Lennox heat pumps

131 ENERGY STAR certified Lennox outdoor units (78 mini-split, 42 central, 11 packaged). The most efficient is the MLB009S4S-1P at 28.1 SEER2 and 12.0 HSPF2; 72 models are rated for cold climates.

Some of these units are also certified under Samsung, MDV, MRCOOL, TRUST AIR CONDITIONERS, CanAir, MOOVAIR, ComfortStar, Elios.

ENERGY STAR data, updated October 12, 2026

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

#		Type						Cold
1	Lennox MLB009S4S-1PM series	Mini-split	9,000 BTU	28.1	16.2	12.0	10,800	Yes	9
2	Lennox MPC009S4S-1PM series	Mini-split	9,000 BTU	26.5	15.8	13.6	8,000	Yes	12
3	Lennox MLB012S4S-1PM series	Mini-split	12,000 BTU	25.5	13.5	10.4	12,100	Yes	12
4	Lennox MWLD009S6S-1PMWLD Mini-Split	Mini-split	9,000 BTU	25.0	16.4	10.5	8,500	Yes	1
5	Lennox MWMD009S6-1PWindFree - Max heat (RAC)	Mini-split	9,000 BTU	25.0	16.4	10.5	8,500	Yes	2
6	Lennox MWHD009S6-1PWindFree - Standard (RAC)	Mini-split	9,000 BTU	25.0	15.0	9.0	7,500	No	1
7	Lennox MPC012S4S-1PM series	Mini-split	12,000 BTU	24.6	13.7	10.7	8,400	Yes	12
8	Lennox MPC024S4M-1PM series	Mini-split	24,000 BTU	24.6	13.4	10.0	19,000	Yes	3
9	Lennox MPC030S4M-1PM series	Mini-split	30,000 BTU	24.6	12.7	9.3	19,000	No	3
10	Lennox MWLD012S6S-1PMWLD Mini-Split	Mini-split	12,000 BTU	24.0	14.1	10.5	9,000	Yes	1
11	Lennox MWHD012S6S-1PMWHD Mini-Split	Mini-split	12,000 BTU	24.0	13.3	9.0	8,000	No	1
12	Lennox MPC036S4M-1PM series	Mini-split	36,000 BTU	23.9	11.7	9.5	25,200	No	1
13	Lennox MMLD018S6S-1PMMLD Mini-Split	Mini-split	18,000 BTU	23.8	14.5	9.6	20,000	Yes	8
14	Lennox MMPD018S6S-1PMMPD Mini-Split	Mini-split	18,000 BTU	23.8	13.0	9.3	16,000	Yes	3
15	Lennox MPC018S4S-1PM series	Mini-split	18,000 BTU	23.5	12.4	10.7	13,000	No	13
16	Lennox MPC012S4S-1LM series	Mini-split	12,000 BTU	23.5	12.8	10.0	6,800	No	3
17	Lennox MPC048S4M-1PM series	Mini-split	48,000 BTU	23.4	12.3	8.7	33,000	No	1
18	Lennox MWLD015S6S-1PMWLD Mini-Split	Mini-split	15,000 BTU	23.0	14.6	11.0	15,600	Yes	1
19	Lennox VPD060H6M-5PDVM S Mini	Mini-split	60,000 BTU	23.0	13.8	11.0	47,000	Yes	3
20	Lennox LISH018000P431-DLI series	Mini-split	18,000 BTU	23.0	12.5	10.6	13,000	No	3
21	Lennox MLB030S4M-1PM series	Mini-split	30,000 BTU	23.0	12.5	10.6	25,000	Yes	4
22	Lennox MMLD020S6M-1PMMLD Multi-Zone	Mini-split	18,000 BTU	23.0	15.0	10.5	22,000	Yes	3
23	Lennox MMLD024S6M-1PMMLD Multi-Zone	Mini-split	24,000 BTU	23.0	14.6	10.4	25,000	Yes	3
