American Standard heat pumps

91 ENERGY STAR certified American Standard outdoor units (15 mini-split, 67 central, 9 packaged). The most efficient is the 4TXK3809B10NU at 27.0 SEER2 and 11.0 HSPF2; 47 models are rated for cold climates.

Some of these units are also certified under ACD, GREE, Trane, AC PRO.COM, WABBAN, Jetson, Blueridge, RunTru.

ENERGY STAR data, updated October 12, 2026

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

#		Type						Cold
1	American Standard 4TXK3809B10NU38 Series	Mini-split	9,000 BTU	27.0	16.6	11.0	13,000	Yes	2
2	American Standard 4TXK2509A10N025 Series	Mini-split	9,000 BTU	25.0	14.7	9.5	9,000	Yes	2
3	American Standard 4TXK2512A10N025 Series	Mini-split	12,000 BTU	25.0	12.5	9.0	9,200	No	2
4	American Standard 4TXK2524A10N025 Series	Mini-split	24,000 BTU	24.0	13.0	9.5	20,000	Yes	2
5	American Standard 4TXK3812A10NU38 Series	Mini-split	12,000 BTU	24.0	14.0	8.5	12,000	Yes	2
6	American Standard 5A6V0X24A120 TruComfort Variable Speed Heat Pump with WeatherGuard Top	Central	2-ton	22.4	12.0	10.0	18,200	Yes	84
7	American Standard 4TXK3818A10NU38 Series	Mini-split	18,000 BTU	22.0	13.5	10.0	20,000	Yes	2
8	American Standard 5A6V0X36A120 TruComfort Variable Speed Heat Pump	Central	3-ton	21.0	13.0	10.5	25,400	Yes	112
9	American Standard 4TXM2118A12N0M-Series	Mini-split	18,000 BTU	21.0	12.0	10.0	13,600	Yes	2
10	American Standard 4TXM2124A13N0M-Series	Mini-split	24,000 BTU	21.0	12.5	10.0	21,600	Yes	2
11	American Standard 4TXM2130A14N0M-Series	Mini-split	30,000 BTU	21.0	12.5	10.0	22,800	Yes	2
12	American Standard 4TXM2136A14N0M-Series	Mini-split	36,000 BTU	21.0	12.0	10.0	32,400	Yes	2
13	American Standard 4TXM2142A15N0M-Series	Mini-split	36,000 BTU	21.0	12.0	10.0	32,400	Yes	2
14	American Standard 5A6V0X48A120 TruComfort Variable Speed Heat Pump	Central	3.5-ton	20.8	12.0	10.0	34,800	Yes	137
15	American Standard 4A6V0X36A1PLATINUM 20	Central	3-ton	20.5	12.7	8.7	22,400	Yes	212
16	American Standard 5A5V0X36A120 TruComfort Variable Speed Cold Climate Heat Pump	Central	2-ton	20.0	12.3	10.3	35,600	Yes	1
17	American Standard 4TXM2318A12NU23 MZ Series	Mini-split	18,000 BTU	20.0	12.0	10.0	21,800	Yes	2
18	American Standard 4TXM2324A13NU23 MZ Series	Mini-split	24,000 BTU	20.0	12.0	10.0	30,000	Yes	2
19	American Standard 4A6V0X48A1XV20I	Central	4-ton	20.0	12.0	8.7	28,600	No	118
20	American Standard 4A6V0X24A1XV20I	Central	2-ton	19.5	12.7	8.7	13,400	No	55
21	American Standard 4A6V0X60A1PLATINUM 20	Central	4-ton	19.5	12.0	8.5	40,000	Yes	86
22	American Standard 4A6V0048A1XV20I	Central	4-ton	19.5	11.7	8.5	-	No	1
23	American Standard 5A5V0X60A120 TruComfort Variable Speed Cold Climate Heat Pump	Central	4-ton	19.2	11.5	9.4	48,000	Yes	1
24	American Standard 5A5V0X48A120 TruComfort Variable Speed Cold Climate Heat Pump	Central	3-ton	19.0	12.0	9.7	45,000	Yes	1
25	American Standard 5HCL5060B1F Series	Central	4-ton	19.0	11.5	9.5	48,000	Yes	8
