Most energy-efficient air conditioners, 5.1–7 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €53 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 174 · A+ 263 · A++ 3,540 · A+++ 451 · B 25 · C 1 · D 1

1. 1101A++
   Viessmann Vitoclima 230-S IFAA230M052R32

   5.2 kW · SEER 6.6 · 276 kWh/yr
   €78/year
2. 1102A++
   Arielli ABO-H18A4/ACR3DI-EU

   5.2 kW · SEER 6.7 · 276 kWh/yr
   €78/year
3. 1103A++
   GREE CONSOLE MONO 18

   5.2 kW · SEER 6.6 · 276 kWh/yr
   €78/year
4. 1104A++
   Innova IGZC18NI/O-1

   5.2 kW · SEER 6.6 · 276 kWh/yr
   €78/year
5. 1105A++
   Bosch 7733704848

   5.3 kW · SEER 6.7 · 276 kWh/yr
   €78/year
6. 1106A++
   TEKA TKGPA-09HFN8 + TKGPB-12HFN8 / TK2O-18HFN8

   5.3 kW · SEER 6.7 · 276 kWh/yr
   €78/year
7. 1107A++
   Equation AAF-18HRFN1

   5.3 kW · SEER 6.7 · 277 kWh/yr
   €78/year
8. 1108A+
   Clivet S.IE1+MM1-Y 53M

   5.3 kW · SEER 6.7 · 277 kWh/yr
   €78/year
9. 1109A++
   Mitsubishi Heavy Industries SCM60ZS-W_SRK20ZS-Wx3

   6 kW · SEER 7.6 · 277 kWh/yr
   €78/year
10. 1110A++
    Inventor O1MVI-18WFR/O1MVO-18

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
11. 1111A++
    Inventor P8MVI32-18WiFi/P8MVO32-18

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
12. 1112A++
    Bosch 7733702397

    5.2 kW · SEER 6.8 · 277 kWh/yr
    €78/year
13. 1113A++
    Arielli ARSIN18EAR32

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
14. 1114A++
    Emmeti XEVO-1818

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
15. 1115A++
    Bosch 7733702405

    6.1 kW · SEER 8 · 277 kWh/yr
    €78/year
16. 1116A++
    TEKA TKGPA-09HFN8 / TK2O-18HFN8

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
17. 1117A++
    Rotenso I21Xi R15*2 / H50Xm2 R15

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
18. 1118A++
    Artel DLX18RP24

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
19. 1119A++
    Mitsui CDX18HP24

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
20. 1120A++
    Centrometal CDX18HP24CM

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
21. 1121A++
    Buderus 7733703251

    6.1 kW · SEER 8 · 277 kWh/yr
    €78/year
22. 1122A++
    AEG MULTI-53-2

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
23. 1123A++
    AEG NSE01-2535-MULTI01-53-2

    5.5 kW · SEER 6.7 · 277 kWh/yr
    €78/year
24. 1124A++
    ELCO DUAL 50 RIGEON PRO_IDU 9+12

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
25. 1125A++
    Ariston DUAL 50 NEVIS NET_UA1-I 9+12

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
26. 1126A++
    Ariston DUAL 50 NEVIS NET_UA1-I 9+9

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
27. 1127A++
    ELCO DUAL 50 RIGEON PRO_IDU 9+9

    5.3 kW · SEER 6.7 · 277 kWh/yr
    €78/year
28. 1128A++
    Daikin ATXC50BV1B / ARXC50BV1B

    5.1 kW · SEER 6.4 · 278 kWh/yr
    €79/year
29. 1129A++
    Mitsubishi Electric MXZ-3F54VF4-E1 / MSZ-AY25VG2-E1 + MSZ-AY25VG2-E1 + MSZ-AY35VG2-E1

    5.4 kW · SEER 6.8 · 278 kWh/yr
    €79/year
30. 1130A++
    Inventor V5MKI32-18WiFiR/U5MRS32-18

    5.3 kW · SEER 6.1 · 278 kWh/yr
    €79/year
31. 1131A++
    Daikin ATXC50EV1B / ARXC50EV1B

    5.1 kW · SEER 6.4 · 278 kWh/yr
    €79/year
32. 1132A++
    Hitachi RAS-2.5HVRC3 - RPK-2.5FSR(H)M

    5.6 kW · SEER 7 · 278 kWh/yr
    €79/year
33. 1133A++
    Silver IPACC18

    5.1 kW · SEER 6.1 · 278 kWh/yr
    €79/year
34. 1134A++
    Aspes 7AAAS0001

    5.1 kW · SEER 6.1 · 278 kWh/yr
    €79/year
35. 1135A++
    Kroms SKAC18WI

    5.1 kW · SEER 6.1 · 278 kWh/yr
    €79/year
36. 1136A++
    Akai MISTRAL1826K-J

    5.1 kW · SEER 6.1 · 278 kWh/yr
    €79/year
37. 1137A++
    Sansui BREEZE18SN-J

    5.1 kW · SEER 6.1 · 278 kWh/yr
    €79/year
38. 1138A++
    Bosch 7733704829

    5.2 kW · SEER 6.6 · 278 kWh/yr
    €79/year
39. 1139A++
    Bosch 7733704876

    5.4 kW · SEER 6.8 · 278 kWh/yr
    €79/year
40. 1140A++
    Emmeti X-REVO-1825D-S

    5.2 kW · SEER 6.5 · 279 kWh/yr
    €79/year
41. 1141A++
    Qlima S 5048

    5.4 kW · SEER 6.8 · 279 kWh/yr
    €79/year
42. 1142A++
    Qlima S 5148

    5.3 kW · SEER 6.8 · 279 kWh/yr
    €79/year
43. 1143A++
    Olimpia Splendid OS-CEASH18EI / OS-SEASH18EI

    5.4 kW · SEER 6.7 · 279 kWh/yr
    €79/year
44. 1144A++
    Mitsubishi Electric MXZ-3F54VF5 / MSZ-AY25VGK2 + MSZ-AY25VGK2 + MSZ-AY35VGK2

    5.4 kW · SEER 6.8 · 279 kWh/yr
    €79/year
45. 1145A++
    Bosch 7733702408

    6.1 kW · SEER 7.8 · 279 kWh/yr
    €79/year
46. 1146A++
    Bosch 7733702401

    5.2 kW · SEER 6.7 · 279 kWh/yr
    €79/year
47. 1147A++
    Buderus 7733702499

    5.2 kW · SEER 6.7 · 279 kWh/yr
    €79/year
48. 1148A++
    Buderus 7733703253

    6.1 kW · SEER 7.8 · 279 kWh/yr
    €79/year
49. 1149A++
    Fujitsu AOYG18KBTB/ARXG18KHTAP

    5.2 kW · SEER 6.5 · 280 kWh/yr
    €79/year
50. 1150A+++
    Fujitsu AOYG24KBTA3/ASYG07KMCC/ASYG09KMCC/ASYG09KMCC

    6.8 kW · SEER 8.5 · 280 kWh/yr
    €79/year

Ranked by annual energy consumption; running cost at the EU average household price. Open a model to see the cost in your country. Methodology