Most energy-efficient air conditioners, up to 2.5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €21 a year at the EU average electricity price (0.283 €/kWh). The top model is the Biaowang KY-302.

By energy class: A 108 · A+ 45 · A++ 429 · A+++ 172 · B 3 · C 1 · D 4

1. 1A++
   Biaowang KY-302

   1 kW · SEER 2.6 · 54 kWh/yr
   €15/year
2. 2A++
   Biaowang BW-105YF

   1 kW · SEER 2.6 · 58 kWh/yr
   €16/year
3. 3A++
   JUBA KYS-30-105Y

   0.1 kW · SEER 2.6 · 59 kWh/yr
   €17/year
4. 4A+++
   Mitsubishi Heavy Industries SRC20ZSX-W_SRK20ZSX-W

   2 kW · SEER 10 · 70 kWh/yr
   €20/year
5. 5A+++
   General AOHH07KGCG/ASHH07KGTG

   2 kW · SEER 9.8 · 71 kWh/yr
   €20/year
6. 6A+++
   Fujitsu AOEH07KGCG/ASEH07KGTG

   2 kW · SEER 9.8 · 71 kWh/yr
   €20/year
7. 7A+++
   Fuji Electric ROH07KGCG/RSH07KGTG

   2 kW · SEER 9.8 · 71 kWh/yr
   €20/year
8. 8A++
   Mitsubishi Electric MSZ-AP15VG / MUZ-AP15VG

   1.5 kW · SEER 7.2 · 72 kWh/yr
   €20/year
9. 9A++
   Mitsubishi Electric MSZ-AY15VGKP / MUZ-AY15VG

   1.5 kW · SEER 7.2 · 72 kWh/yr
   €20/year
10. 10A+++
    Mitsubishi Heavy Industries SRC20ZTX-WA_SRK20ZTX-WA

    2 kW · SEER 9.6 · 73 kWh/yr
    €21/year
11. 11A+++
    General AOHH07KJCA/ASHH07KJCAL

    2 kW · SEER 9.6 · 73 kWh/yr
    €21/year
12. 12A+++
    Fujitsu AOYH07KJCA/ASYH07KJCA

    2 kW · SEER 9.6 · 73 kWh/yr
    €21/year
13. 13A+++
    NIBE ALVA-20OA1 / NIBE ALVA-20IA1

    2 kW · SEER 9.6 · 73 kWh/yr
    €21/year
14. 14A+++
    Daikin FTXM20A2V1B / RXM20A5V1B

    2 kW · SEER 9.5 · 74 kWh/yr
    €21/year
15. 15A+++
    Mitsubishi Heavy Industries SRC20ZSX-S_SRK20ZSX-W

    2 kW · SEER 9.5 · 74 kWh/yr
    €21/year
16. 16A+++
    Mitsubishi Heavy Industries SRC20ZT-W_SRK20ZT-WF

    2 kW · SEER 9.5 · 74 kWh/yr
    €21/year
17. 17A+++
    Mitsubishi Electric MSZ-RZ25VU / MUZ-RZ25VU

    2.5 kW · SEER 11.7 · 75 kWh/yr
    €21/year
18. 18A+++
    Mitsubishi Electric MSZ-RZ25VU / MUZ-RZ25VUHZ

    2.5 kW · SEER 11.7 · 75 kWh/yr
    €21/year
19. 19A+++
    Bosch 7733703118

    2 kW · SEER 9.4 · 75 kWh/yr
    €21/year
20. 20A+++
    Buderus 7733703133

    2 kW · SEER 9.4 · 75 kWh/yr
    €21/year
21. 21A++
    Toshiba Carrier Corporation RAS-05E2AVG-E+RAS-B05E2KVG-E

    1.5 kW · SEER 6.9 · 76 kWh/yr
    €22/year
22. 22A+++
    Fuji Electric ROG07KGCA/RSG07KGTE

    2 kW · SEER 9.1 · 77 kWh/yr
    €22/year
23. 23A+++
    Fujitsu AOYG07KGCA/ASYG07KGTE

    2 kW · SEER 9.1 · 77 kWh/yr
    €22/year
24. 24A+++
    General AOHG07KGCA/ASHG07KGTE

