1HVAC heat pumps

105 ENERGY STAR certified 1HVAC outdoor units (63 mini-split, 40 central, 2 packaged). The most efficient is the ACIQ-09ZPL-HP230B at 28.1 SEER2 and 12.4 HSPF2; 90 models are rated for cold climates.

Some of these units are also certified under DIYCOOL, STEALTH, PolarWave, Bryant, WeatherMaker, Midea, Payne, ACIQ.

ENERGY STAR data, updated October 12, 2026

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

#		Type						Cold
1	1HVAC ACIQ-09ZPL-HP230BACIQ	Mini-split	9,000 BTU	28.1	16.2	12.4	10,800	Yes	26
2	1HVAC ACIQ-09ZPL-HP230CACIQ Series	Mini-split	9,000 BTU	27.4	15.4	13.8	11,900	Yes	12
3	1HVAC 38MARBQ06AA338MAR-series	Mini-split	6,000 BTU	26.5	15.8	13.6	8,000	Yes	10
4	1HVAC ACIQ-09ZS-HP230CACIQ Series	Mini-split	9,000 BTU	26.0	16.2	13.9	8,600	Yes	11
5	1HVAC A-VHP06SA-1A-VHP Series	Mini-split	6,000 BTU	25.5	18.0	14.8	8,100	Yes	6
6	1HVAC ACIQ-12ZS-HP230CACIQ Series	Mini-split	12,000 BTU	25.5	13.0	11.5	8,900	Yes	8
7	1HVAC ACIQ-12ZPL-HP230BACIQ	Mini-split	12,000 BTU	25.5	14.0	10.7	12,100	Yes	35
8	1HVAC ACIQ-12ZPL-HP230CACIQ Series	Mini-split	12,000 BTU	25.4	13.4	11.6	12,000	Yes	10
9	1HVAC ES-18Z-M3CM3O Series	Mini-split	18,000 BTU	25.1	14.0	10.0	14,600	Yes	6
10	1HVAC ACIQ-18Z-HH-M3CM3O Series	Mini-split	18,000 BTU	25.0	15.0	10.4	19,000	Yes	6
11	1HVAC ES-27Z-M4CES Series	Mini-split	24,000 BTU	25.0	13.0	9.5	19,000	Yes	6
12	1HVAC ES-27Z-M3BES SERIES	Mini-split	30,000 BTU	24.6	12.7	9.5	19,000	No	15
13	1HVAC ACIQ-09ZS-HP115CACIQ Series	Mini-split	9,000 BTU	24.5	15.0	10.7	7,300	Yes	3
14	1HVAC ACIQ-18ZS-HP230CACIQ Series	Mini-split	18,000 BTU	24.0	13.5	12.2	14,200	Yes	9
15	1HVAC ES-48Z-M6CES Series	Mini-split	48,000 BTU	24.0	12.5	10.6	38,000	Yes	6
16	1HVAC ES-36Z-M5CES Series	Mini-split	36,000 BTU	24.0	12.0	9.5	26,000	Yes	6
17	1HVAC EZ-18Z-M2BEZ Series	Mini-split	18,000 BTU	23.9	13.0	10.0	13,300	Yes	4
18	1HVAC ES-36Z-M4B38MG-series	Mini-split	36,000 BTU	23.9	11.7	9.5	25,200	No	15
19	1HVAC 4C25SCH24H214C22 Series	Mini-split	24,000 BTU	23.5	13.0	11.7	19,600	Yes	8
20	1HVAC EZ-12ZPL-HP115BEZ Series	Mini-split	12,000 BTU	23.5	12.5	10.2	8,400	Yes	4
21	1HVAC 38MGRBQ48EA338MG-series	Mini-split	48,000 BTU	23.4	12.5	9.2	33,000	No	10