24	Lennox MPC018S4M-1PM series	Mini-split	18,000 BTU	22.9	13.9	10.5	13,300	Yes	3
25	Lennox MMLD030S6S-1PMMLD Mini-Split	Mini-split	30,000 BTU	22.8	14.4	10.7	35,000	Yes	3
26	Lennox SL25XPV-024-230ADAVE LENNOX SIGNATURE SL25XPV SERIES	Central	2-ton	22.8	14.4	9.2	21,200	Yes	1
27	Lennox LISH012000P431-DLI series	Mini-split	12,000 BTU	22.7	14.0	10.3	8,400	Yes	2
28	Lennox MMLD030S6M-1PMMLD Multi-Zone	Mini-split	30,000 BTU	22.5	13.5	10.0	28,600	Yes	3
29	Lennox MMPD024S6M-1PMMPD Multi-Zone	Mini-split	24,000 BTU	22.5	12.7	9.5	16,500	No	3
30	Lennox MMPD036S6M-1PMMPD Multi-Zone	Mini-split	30,000 BTU	22.5	12.5	9.5	26,400	No	3
31	Lennox MLB036S4M-1PM series	Mini-split	36,000 BTU	22.2	13.6	10.3	36,000	Yes	3
32	Lennox MMLD009S6S-1P1-Way Cassette (WindFree™) Premium (CAC)	Mini-split	9,000 BTU	22.1	13.8	10.6	9,600	Yes	5
33	Lennox MPC024S4S-1PM series	Mini-split	24,000 BTU	22.0	14.0	11.0	20,000	Yes	13
34	Lennox VPD036S6M-5PDVM S Mini	Mini-split	36,000 BTU	22.0	13.5	11.0	31,000	Yes	3
35	Lennox MMLD036S6S-1PMMLD Mini-Split	Mini-split	36,000 BTU	22.0	13.5	10.6	40,000	Yes	4
36	Lennox MMLD012S6S-1P1-Way Cassette (WindFree™) Premium (CAC)	Mini-split	12,000 BTU	22.0	12.6	10.4	11,200	Yes	5
37	Lennox MMLD024S6S-1PMMLD Mini-Split	Mini-split	24,000 BTU	22.0	13.0	10.2	27,000	Yes	4
38	Lennox MLB048S4M-2PM series	Mini-split	48,000 BTU	21.8	11.7	9.8	45,000	Yes	3
39	Lennox MLB018S4M-1PM series	Mini-split	18,000 BTU	21.7	12.5	9.8	19,700	Yes	3
40	Lennox MMPD030S6S-1PMMPD Mini-Split	Mini-split	30,000 BTU	21.7	12.0	9.5	27,200	Yes	3
41	Lennox MHB009S4S-1PM series	Mini-split	9,000 BTU	21.7	12.6	9.4	7,000	Yes	3
42	Lennox MMPD024S6S-1PMMPD Mini-Split	Mini-split	24,000 BTU	21.6	12.0	9.6	21,600	Yes	3
43	Lennox MLB024S4S-1PM series	Mini-split	24,000 BTU	21.5	13.0	11.5	27,000	Yes	14
44	Lennox LISH024000P431-DLI series	Mini-split	24,000 BTU	21.5	12.5	11.2	20,000	Yes	4
45	Lennox MLB018S4S-1PM series	Mini-split	18,000 BTU	21.5	12.5	11.2	18,000	Yes	13
46	Lennox MWHD015S6S-1PMWHD Mini-Split	Mini-split	15,000 BTU	21.5	13.0	10.0	10,500	No	1
47	Lennox MMLD036S6M-1PMMLD Multi-Zone	Mini-split	36,000 BTU	21.5	12.5	9.5	36,600	Yes	3
48	Lennox MHB009S4S-1LM series	Mini-split	9,000 BTU	21.5	12.5	9.1	7,000	Yes	3
49	Lennox MWHD018S6-1PWindFree - Standard (RAC)	Mini-split	18,000 BTU	21.5	12.9	9.0	12,500	No	1
