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. 1001A++
   Vesser WAV18DS/AV18DS

   5.3 kW · SEER 6.8 · 273 kWh/yr
   €77/year
2. 1002A++
   Tesla TA53QQDT-1832IAWT

   5.3 kW · SEER 6.8 · 273 kWh/yr
   €77/year
3. 1003A++
   VOX Electronics IDP18-VCWHB

   5.2 kW · SEER 6.6 · 273 kWh/yr
   €77/year
4. 1004A++
   NOBU NOBI-18WFI/NOBO-18

   5.3 kW · SEER 6.8 · 273 kWh/yr
   €77/year
5. 1005A++
   Zeniro KWSMI-12IR32HFAE(J)X2 KWSMO-18IR32HFAE

   5.3 kW · SEER 6.8 · 273 kWh/yr
   €77/year
6. 1006A++
   Zeniro KWSMI-09IR32HFAE(J)X2 KWSMO-18IR32HFAE

   5.3 kW · SEER 6.8 · 273 kWh/yr
   €77/year
7. 1007A++
   Viessmann Vitoclima 300-S/HE O3F3062M3

   6.1 kW · SEER 7.8 · 273 kWh/yr
   €77/year
8. 1008A++
   Bosch 7733702398

   5.2 kW · SEER 6.8 · 273 kWh/yr
   €77/year
9. 1009A++
   Yitahome YSAA18DM3AE

   5.2 kW · SEER 6.6 · 273 kWh/yr
   €77/year
10. 1010A++
    Cozeware CSAA18DT3AE

    5.2 kW · SEER 6.6 · 273 kWh/yr
    €77/year
11. 1011A++
    GREE GWH18UC-K6DNA4A (2020 registration)

    5.3 kW · SEER 6.8 · 273 kWh/yr
    €77/year
12. 1012A++
    Buderus 7733702497

    5.2 kW · SEER 6.8 · 273 kWh/yr
    €77/year
13. 1013A++
    Giatsu GIA-D-18INSPWF

    5.2 kW · SEER 6.1 · 273 kWh/yr
    €77/year
14. 1014A++
    Giatsu GIA-C6-18INSPWF

    5.2 kW · SEER 6.1 · 273 kWh/yr
    €77/year
15. 1015A++
    Hokkaido HKEDS 530 ZA - HCNDS 530 ZA

    5.3 kW · SEER 6.8 · 273 kWh/yr
    €77/year
16. 1016A++
    Bosch 7733704836

    5.2 kW · SEER 6.6 · 273 kWh/yr
    €77/year
17. 1017A++
    Bosch 7733704864

    5.2 kW · SEER 6.6 · 273 kWh/yr
    €77/year
18. 1018A++
    Bosch 7733704827

    5.2 kW · SEER 6.7 · 273 kWh/yr
    €77/year
19. 1019A++
    Zephir ZDA9+9WIFI MY26

    5.3 kW · SEER 6.8 · 273 kWh/yr
    €77/year
20. 1020A++
    AEG NSE01-3535-MULTI01-53-2

    5.3 kW · SEER 6.7 · 273 kWh/yr
    €77/year
21. 1021A++
    ELCO DUAL 50 RIGEON PRO_IDU 12+12

    5.3 kW · SEER 6.7 · 273 kWh/yr
    €77/year
22. 1022A++
    Ariston DUAL 50 NEVIS NET_UA1-I 12+12

    5.3 kW · SEER 6.7 · 273 kWh/yr
    €77/year
23. 1023A++
    Fujitsu AOYG18LAT3/ASYG07LMCA/ASYG07LMCA/ASYG07LMCA (2021 registration)

    5.4 kW · SEER 6.9 · 274 kWh/yr
    €78/year
24. 1024A++
    Mitsubishi Heavy Industries SRC60ZSX-W1_SRK60ZSX-W