22	1HVAC ACIQ-12ZS-HP115CACIQ Series	Mini-split	12,000 BTU	23.2	12.5	10.4	7,300	No	3
23	1HVAC ACIQ-48Z-HH-M6CACIQ Series	Mini-split	48,000 BTU	23.0	12.0	11.0	48,000	Yes	6
24	1HVAC ACIQ-36Z-HH-M5CACIQ Series	Mini-split	36,000 BTU	23.0	13.0	10.7	38,000	Yes	6
25	1HVAC ACIQ-27Z-HH-M3BACIQ	Mini-split	30,000 BTU	23.0	12.5	10.6	25,000	Yes	16
26	1HVAC ACIQ-27Z-HH-M4CM4O Series	Mini-split	30,000 BTU	23.0	12.5	10.5	27,000	Yes	6
27	1HVAC EZ-36Z-M4BEZ Series	Mini-split	36,000 BTU	23.0	12.0	9.9	25,200	Yes	12
28	1HVAC EZ-27Z-M3BEZ Series	Mini-split	24,000 BTU	23.0	12.0	9.5	19,200	Yes	12
29	1HVAC ES-18Z-M2BES SERIES	Mini-split	18,000 BTU	22.9	13.9	10.5	13,300	Yes	15
30	1HVAC EZ-18ZPL-HP230EZ Series	Mini-split	18,000 BTU	22.7	12.6	9.8	11,700	No	4
31	1HVAC EZ-24ZPL-HP230BEZ Series	Mini-split	24,000 BTU	22.7	12.7	9.5	16,100	No	4
32	1HVAC EZ-18ZPL-HP230BEZ Series	Mini-split	18,000 BTU	22.5	13.7	11.5	12,800	Yes	4
33	1HVAC EZ-12ZPL-HP115EZ Series	Mini-split	12,000 BTU	22.5	12.5	9.0	6,400	No	4
34	1HVAC ACIQ-24ZPL-HP230CACIQ Series	Mini-split	24,000 BTU	22.3	12.5	13.5	24,200	Yes	9
35	1HVAC ACIQ-55Z-HH-M6CM6O Series	Mini-split	48,000 BTU	22.2	12.0	10.7	48,000	Yes	6
36	1HVAC ACIQ-36Z-HH-M4BACIQ	Mini-split	36,000 BTU	22.2	13.6	10.3	36,000	Yes	16
37	1HVAC ACIQ-18Z-HH-M2BACIQ	Mini-split	18,000 BTU	22.0	12.5	9.8	19,700	Yes	15
38	1HVAC EZ-27Z-M3EZ Series	Mini-split	24,000 BTU	22.0	12.0	9.5	19,000	Yes	4
39	1HVAC ACIQ-55Z-HH-M5BACIQ	Mini-split	60,000 BTU	22.0	10.5	9.5	46,000	Yes	15
40	1HVAC EZ-48Z-M5BEZ Series	Mini-split	42,000 BTU	21.8	12.0	10.5	37,000	Yes	12
41	1HVAC 38MGHBQ48EA338MG-series	Mini-split	48,000 BTU	21.8	11.7	9.8	45,000	Yes	15
42	1HVAC ACIQ-18ZPL-HP230CACIQ Series	Mini-split	18,000 BTU	21.7	13.0	12.3	18,000	Yes	12
43	1HVAC ACIQ-24ZPL-HP230BACIQ	Mini-split	24,000 BTU	21.5	13.0	11.4	27,000	Yes	26
44	1HVAC ACIQ-18ZPL-HP230BACIQ	Mini-split	18,000 BTU	21.5	12.5	11.3	18,000	Yes	40
45	1HVAC ACIQ-09Z-HP115CACIQ Series	Mini-split	9,000 BTU	21.5	12.5	9.0	6,500	No	2
46	1HVAC ACIQ-09Z-HP115BACIQ	Mini-split	9,000 BTU	21.5	12.5	9.0	6,000	No	6
47	1HVAC ACIQ-36ZPL-HP230CACIQ Series	Mini-split	36,000 BTU	21.2	12.0	11.1	39,500	Yes	6
48	1HVAC EZ-18Z-M2EZ Series	Mini-split	18,000 BTU	21.2	12.5	9.6	14,000	Yes	4
49	1HVAC ACIQ-09Z-HP230CML Series	Mini-split	9,000 BTU	21.2	12.6	9.1	7,000	Yes	2