50	Lennox VPD048S6M-5PDVM S Mini	Mini-split	48,000 BTU	21.3	12.4	10.5	38,000	Yes	3
51	Lennox SL22KLV-060-230ADAVE LENNOX SIGNATURE SL22KLV SERIES	Central	5-ton	21.1	11.7	9.6	45,500	Yes	33
52	Lennox EL21KLV-024-230AElite EL21KLV SERIES	Central	2-ton	21.0	13.5	10.2	18,600	Yes	178
53	Lennox MWLD018S6S-1PMWLD Mini-Split	Mini-split	18,000 BTU	21.0	13.2	9.7	14,300	Yes	1
54	Lennox MWMD018S6-1PWindFree - Max heat (RAC)	Mini-split	18,000 BTU	21.0	13.2	9.7	14,300	Yes	2
55	Lennox MMPD048S6M-1PMMPD Multi-Zone	Mini-split	42,000 BTU	21.0	11.7	9.0	31,400	No	3
56	Lennox LISH036202U332All MATCH	Mini-split	36,000 BTU	21.0	11.3	8.5	22,000	No	1
57	Lennox SL22KLV-024-230ADAVE LENNOX SIGNATURE DLSC SL22KLV SERIES	Central	2-ton	20.5	13.0	10.5	24,200	Yes	107
58	Lennox SL22KLV-036-230ADAVE LENNOX SIGNATURE SL22KLV SERIES	Central	3-ton	20.5	13.6	10.5	34,000	Yes	80
59	Lennox SL22KLV-048-230ADAVE LENNOX SIGNATURE SL22KLV SERIES	Central	3.5-ton	20.5	12.4	9.8	46,500	Yes	38
60	Lennox EL21KLV-048-230AElite EL21KLV SERIES	Central	4-ton	20.5	12.2	9.6	39,500	Yes	191
61	Lennox EL21KLV-060-230AElite EL21KLV SERIES	Central	5-ton	20.5	11.7	9.0	38,500	Yes	106
62	Lennox EL21KLV-036-230AElite EL21KLV SERIES	Central	3-ton	20.0	11.7	10.4	25,400	Yes	299
63	Lennox MMLD048S6S-1PMMLD Mini-Split	Mini-split	48,000 BTU	20.0	12.2	10.4	54,000	Yes	3
64	Lennox VPD060S6M-5PDVM S Mini	Mini-split	60,000 BTU	20.0	12.0	10.2	47,000	Yes	3
65	Lennox VPC030H5M-3PLennox Real	Mini-split	30,000 BTU	20.0	14.0	10.1	30,000	Yes	6
66	Lennox VPC036H5M-3PLennox Real	Mini-split	36,000 BTU	20.0	13.3	10.1	34,000	Yes	6
67	Lennox VPC048H5M-3PLennox Real	Mini-split	48,000 BTU	20.0	11.7	10.1	40,000	Yes	6
68	Lennox MWLD024S6S-1PMWLD Mini-Split	Mini-split	24,000 BTU	20.0	12.8	9.5	18,500	Yes	1
69	Lennox MWMD024S6-1PWindFree - Max heat (RAC)	Mini-split	24,000 BTU	20.0	12.8	9.5	18,500	Yes	2
70	Lennox 3WPD036S6S-1P3WPD Mini-Split	Mini-split	30,000 BTU	20.0	12.0	9.0	36,000	Yes	1
71	Lennox EL19KPV-024-230AElite EL19KPV SERIES	Central	2-ton	20.0	13.0	9.0	17,000	No	221
72	Lennox MMPD020S6M-1PMMPD Multi-Zone	Mini-split	18,000 BTU	20.0	12.7	9.0	15,500	No	3
73	Lennox MWHD024S6-1PWindFree - Standard (RAC)	Mini-split	24,000 BTU	20.0	12.2	8.0	17,300	No	1
74	Lennox VPC060H5M-3PLennox Real	Mini-split	60,000 BTU	19.5	9.5	10.1	42,000	Yes	6
75	Lennox MMPD036S6S-1PMMPD Mini-Split	Mini-split	36,000 BTU	19.5	11.0	9.2	32,000	Yes	3
