1	8.6	23,800	Yes	1
87	AUX AH36LCB2DI-18USC-Series	Mini-split	36,000 BTU	18.0	10.1	8.6	23,800	Yes	1
88	AUX AHU48HPV1BOB-Series	Central	4-ton	17.0	10.0	9.5	48,000	Yes	1
89	AUX AHU60HPV1BOB-Series	Central	5-ton	16.5	9.5	9.5	48,000	Yes	1