Ranking

Most Efficient Room air conditioners in 2026, Size-Adjusted

Ranked by size-adjusted efficiency percentile, so a large model is not unfairly beaten by a small one. Real dollar running cost is shown for every model.

Most efficient Cheapest to run
#Model$ / yearEfficiency percentile
1 K�Hl KCVS08B10B
100th efficiency percentile
$71
MEDIAN $99
2 Midea MAH09B1AGR
100th efficiency percentile
$75
3 Midea MAH09H1AGR
100th efficiency percentile
$75
4 Midea MAH09N1AGR
99th efficiency percentile
$75
5 Midea MAH09S1AGR
99th efficiency percentile
$75
6 Midea MAH09W1AGR
99th efficiency percentile
$75
7 Midea MWCUPWHP-09HEFN8-BCL1
99th efficiency percentile
$75
8 Midea MWCUPWHP-09HEFN8-BCL1N
98th efficiency percentile
$75
9 Gradient CCHP11
98th efficiency percentile
$77
10 K�Hl KCVS12B30B
98th efficiency percentile
$105
11 Tcl T05WV9M
98th efficiency percentile
$51
12 Tcl T05WV9MB
97th efficiency percentile
$51
13 Tcl T05WV9R
97th efficiency percentile
$51
14 Tcl T05WV9RB
97th efficiency percentile
$51
15 Tcl W5WC72
97th efficiency percentile
$51
16 Tcl W5WC72-B
96th efficiency percentile
$51
17 Tcl W5WC72M
96th efficiency percentile
$51
18 Tcl W5WC72M-B
96th efficiency percentile
$51
19 Lg LW6023IVSM
96th efficiency percentile
$54
20 Midea MAW06U1QWT
95th efficiency percentile
$55
21 Midea MAW06V1QWBL-T
95th efficiency percentile
$55
22 Midea MAW06V1QWT
95th efficiency percentile
$55
23 Midea MAW06V1UBL
95th efficiency percentile
$55
24 Midea MAW06V1UWT
94th efficiency percentile
$55
25 Midea MWAUQB-06CRFN8-BCN11
94th efficiency percentile
$55
26 Hisense WCT06W25A
94th efficiency percentile
$61
27 Midea MWEUWA-06CRFN8-BCM7
94th efficiency percentile
$61
28 Tcl H6W4KW
93rd efficiency percentile
$61
29 Tcl T06WQ2S
93rd efficiency percentile
$61
30 Tcl T06WV9R
93rd efficiency percentile
$61
31 Tcl T06WV9RB
93rd efficiency percentile
$61
32 Tcl W6WC72
92nd efficiency percentile
$61
33 Tcl W6WC72-B
92nd efficiency percentile
$61
34 Tcl W6WC72-BI
92nd efficiency percentile
$61
35 Tcl W6WC72-I
92nd efficiency percentile
$61
36 Ge PWJV08W**#
91st efficiency percentile
$70
37 Midea 1010451315
91st efficiency percentile
$70
38 Midea 1014242943
91st efficiency percentile
$70
39 Midea MAW08U1QWT
91st efficiency percentile
$70
40 Midea MAW08U2QWT
90th efficiency percentile
$70
41 Midea MAW08V1WBK
90th efficiency percentile
$70
42 Midea MAW08V1WBK-T
90th efficiency percentile
$70
43 Midea MAW08V1WWT
90th efficiency percentile
$70
44 Midea MAW08V1WWT-T
89th efficiency percentile
$70
45 Midea MWAUQB-08CRFN8-BCP0
89th efficiency percentile
$70
46 Midea MWEUWA-08CRFN8-BCP0
89th efficiency percentile
$70
47 Tcl T08WV3S
89th efficiency percentile
$70
48 Tcl T08WV9S
88th efficiency percentile
$70
49 Tcl T08WV9SB
88th efficiency percentile
$70
50 Tcl W8WC72
88th efficiency percentile
$70
51 Tcl W8WC72-B
88th efficiency percentile
$70
52 Lg LW8022IVSM
87th efficiency percentile
$72
53 Midea MAW08V1KWT-A
87th efficiency percentile
$72
54 Midea MAW08V1KYWT-S
87th efficiency percentile
$72
55 Midea MWFUQB-8CRFN8-BCN11
87th efficiency percentile
$72
56 Gree GJC08BU-A6DRNJ2A
86th efficiency percentile
$72
57 House Kobo KOBOGJC08BU
86th efficiency percentile
$73
58 Midea MAW08HV1KWT-A
86th efficiency percentile
$74
59 Midea MWAUQB-08HRFN8-BCN11
86th efficiency percentile
$74
60 Black+Decker BD08NWES
85th efficiency percentile
$74
61 Century RXTS-81A
85th efficiency percentile
$74
62 Comfort Aire RXTS-81A
85th efficiency percentile
$74
63 Danby DAC080B7IWDB-6
85th efficiency percentile
$74
64 Danby DAC080B8IWDB-6
84th efficiency percentile
$74
65 Danby DAC080EBIBDB
84th efficiency percentile
$74
66 Della 048-TL-W8KI
84th efficiency percentile
$74
67 Element EHWR08BE
84th efficiency percentile
$74
68 Friedrich CCV08A10A
83rd efficiency percentile
$74
69 Frigidaire FHWW085WE1
83rd efficiency percentile
$74
70 Frigidaire Gallery GHWQ083WC1
83rd efficiency percentile
$74
71 Frigidaire Gallery GHWQ085WD1
83rd efficiency percentile
$74
72 Frigidaire Gallery GHWW085TE1
82nd efficiency percentile
$74
73 Ge Profile PWDV08W**#
82nd efficiency percentile
$74
74 Hisense AALW08TW26
82nd efficiency percentile
$74
75 Hisense AHW0823TW1W