26	American Standard 5A6V0X60A120 TruComfort Variable Speed Heat Pump	Central	4-ton	19.0	10.5	9.4	38,500	Yes	66
27	American Standard 4A6L9048A1Platinum 19	Central	4-ton	19.0	11.7	9.0	-	No	8
28	American Standard 5HCL5036B1F Series	Central	2.5-ton	18.5	11.0	10.0	30,200	Yes	10
29	American Standard 5A6V8X24A118 TruComfort Variable Speed Heat Pump	Central	2-ton	18.1	11.5	8.5	18,700	Yes	80
30	American Standard 5A6V8X36A118 TruComfort Variable Speed Heat Pump	Central	2.5-ton	18.1	10.0	8.5	26,000	Yes	201
31	American Standard 5A6V8X48A118 TruComfort Variable Speed Heat Pump	Central	4-ton	18.1	10.0	8.5	38,500	Yes	144
32	American Standard 5A6V8X60A118 TruComfort Variable Speed Heat Pump	Central	4-ton	18.1	10.0	8.5	41,000	Yes	113
33	American Standard 5A5V0X61A120 TruComfort Variable Speed Cold Climate Heat Pump	Central	4-ton	18.0	11.5	10.0	55,500	Yes	1
34	American Standard 4A6L9024A1Platinum 19	Central	2-ton	18.0	12.0	8.7	-	No	13
35	American Standard 4A6L9036A1Platinum 19	Central	3-ton	18.0	12.0	8.7	-	No	10
36	American Standard 4A6V8X36A1Platinum 18	Central	3-ton	18.0	12.0	8.5	21,000	No	130
37	American Standard 4A6V8X48A1XV18I	Central	4-ton	18.0	12.0	8.5	29,400	No	208
38	American Standard 4A6V8X60A1XV18I	Central	4-ton	18.0	12.0	8.5	40,000	Yes	86
39	American Standard 4A6V8X24A1XV18I	Central	2-ton	18.0	12.5	8.5	13,400	No	55
40	American Standard 5A6H7024A117 Multi-Speed Heat Pump	Central	2-ton	17.1	12.5	11.0	17,700	Yes	245
41	American Standard 5A6H7036A117 Multi-Speed Heat Pump	Central	3-ton	17.1	12.5	9.4	24,800	Yes	516
42	American Standard 5A6H7048A117 Multi-Speed Heat Pump	Central	3.5-ton	17.1	12.0	9.4	33,800	Yes	231
43	American Standard 5A6H7060A1GOLD 17	Central	4-ton	17.1	11.7	9.0	39,500	Yes	139
44	American Standard 4A6V7X48A1PLATINUM 17	Central	4-ton	17.1	12.0	8.5	28,800	No	129
45	American Standard 4A6V7X24A1XV17	Central	2-ton	17.1	12.0	8.5	13,200	No	71
46	American Standard 4A6V7X36A1XV17	Central	3-ton	17.1	12.0	8.5	21,000	No	144
47	American Standard 4A6V7X60A1XV17	Central	4-ton	17.1	12.0	8.5	40,000	No	58
48	American Standard 5HCL5036A15HCL5 Cold Climate	Central	3-ton	17.0	11.7	9.4	36,000	Yes	2
49	American Standard 5HCL5060A15HCL5 Cold Climate	Central	4-ton	17.0	10.8	9.4	45,000	Yes	4
50	American Standard 5HCL5024A15HCL5 Cold Climate	Central	2-ton	17.0	11.7	9.2	20,000	Yes	2
51	American Standard 4TXD2036A10NUResolute	Central	3-ton	17.0	12.0	9.0	28,000	Yes	4
52	American Standard 4TXD2060A10NUResolute	Central	4-ton	17.0	11.0	9.0	41,000	Yes	4
53	American Standard 5A6H5042A115 Single-Stage Heat Pump	Central	3.5-ton	17.0	12.0	8.5	20,000	No	293
54	American Standard 5A6H6024A116 Single-Stage Heat Pump	Central	2-ton	17.0	12.0	8.1	11,500	No	126
55	American Standard 5A6H5036A115 Single-Stage Heat Pump	Central	3-ton	16.5	12.0	8.5	17,800	No	481
56	American Standard 5A6H6036A116 Single-Stage Heat Pump	Central	3-ton	16.5	12.0	8.5	17,600	No	371
57	American Standard 5A6H6042A116 Single-Stage Heat Pump	Central	3.5-ton	16.5	12.0	8.5	19,900	No	248