    6.1 kW · SEER 7.8 · 274 kWh/yr
    €78/year
25. 1025A++
    Mitsubishi Electric MXZ-2F53VFHZ / MSZ-LN18VG2 + MSZ-LN35VG2

    5.3 kW · SEER 6.8 · 274 kWh/yr
    €78/year
26. 1026A++
    Mitsubishi Electric MXZ-2F53VFHZ2 / MSZ-LN18VG2 + MSZ-LN35VG2

    5.3 kW · SEER 6.8 · 274 kWh/yr
    €78/year
27. 1027A++
    Fuji Electric ROG18LAT3/RSG07LMCA/RSG07LMCA/RSG07LMCA

    5.4 kW · SEER 6.9 · 274 kWh/yr
    €78/year
28. 1028A++
    Emmeti X-REVO1825C-S

    5.1 kW · SEER 6.5 · 274 kWh/yr
    €78/year
29. 1029A++
    Bosch 7733702406

    6.1 kW · SEER 7.9 · 274 kWh/yr
    €78/year
30. 1030A
    General AOHG18LAT3/ASHG07LMCA/ASHG07LMCA/ASHG07LMCA

    5.4 kW · SEER 6.9 · 274 kWh/yr
    €78/year
31. 1031A
    Fujitsu AOYG18LAT3/ASYG07LMCA/ASYG07LMCA/ASYG07LMCA (2019 registration)

    5.4 kW · SEER 6.9 · 274 kWh/yr
    €78/year
32. 1032A++
    Hitachi RAS-2.5HVRC3 - RPC-2.5FSR(1)

    5.6 kW · SEER 7.1 · 274 kWh/yr
    €78/year
33. 1033A++
    Mijia ASH-18WO/N2C2-EU

    5.4 kW · SEER 6.9 · 274 kWh/yr
    €78/year
34. 1034A++
    Bosch 7733702404

    6.1 kW · SEER 7.9 · 274 kWh/yr
    €78/year
35. 1035A++
    Buderus 7733703250

    6.1 kW · SEER 7.9 · 274 kWh/yr
    €78/year
36. 1036A++
    Fujitsu AOEG18KBCA3/ASEH09KNCA/ASEH09KNCA/ASEH12KNCA

    5.4 kW · SEER 6.9 · 274 kWh/yr
    €78/year
37. 1037A++
    ELCO TRIAL 80 RIGEON PRO_IDU 9+9

    5.2 kW · SEER 6.7 · 274 kWh/yr
    €78/year
38. 1038A++
    Ariston TRIAL 80 NEVIS NET_UA1-I 9+9

    5.2 kW · SEER 6.7 · 274 kWh/yr
    €78/year
39. 1039A++
    Fujitsu AOYG18KBTB/AUXG18KVLA

    5.2 kW · SEER 6.6 · 275 kWh/yr
    €78/year
40. 1040A++
    Fuji Electric ROG18KBTB/RCG18KVLA

    5.2 kW · SEER 6.6 · 275 kWh/yr
    €78/year
41. 1041A++
    Zephir ZT3218000 MY25

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
42. 1042A++
    Nørdis ORION PRO NDI/NDO-OP18TC1

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
43. 1043A++
    Nørdis / Nordis ORION PRO NDI/NDO-OP18TC1

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
44. 1044A++
    TCL S18F3S1

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
45. 1045A++
    Daitsu DS-18KLF_DOS-18KLF

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
46. 1046A++
    Tecro AC-T5135 WIFI FREEZE

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
47. 1047A++
    Auratsu ATC-18CLHI/ATC-18CLHO

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
48. 1048A++
    Inventor V6MCRI32-18WiFiR/U6MRS32-18

    5.3 kW · SEER 6.1 · 275 kWh/yr
    €78/year
49. 1049A++
    Bosch 7733702389

    5.2 kW · SEER 6.9 · 275 kWh/yr
    €78/year
50. 1050A++
    Bosch 7733702395

    5.2 kW · SEER 6.7 · 275 kWh/yr
    €78/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