Century heat pumps

56 ENERGY STAR certified Century outdoor units (27 mini-split, 29 central). The most efficient is the A-ZHP09SA-1 at 33.3 SEER2 and 14.6 HSPF2; 38 models are rated for cold climates.

Some of these units are also certified under Comfort-Aire, EMI, CONFORTO, ACIQ, 1HVAC, ECO-AIR.

ENERGY STAR data, updated October 12, 2026

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

#		Type						Cold
1	Century A-ZHP09SA-1ML Series	Mini-split	9,000 BTU	33.3	17.0	14.6	13,500	Yes	2
2	Century A-VMH09SV-1A-series	Mini-split	9,000 BTU	28.1	16.2	12.0	10,800	Yes	11
3	Century A-VHP09SA-1A-VHP Series	Mini-split	9,000 BTU	27.4	15.4	13.8	11,900	Yes	15
4	Century A-ZHP15SA-1A-ZHP Series	Mini-split	15,000 BTU	27.0	13.0	11.0	13,500	Yes	2
5	Century A-VMH06SV-1A-series	Mini-split	6,000 BTU	26.5	15.8	13.6	7,500	Yes	3
6	Century A-VHP06SA-1A-VHP Series	Mini-split	6,000 BTU	25.5	18.0	14.8	8,100	Yes	6
7	Century A-VMH12SV-1A-series	Mini-split	12,000 BTU	25.5	14.0	10.7	12,100	Yes	15
8	Century A-VHP12SA-1A-VHP Series	Mini-split	12,000 BTU	25.4	13.4	11.6	12,000	Yes	15
9	Century A-VHP183A-1A-VHP Series	Mini-split	18,000 BTU	25.0	15.0	10.4	19,000	Yes	9
10	Century A-VHP486A-1A-VHP Series	Mini-split	48,000 BTU	23.0	12.0	11.0	48,000	Yes	9
11	Century A-VHP365A-1A-VHP Series	Mini-split	36,000 BTU	23.0	13.0	10.7	38,000	Yes	9
12	Century A-VMH28TV-1A-series	Mini-split	30,000 BTU	23.0	12.5	10.6	25,000	Yes	9
13	Century A-VHP284A-1A-VHP Series	Mini-split	30,000 BTU	23.0	12.5	10.5	27,000	Yes	9
14	Century A-VMH36QV-1AA-series	Mini-split	36,000 BTU	22.4	12.5	10.9	37,000	Yes	9
15	Century A-VHP556A-1A-VHP Series	Mini-split	48,000 BTU	22.2	12.0	10.7	48,000	Yes	9
16	Century M4OI-36HFN1-MMTI series	Mini-split	36,000 BTU	22.2	13.6	10.3	36,000	Yes	9
17	Century A-VMH18DV-1A-series	Mini-split	18,000 BTU	22.0	12.5	9.8	19,700	Yes	9
18	Century A-VMH55PV-1A-series	Mini-split	60,000 BTU	22.0	10.5	9.5	46,000	Yes	9
19	Century A-VMH48PV-1A-series	Mini-split	48,000 BTU	21.8	11.7	9.8	45,000	Yes	9
20	Century A-VMH24SV-1A series	Mini-split	24,000 BTU	21.5	13.0	11.5	27,000	Yes	13
21	Century A-VMH18SV-1A series	Mini-split	18,000 BTU	21.5	12.5	11.3	18,000	Yes	13
22	Century A-VHP18SA-1A-VHP Series	Mini-split	18,000 BTU	21.4	12.5	12.3	18,000	Yes	21
23	Century A-VHP24SA-1A-VHP Series	Mini-split	24,000 BTU	21.0	13.0	13.5	24,200	Yes	15
24	Century A-VMH30SG-1A-series	Mini-split	30,000 BTU	20.0	11.5	9.2	17,500	No	2