76	Lennox MLB036S4S-2PM series	Mini-split	36,000 BTU	19.4	9.5	11.0	40,000	Yes	6
77	Lennox EL18KSLV-036-230AElite EL18KSLV Series	Central	3-ton	19.3	11.7	9.6	30,800	Yes	355
78	Lennox VPC036H4M-3PDLennox Real	Mini-split	36,000 BTU	19.2	12.1	9.5	28,000	No	3
79	Lennox VPC018H4M-3PLennox Real	Mini-split	18,000 BTU	19.2	12.5	9.4	12,300	No	3
80	Lennox EL19KPV-036-230AElite EL19KPV SERIES	Central	3-ton	19.0	11.2	8.5	17,700	No	154
81	Lennox LISH048000P431-DLI series	Mini-split	48,000 BTU	18.9	9.3	10.0	35,000	Yes	1
82	Lennox MPC048S4S-1PM series	Mini-split	48,000 BTU	18.9	9.1	9.7	35,000	Yes	3
83	Lennox VPC024H4M-3PLennox Real	Mini-split	24,000 BTU	18.8	12.2	9.2	18,200	No	1
84	Lennox EL18KSLV-024-230AElite EL18KSLV Series	Central	2-ton	18.5	12.3	10.0	23,400	Yes	205
85	Lennox VPC024H5M-3PLennox Real	Mini-split	24,000 BTU	18.5	11.7	10.0	20,000	Yes	6
86	Lennox EL19KPV-048-230AElite EL19KPV SERIES	Central	4-ton	18.5	11.2	9.0	32,800	No	218
87	Lennox MMPD048S6S-1PMMPD Mini-Split	Mini-split	48,000 BTU	18.5	9.0	9.0	44,000	Yes	3
88	Lennox VPC036H4M-3PSLennox Real	Mini-split	36,000 BTU	18.4	11.7	9.0	21,000	No	1
89	Lennox EL18KSLV-060-230AElite EL18KSLV Series	Central	3.5-ton	18.3	11.0	9.6	45,000	Yes	353
90	Lennox VPC018H5M-3PLennox Real	Mini-split	18,000 BTU	17.5	12.0	10.0	18,000	Yes	6
91	Lennox ML16KP2-036-230AMerit ML16KP2 SERIES	Central	3-ton	17.5	13.0	8.5	19,100	No	87
92	Lennox ML16KP2-024-230AMerit ML16KP2 SERIES	Central	2-ton	17.5	13.0	8.2	11,100	No	71
93	Lennox ML15KSPV-018-230AML15KSPV Series	Central	1.5-ton	17.2	10.6	8.8	14,000	Yes	83
94	Lennox MLB048S4S-1PM series	Mini-split	48,000 BTU	17.0	14.0	12.0	50,000	Yes	1
95	Lennox MLB048S4S-2PM series	Mini-split	48,000 BTU	17.0	14.0	12.0	50,000	Yes	6
96	Lennox ML16KP2-048-230AMerit ML16KP2 SERIES	Central	4-ton	17.0	12.0	8.5	24,400	No	159
97	Lennox EL17XP1-024-230AELITE EL17XP1 Series	Central	2-ton	17.0	14.0	8.2	11,500	No	444
98	Lennox ML17XP1-024-230AMERIT ML17XP1 Series	Central	2-ton	17.0	14.0	8.2	11,500	No	469
99	Lennox ML15KSPV-024-230AML15KSPV Series	Central	2-ton	16.8	9.0	8.9	18,900	Yes	110
100	Lennox EL17XP1-036-230AELITE EL17XP1 Series	Central	3-ton	16.8	13.5	8.7	19,300	No	570
101	Lennox ML17XP1-036-230AMERIT ML17XP1 Series	Central	3-ton	16.8	13.5	8.7	19,300	No	757
102	Lennox EL17XP1-018-230AELITE EL17XP1 Series	Central	1.5-ton	16.8	14.0	8.5	9,700	No	459
103	Lennox ML17XP1-018-230AMerit ML17XP1 Series	Central	1.5-ton	16.8	14.0	8.5	9,700	No	481