82nd efficiency percentile
$74
76 Hisense AWL0826TW1W
81st efficiency percentile
$74
77 Hisense HLAW0825TW
81st efficiency percentile
$74
78 Honeywell HAC-8I
81st efficiency percentile
$74
79 Hykolity ACB-2601
81st efficiency percentile
$74
80 Hykolity ACB-2621
80th efficiency percentile
$74
81 Keplerx KARC8RSVE1
80th efficiency percentile
$74
82 Keystone KSTAW081WA
80th efficiency percentile
$74
83 Keystone KSTAW08INV
80th efficiency percentile
$74
84 Ktaxon KXTIW-08CRD1
79th efficiency percentile
$74
85 Ktaxon TIWC-08CRD1
79th efficiency percentile
$74
86 Midea MAW08AV1QWT
79th efficiency percentile
$74
87 Midea MAW08AV1QWT-C
79th efficiency percentile
$74
88 Midea MAW08RV1CWT
78th efficiency percentile
$74
89 Midea MAW08S1VWT-A
78th efficiency percentile
$74
90 Midea MAW08S1VWWT-T
78th efficiency percentile
$74
91 Midea MAW08V1QWT
78th efficiency percentile
$74
92 Midea MAW08V1QWT-S
77th efficiency percentile
$74
93 Midea MAW08V1QWT-T
77th efficiency percentile
$74
94 Midea MAW08V1UWT
77th efficiency percentile
$74
95 Midea MAW08V1YWT-S
77th efficiency percentile
$74
96 Midea MAW08W1QWT
76th efficiency percentile
$74
97 Midea MAW08W1QWT-T
76th efficiency percentile
$74
98 Midea MW08MSWBA1RCM
76th efficiency percentile
$74
99 Midea MW08MSWBA5RCM
76th efficiency percentile
$74
100 Midea MWAUQB-08CRFN8-BCN10
75th efficiency percentile
$74
101 Midea MWCUWA-08CRFN8-BCN10
75th efficiency percentile
$74
102 Noma 043-8814-4
75th efficiency percentile
$74
103 Noma Iq 143-0087-4
75th efficiency percentile
$74
104 Perfect Aire 1PACU8000
74th efficiency percentile
$74
105 Perfect Aire 1PACV8000
74th efficiency percentile
$74
106 Richmond RMV08A10A
74th efficiency percentile
$74
107 Rovsun RVTIW-08CRD1
74th efficiency percentile
$74
108 Rovsun TIWC-08CRD1
73rd efficiency percentile
$74
109 Tcl H8W4KW
73rd efficiency percentile
$74
110 Tcl H8W4KW-CA
73rd efficiency percentile
$74
111 Tcl H8W4MW
73rd efficiency percentile
$74
112 Tcl T08WQ2S
72nd efficiency percentile
$74
113 Whirlpool WHAW-081IN
72nd efficiency percentile
$74
114 Windmill 08W2Wi
72nd efficiency percentile
$74
115 Zokop TIWC-08CRD1
72nd efficiency percentile
$74
116 Friedrich KCVS08B10A
71st efficiency percentile
$76
117 Keystone KSTAW08INV-HC
71st efficiency percentile
$77
118 Midea MAW08HV1CWT
71st efficiency percentile
$77
119 Midea MWAUQB-08HRFN8-BCL0
71st efficiency percentile
$77
120 Lg LW8024IVSM
70th efficiency percentile
$79
121 Midea MAT08R1FWTK
70th efficiency percentile
$79
122 Midea MAT08R1SWTK
70th efficiency percentile
$79
123 Midea MWEUTW-08CRFN8-BCN1
70th efficiency percentile
$79
124 Seasons ST08VB1
69th efficiency percentile
$79
125 Gree GJH09BW-A6DRNL1A
69th efficiency percentile
$86
126 Kinghome KHWA09IN
69th efficiency percentile
$86
127 Ge PWJV10W**#
69th efficiency percentile
$87
128 Midea 1010451479
68th efficiency percentile
$87
129 Midea 1014264129
68th efficiency percentile
$87
130 Midea MAW10U1QWT
68th efficiency percentile
$87
131 Midea MAW10U2QWT
68th efficiency percentile
$87
132 Midea MAW10V1WWT
67th efficiency percentile
$87
133 Midea MAW10V1WWT-T
67th efficiency percentile
$87
134 Midea MWAUQB-10CRFN8-BCP0
67th efficiency percentile
$87
135 Midea MWEUWA-10CRFN8-BCP0
67th efficiency percentile
$87
136 Midea MWFUQB-10CRFN8-BCP0
67th efficiency percentile
$87
137 Tcl T10WV3S
66th efficiency percentile
$87
138 Tcl T10WV9S
66th efficiency percentile
$87
139 Tcl T10WV9SB
66th efficiency percentile
$87
140 Tcl W10WC72
66th efficiency percentile
$87
141 Tcl W10WC72-B
65th efficiency percentile
$87
142 Ge Profile AHTR10ACH2
65th efficiency percentile
$90
143 Black+Decker BD10NWES
65th efficiency percentile
$93
144 Century RXTS-101A
65th efficiency percentile
$93
145 Comfort Aire RXTS-101A
64th efficiency percentile
$93
146 Danby DAC100B8IWDB-6
64th efficiency percentile
$93
147 Della 048-TL-W10KI
64th efficiency percentile
$93
148 Element EHWR10BE
64th efficiency percentile
$93
149 Friedrich CCV10A10A
63rd efficiency percentile
$93
150 Frigidaire FHWW105WE1
63rd efficiency percentile
$93
Showing the top 150 of 404 room air conditioner models, curated for completeness of data. Back to the room air conditioners hub