25	Century HSA1936V1-**AHSA19 Series	Central	2-ton	20.0	13.2	8.5	17,000	No	142
26	Century A-VHP33SA-1A-VHP Series	Mini-split	30,000 BTU	19.5	12.0	10.5	35,000	Yes	5
27	Century A-VMH33SV-1A-series	Mini-split	30,000 BTU	19.5	12.0	10.0	34,600	Yes	3
28	Century A-VXP18SA-1A Series	Central	1.5-ton	19.3	12.1	10.8	19,600	Yes	12
29	Century HRG1836S1PHRG18 SERIES	Central	2-ton	19.0	12.3	8.5	18,200	No	94
30	Century A-SVH09SB-1A-series	Mini-split	9,000 BTU	18.5	10.5	8.8	7,100	Yes	3
31	Century A-VXP24SA-1A Series	Central	2-ton	18.3	11.7	10.5	21,600	Yes	12
32	Century A-VCD18SA-1A series	Central	1.5-ton	18.0	12.4	9.5	16,500	Yes	8
33	Century HSA1960V1-**AHSA19 Series	Central	4-ton	18.0	11.2	8.2	29,600	No	82
34	Century A-VXP30SA-1A Series	Central	2.5-ton	17.5	11.7	10.2	32,600	Yes	15
35	Century A-VXP36SA-1A Series	Central	3-ton	17.4	11.7	10.3	39,000	Yes	12
36	Century A-VCD24SA-1A series	Central	2-ton	17.4	11.7	10.0	22,600	Yes	8
37	Century HRG1524S1R-**AHRG17 SERIES	Central	2-ton	17.0	14.0	8.2	11,500	No	155
38	Century HRG1536S1R-**AHRG15 SERIES	Central	3-ton	16.8	13.5	8.7	19,100	No	243
39	Century HRG1518S1R-**AHRG15 Series	Central	1.5-ton	16.8	13.5	8.5	9,300	No	142
40	Century HRG18S1R-AHRG15 Series	Central	1.5-ton	16.8	13.5	8.1	8,400	No	64
41	Century A-VXP48SA-1A Series	Central	4-ton	16.5	10.5	9.5	46,000	Yes	6
42	Century HSA1418S1-**AHSA14 Series	Central	1.5-ton	16.5	14.0	7.8	8,500	No	40
43	Century A-VCD30SA-1A series	Central	2.5-ton	16.2	10.0	9.7	27,000	Yes	11
44	Century HRG1530S1R-**AHRG15 SERIES	Central	2.5-ton	16.2	13.5	8.6	15,400	No	156
45	Century A-VCD36SA-1A series	Central	3-ton	16.0	10.0	10.0	34,400	Yes	11
46	Century A-VXP60SA-1A Series	Central	4-ton	16.0	10.0	9.0	52,000	Yes	9
47	Century HSA1424S1-**AHSA14 Series	Central	2-ton	16.0	13.8	8.2	11,600	No	98
48	Century HSA1430S1-**AHSA14 Series	Central	2.5-ton	16.0	13.4	8.2	14,300	No	24
49	Century HRG1860S1PHRG18 SERIES	Central	4-ton	16.0	11.7	7.8	26,000	No	4
50	Century HSA1436S1-**AHSA14 Series	Central	3-ton	16.0	13.4	7.8	16,800	No	32
51	Century A-VCD48SA-1A series	Central	4-ton	15.6	8.2	9.4	46,000	Yes	5
52	Century HRG1542S1R-**AHRG15 Series	Central	3.5-ton	15.6	13.0	8.3	22,000	No	60
53	Century HRG1548S1R-**AHRG15 Series	Central	4-ton	15.6	12.5	8.3	25,600	No	112
54	Century HSA1442S1-**AHSA14 Series	Central	3.5-ton	15.5	13.0	8.0	20,600	No	44
55	Century A-VCD60SA-1A series	Central	5-ton	15.3	8.8	9.4	48,500	Yes	5
56	Century HSA1448S1-**AHSA14 Series	Central	4-ton	15.2	12.8	8.0	24,200	No	14