50	1HVAC SC-27Z-HH-M4BExtreme Heat	Mini-split	24,000 BTU	21.0	12.5	10.0	21,600	Yes	4
51	1HVAC ACIQ-12-EHPDACIQ Series	Central	under 1.5-ton	21.0	12.5	10.0	11,200	Yes	2
52	1HVAC SC-30Z-HH-M4BNew Multi-zone ODU	Mini-split	30,000 BTU	21.0	12.5	10.0	22,800	Yes	1
53	1HVAC SC-42Z-HH-M5BNew Multi-zone ODU	Mini-split	36,000 BTU	21.0	12.0	10.0	32,400	Yes	1
54	1HVAC EZ-24ZPL-HP230EZ Series	Mini-split	24,000 BTU	20.5	12.5	9.2	15,500	No	4
55	1HVAC EZ-48Z-M5ES SERIES	Mini-split	48,000 BTU	20.5	11.0	9.2	29,800	No	4
56	1HVAC EZ-09Z-HP115BES SERIES	Mini-split	9,000 BTU	20.2	11.3	9.2	6,200	No	4
57	1HVAC EZ-09Z-HP115EZ Series	Mini-split	9,000 BTU	20.0	11.5	9.4	6,400	No	4
58	1HVAC ACIQ-30Z-HP230CMOS Series	Mini-split	30,000 BTU	20.0	11.0	9.2	19,700	No	2
59	1HVAC ACIQ-36ZPL-HP230BACIQ	Mini-split	36,000 BTU	19.4	9.5	11.0	40,000	Yes	15
60	1HVAC ACIQ-18-HPDACIQ Series	Central	1.5-ton	19.3	12.1	10.8	19,600	Yes	13
61	1HVAC ACIQ-18-HPBACIQ series	Central	1.5-ton	19.3	12.1	10.8	18,800	Yes	25
62	1HVAC ACIQ-24-HPBACIQ series	Central	2-ton	19.0	12.0	10.5	24,000	Yes	23
63	1HVAC ACIQ-48-HP32R32 Extreme Heat Unitary	Central	4-ton	19.0	11.7	10.0	48,000	Yes	4
64	1HVAC ACIQ-18-EHPDACIQ Series	Central	1.5-ton	18.8	11.0	9.1	11,400	No	4
65	1HVAC ACIQ-24Z-HP230CMSAG Series	Mini-split	24,000 BTU	18.7	10.0	9.3	17,000	Yes	2
66	1HVAC ACIQ-24-HPDACIQ Series	Central	2-ton	18.6	12.0	10.5	21,600	Yes	13
67	1HVAC ACIQ-48ZPL-HP230CACIQ Series	Mini-split	48,000 BTU	18.5	9.4	10.8	47,500	Yes	6
68	1HVAC EZ-24-HPBEZ Series	Central	2-ton	18.4	11.7	10.0	21,600	Yes	4
69	1HVAC ACIQ-60-HP32R32 Extreme Heat Unitary	Central	4-ton	18.2	11.2	10.5	54,000	Yes	4
70	1HVAC ACIQ-30-HPBACIQ series	Central	2.5-ton	18.2	11.7	9.7	27,000	Yes	30
71	1HVAC ACIQ-24-EHPDACIQ Series	Central	2-ton	18.1	11.0	10.4	21,600	Yes	10
72	1HVAC EZ-24-EHPBEZ Series	Central	2-ton	18.1	11.0	9.7	21,600	Yes	4
73	1HVAC ACIQ-60ZPL-HP230CACIQ Series	Mini-split	60,000 BTU	18.0	9.0	10.7	54,000	Yes	4
74	1HVAC ACIQ-36-HPDACIQ Series	Central	3-ton	18.0	12.0	10.3	39,000	Yes	13
75	1HVAC ACIQ-24-HP32R32 Extreme Heat Unitary	Central	2-ton	18.0	12.0	10.0	25,000	Yes	4
76	1HVAC ACIQ-36-HP32R32 Extreme Heat Unitary	Central	3-ton	18.0	11.2	10.0	34,000	Yes	4