104	Lennox ML15KSPV-030-230AML15KSPV Series	Central	2.5-ton	16.7	11.4	9.2	20,000	No	16
105	Lennox MLB036S4S-1PM series	Mini-split	36,000 BTU	16.5	9.0	11.0	36,000	Yes	1
106	Lennox ML14KP1-036-230AMERIT ML14KP1 Series	Central	3-ton	16.5	13.8	8.1	17,600	No	109
107	Lennox EL16KP1-018-230AELITE EL16KP1 Series	Central	1.5-ton	16.5	14.2	7.8	8,500	No	67
108	Lennox ML14KP1-018-230AMERIT ML14KP1 Series	Central	1.5-ton	16.5	14.0	7.8	8,500	No	67
109	Lennox XP21-036-230-DAVE LENNOX SIGNATURE XP21 SERIES	Central	3-ton	16.4	12.5	8.0	-	No	2
110	Lennox EL17XP1-030-230AELITE EL17XP1 Series	Central	2.5-ton	16.2	13.5	8.6	15,400	No	448
111	Lennox ML17XP1-030-230AMERIT ML17XP1 Series	Central	2.5-ton	16.2	13.5	8.6	15,400	No	503
112	Lennox EL16KP1-024-230AELITE EL16KP1 Series	Central	2-ton	16.0	13.8	8.2	11,600	No	179
113	Lennox EL16KP1-030-230AELITE EL16KP1 Series	Central	2.5-ton	16.0	13.4	8.2	14,300	No	39
114	Lennox EL16KP1-036-230AELITE EL16KP1 Series	Central	3-ton	16.0	13.4	8.0	16,900	No	69
115	Lennox LHT036H5E*1PENLIGHT	Packaged	3-ton	16.0	12.2	7.2	14,000	No	2
116	Lennox LRP15HPK24VP-LRP15HP	Packaged	2-ton	16.0	12.0	7.2	8,300	No	1
117	Lennox ML17XP1-048-230AMERIT ML17XP1 Series	Central	4-ton	15.8	13.0	8.5	26,000	No	303
118	Lennox ML16KP2-060-230AMerit ML16KP2 SERIES	Central	5-ton	15.8	12.2	7.8	27,800	No	2
119	Lennox EL17XP1-042-230AELITE EL17XP1 Series	Central	3.5-ton	15.6	13.0	8.3	22,000	No	188
120	Lennox ML17XP1-042-230AMERIT ML17XP1 Series	Central	3.5-ton	15.6	13.0	8.3	22,000	No	206
121	Lennox LDT048H5E*1PE-SERIES	Packaged	3.5-ton	15.6	12.0	7.2	19,000	No	2
122	Lennox LDT048H4E*1PENLIGHT	Packaged	3.5-ton	15.6	12.0	7.2	36,400	No	2
123	Lennox EL16KP1-042-230AELITE EL16KP1 Series	Central	3.5-ton	15.5	12.8	8.2	20,800	No	85
124	Lennox EL16KP1-048-230AELITE EL16KP1 Series	Central	4-ton	15.5	12.8	8.2	24,600	No	24
125	Lennox LDT024H4E*1PENLIGHT	Packaged	2-ton	15.4	11.4	7.3	23,800	No	2
126	Lennox LDT060H5E*1PE-SERIES	Packaged	5-ton	15.2	11.8	7.2	27,000	No	2
127	Lennox LDT036H4E*1PENLIGHT	Packaged	3-ton	15.2	11.4	7.2	26,600	No	2
128	Lennox LDT060H4E*1PENLIGHT	Packaged	5-ton	15.2	11.4	7.2	42,000	No	2
129	Lennox LRP15HPK36VP-LRP15HP	Packaged	3-ton	15.2	11.5	7.2	15,200	No	1
130	Lennox LRP15HPK48VP-LRP15HP	Packaged	3.5-ton	15.2	11.5	7.2	20,400	No	1
131	Lennox LRP15HPK60VP-LRP15HP	Packaged	5-ton	15.2	11.5	7.2	24,600	No	1