    2 kW · SEER 9.1 · 77 kWh/yr
    €22/year
25. 25A+++
    Mitsubishi Heavy Industries SRC20ZT-WA_SRK20ZT-WA

    2 kW · SEER 9 · 78 kWh/yr
    €22/year
26. 26A+++
    Mitsubishi Electric MSZ-RW25VG / MUZ-RW25VGHZ

    2.5 kW · SEER 11.2 · 78 kWh/yr
    €22/year
27. 27A+++
    Samsung AR70F07C1ABN/AR70F07C1AWX

    2 kW · SEER 9 · 78 kWh/yr
    €22/year
28. 28A+++
    Mitsubishi Electric MSZ-RW25VG2 / MUZ-RW25VGHZ2

    2.5 kW · SEER 11.2 · 78 kWh/yr
    €22/year
29. 29A++
    NIBE LIVA-20OA1 / NIBE LIVA-20IA1

    2 kW · SEER 9 · 78 kWh/yr
    €22/year
30. 30A+++
    Fuji Electric ROH09KHCBN/RSH09KHCBN

    2.5 kW · SEER 10.9 · 80 kWh/yr
    €23/year
31. 31A+++
    Daikin FTXA20A2V1BS / RXA20A2V1B

    2 kW · SEER 8.8 · 80 kWh/yr
    €23/year
32. 32A+++
    Daikin FTXJ20A2V1BS / RXJ20A5V1B

    2 kW · SEER 8.8 · 80 kWh/yr
    €23/year
33. 33A+++
    Fujitsu AOEH09KHCBN/ASEH09KHCBN

    2.5 kW · SEER 10.9 · 80 kWh/yr
    €23/year
34. 34A+++
    General AOHH09KHCBN/ASHH09KHCBN

    2.5 kW · SEER 10.9 · 80 kWh/yr
    €23/year
35. 35A++
    GREE GWH05AWAXA-K6DNA1A

    1.5 kW · SEER 6.6 · 80 kWh/yr
    €23/year
36. 36A+++
    Mitsubishi Electric MSZ-AP20VG / MUZ-AP20VG

    2 kW · SEER 8.6 · 81 kWh/yr
    €23/year
37. 37A+++
    Mitsubishi Electric MSZ-AY20VGKP / MUZ-AY20VG

    2 kW · SEER 8.6 · 81 kWh/yr
    €23/year
38. 38A+++
    Daikin FTXM20N2V1B / RXM20N5V1B9

    2 kW · SEER 8.7 · 81 kWh/yr
    €23/year
39. 39A+++
    Daikin FTXM20R5V1B / RXM20R5V1B

    2 kW · SEER 8.7 · 81 kWh/yr
    €23/year
40. 40A+++
    Daikin FTXM20A2V1B / RXM20R5V1B9

    2 kW · SEER 8.7 · 81 kWh/yr
    €23/year
41. 41A+++
    Hitachi RAC-18WPE / RAK-18RPE

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
42. 42A++
    Hitachi RAC-18WPD / RAK-18RPD

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
43. 43A+++
    Fuji Electric ROG07KGCA/RSG07KGTB

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
44. 44A+++
    Carrier 38WHSH020A1A0TEE+40WHHB020D1A0TEE

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
45. 45A++
    General AOHG07KGCA/ASHG07KGTB

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
46. 46A++
    Fujitsu AOYG07KGCA/ASYG07KGTB

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
47. 47A+++
    Toshiba Carrier Corporation RAS-07J2AVSG-E+RAS-B07J2KVSG-E

    2 kW · SEER 8.5 · 82 kWh/yr
    €23/year
48. 48A+++
    Toshiba Carrier Corporation RAS-10S4AVPG-E+RAS-B10S4KVDG-E

    2.5 kW · SEER 10.7 · 82 kWh/yr
    €23/year
49. 49A++
    General AOHH07KMCG/ASHH07KMCG

    2 kW · SEER 8.4 · 83 kWh/yr
    €24/year
50. 50A+++
    Mitsubishi Electric MSZ-LN25VG2W / MUZ-LN25VG2

    2.5 kW · SEER 10.5 · 83 kWh/yr
    €24/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