77	1HVAC ACIQ-PHH1748000K000VExtreme Heat Inverter Rooftop	Packaged	4-ton	17.8	11.0	8.5	46,000	Yes	4
78	1HVAC ACIQ-36-HPBACIQ series	Central	3-ton	17.6	10.2	10.0	36,000	Yes	23
79	1HVAC ACIQ-30-HPDACIQ Series	Central	2.5-ton	17.5	11.7	10.8	33,200	Yes	15
80	1HVAC ACIQ-48-HPDACIQ Series	Central	4-ton	17.5	12.0	9.5	48,000	Yes	7
81	1HVAC ACIQ-60-HPDACIQ Series	Central	4-ton	17.5	12.0	9.5	54,000	Yes	9
82	1HVAC ACIQ-12-EHPBACIQ Series	Central	under 1.5-ton	17.5	11.7	9.0	11,000	Yes	5
83	1HVAC EZ-36-HPBEZ Series	Central	3-ton	17.4	11.7	10.3	39,000	Yes	4
84	1HVAC EZ-24-HPEZ Series	Central	2-ton	17.4	11.7	10.0	22,600	Yes	4
85	1HVAC ACIQ-60ZPL-HP230BACIQ	Mini-split	60,000 BTU	17.3	9.0	10.2	56,500	Yes	10
86	1HVAC ACIQ-48ZPL-HP230BACIQ	Mini-split	48,000 BTU	17.0	14.0	12.0	50,000	Yes	15
87	1HVAC ACIQ-24-EHPBACIQ series	Central	2-ton	17.0	10.5	10.2	19,400	Yes	15
88	1HVAC SC-2436-HPUltra Heat Unitary Condensing Unit	Central	3-ton	17.0	12.0	9.0	28,000	Yes	8
89	1HVAC SC-4860-HPUltra Heat Unitary Condensing Unit	Central	4-ton	17.0	11.0	9.0	41,000	Yes	8
90	1HVAC ACIQ-PHH1760000K000VExtreme Heat Inverter Rooftop	Packaged	5-ton	17.0	10.6	8.3	45,000	Yes	4
91	1HVAC MOX630-42HFN10-M3X-DMVB Series	Central	3.5-ton	16.7	11.7	9.5	46,000	Yes	3
92	1HVAC ACIQ-36-EHPDML Series	Central	3-ton	16.7	10.2	9.3	29,200	Yes	6
93	1HVAC EZ-48-HPBEZ Series	Central	4-ton	16.5	10.5	9.5	46,000	Yes	4
94	1HVAC ACIQ-36-HPCACIQ series	Central	3-ton	16.3	11.7	9.5	38,000	Yes	15
95	1HVAC EZ-36-EHPBEZ Series	Central	3-ton	16.2	10.0	8.7	27,000	Yes	4
96	1HVAC EZ-36-HPEZ Series	Central	3-ton	16.0	10.0	9.5	34,600	Yes	4
97	1HVAC ACIQ-48-EHPDACIQ Series	Central	4-ton	16.0	10.0	9.0	40,000	Yes	4
98	1HVAC EZ-60-HPBEZ Series	Central	4-ton	16.0	10.0	9.0	52,000	Yes	4
99	1HVAC EZ-48-EHPBEZ Series	Central	4-ton	16.0	10.0	8.5	38,000	Yes	4
100	1HVAC EZ-48-HPEZ Series	Central	4-ton	15.6	8.2	9.4	46,000	Yes	4
101	1HVAC ACIQ-48-HPBACIQ series	Central	4-ton	15.6	8.2	9.4	46,000	Yes	3
102	1HVAC EZ-60-HPEZ Series	Central	5-ton	15.3	8.8	9.4	48,500	Yes	4
103	1HVAC ACIQ-60HPBMVC SERIES	Central	5-ton	15.3	8.8	9.4	48,500	Yes	3
104	1HVAC ACIQ-60-EHPDACIQ Series	Central	4-ton	15.2	8.6	8.4	38,000	Yes	2
105	1HVAC EZ-60-EHPBEZ Series	Central	4-ton	15.2	8.6	8.4	38,000	Yes	4