58	American Standard 5A6H5024A115 Single-Stage Heat Pump	Central	2-ton	16.5	12.0	8.1	11,400	No	30
59	American Standard 4TXM2330A14NU23 MZ Series	Mini-split	36,000 BTU	16.0	9.0	8.6	28,200	Yes	2
60	American Standard 4TXM2336A15NU23 MZ Series	Mini-split	42,000 BTU	16.0	9.0	8.6	31,200	Yes	2
61	American Standard 5A6H5048A115 Single-Stage Heat Pump	Central	3.5-ton	16.0	12.0	8.5	22,600	No	167
62	American Standard 5A6H6048A116 Single-Stage Heat Pump	Central	3.5-ton	16.0	12.0	8.5	22,600	No	127
63	American Standard 5HPL5048A15HPL5	Central	3.5-ton	16.0	11.7	8.1	38,000	Yes	8
64	American Standard N5HP5024A1Bronze 15	Central	2-ton	16.0	12.0	8.1	11,600	No	162
65	American Standard N5HP5042A1Bronze 15	Central	3.5-ton	16.0	12.0	8.1	19,900	No	144
66	American Standard N5HP5048A1Bronze 15	Central	3.5-ton	16.0	12.0	8.1	22,400	No	56
67	American Standard 5HPL5024A15HPL5	Central	1.5-ton	16.0	11.7	8.1	19,000	Yes	60
68	American Standard 5HPL5024A1000AA5HPL5	Central	2-ton	16.0	11.7	8.1	18,000	Yes	2
69	American Standard 5HPL5036A15HPL5	Central	2.5-ton	16.0	11.7	8.1	30,000	Yes	44
70	American Standard 5HPL5036A1000AA5HPL5	Central	3-ton	16.0	11.7	8.1	27,000	Yes	2
71	American Standard 5HPL5048A1000AA5HPL5	Central	4-ton	16.0	11.7	8.1	38,000	Yes	2
72	American Standard 5A6H5018A115 Single-Stage Heat Pump	Central	1.5-ton	16.0	12.0	8.1	9,300	No	8
73	American Standard 5A6H5030A115 Single-Stage Heat Pump	Central	2.5-ton	16.0	12.0	8.1	13,800	No	140
74	American Standard 5A6H6018A116 Single-Stage Heat Pump	Central	1.5-ton	16.0	12.0	8.1	9,000	No	6
75	American Standard 5A6H6030A116 Single-Stage Heat Pump	Central	2.5-ton	16.0	12.0	8.1	13,800	No	143
76	American Standard N5HP5030A1Advantage 15 Heat Pump	Central	2.5-ton	16.0	12.0	8.1	13,700	No	86
77	American Standard N5HP5036A1Advantage 15 Heat Pump	Central	3-ton	16.0	12.0	8.1	17,800	No	166
78	American Standard E4HL5024A1000AE4HL5	Central	2-ton	15.2	9.0	8.5	21,000	Yes	10
79	American Standard 5A6H5060A115 Single-Stage Heat Pump	Central	5-ton	15.2	12.0	8.5	28,200	No	6
80	American Standard 5WCZ5048A15WCZ5	Packaged	4-ton	15.2	11.5	8.1	22,000	No	2
81	American Standard N5HP5060A1Bronze 15	Central	5-ton	15.2	11.7	8.1	28,200	No	6
82	American Standard 5DCZ5036A15DCZ5	Packaged	3-ton	15.2	11.5	8.1	17,600	No	2
83	American Standard 5DCZ5048A15DCZ5	Packaged	4-ton	15.2	11.5	8.1	22,000	No	2
84	American Standard 5A6H6060A116 Single-Stage Heat Pump	Central	5-ton	15.2	12.0	8.1	28,400	No	4
85	American Standard N5HP5018A1Bronze 15	Central	1.5-ton	15.2	12.0	8.0	8,900	No	8
86	American Standard 5WCZ5036A15WCZ5	Packaged	3-ton	15.2	11.5	7.7	17,600	No	2
87	American Standard 5DCZ5030A15DCZ5	Packaged	2.5-ton	15.2	11.2	7.2	14,700	No	2
88	American Standard 5DCZ5042A15DCZ5	Packaged	3.5-ton	15.2	11.5	7.2	20,000	No	2
89	American Standard 5DCZ5060A15DCZ5	Packaged	5-ton	15.2	11.5	7.2	29,600	No	2
90	American Standard 5DCZ5024A15WCZ5	Packaged	2-ton	15.2	11.5	7.2	10,900	No	2
91	American Standard 5WCZ5060A15WCZ5	Packaged	5-ton	15.2	11.5	7.2	29,600	No	2