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).

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

1. 501A++
   Cecotec P82843

   2.5 kW · SEER 6.3 · 139 kWh/yr
   €39/year
2. 502A++
   Mitsubishi Electric MSZ-HR25VFK2 / MUZ-HR25VF3

   2.5 kW · SEER 6.3 · 139 kWh/yr
   €39/year
3. 503A
   Hitachi RAC-25FXA / RAF-25PXA

   2.5 kW · SEER 6.4 · 140 kWh/yr
   €40/year
4. 504A++
   Fujitsu AOYG09KBTB/ARXG09KLLAP

   2.5 kW · SEER 6.2 · 141 kWh/yr
   €40/year
5. 505A++
   Fujitsu AOYG09KATA/AUXG09KVLA

   2.5 kW · SEER 6.2 · 141 kWh/yr
   €40/year
6. 506A++
   Panasonic CS-FZ25UKE / CU-FZ25UKE

   2.5 kW · SEER 6.2 · 141 kWh/yr
   €40/year
7. 507A++
   Panasonic CS-FZ25WKE / CU-FZ25WKE

   2.5 kW · SEER 6.2 · 141 kWh/yr
   €40/year
8. 508A++
   Hitachi RAC-25NPE / RAD-25RPE

   2.5 kW · SEER 6.2 · 141 kWh/yr
   €40/year
9. 509A++
   Hitachi RAC-25NPE / RAI-25RPE

   2.5 kW · SEER 6.2 · 141 kWh/yr
   €40/year
10. 510A++
    Mitsubishi Electric MLZ-KP25VF / SUZ-M25VA

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
11. 511A++
    Mitsubishi Electric MSZ-HR25VF / MUZ-HR25VF

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
12. 512A++
    Mitsubishi Electric MLZ-KP25VG / SUZ-M25VA

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
13. 513A++
    Daikin FTXF25A2V1B / RXF25A2V1B

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
14. 514A++
    Daikin FTXQ25AMV1B / RXQ25AMV1B

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
15. 515A++
    Daikin FTXF25C5V1B / RXF25C5V1B

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
16. 516A++
    Daikin ATXF25C5V1B / ARXF25C5V1B

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
17. 517A++
    Daikin ATXF25A5V1B / ARXF25A5V1B

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
18. 518A++
    Fuji Electric ROG09KATA/RCG09KVLA

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
19. 519A++
    Fuji Electric ROG09KBTB/RDG09KLLAP

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
20. 520A++
    Panasonic CS-FE25UKE / CU-FE25UKE

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
21. 521A++
    Arielli ASW-H09A4/FFR1DI-EU

    2.5 kW · SEER 6.1 · 141 kWh/yr
    €40/year
22. 522A++
    AUX ASW-H09A4/FIR1DI-EU

    2.5 kW · SEER 6.1 · 141 kWh/yr
    €40/year
23. 523A++
    General AOHG09KATA/AUXG09KVLA

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
24. 524A++
    General AOHG09KBTB/ARXG09KLLAP

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
25. 525A++
    Panasonic CS-Z25CD3EAW / CU-Z25CBEA

    2.5 kW · SEER 6.2 · 141 kWh/yr
    €40/year
26. 526A++
    Daikin FFA25A2VEB9 / RXM25N2V1B9

    2.5 kW · SEER 6.2 · 142 kWh/yr
    €40/year
27. 527A++
    Daikin ATXQ25AMV1B / ARXQ25AMV1B

    2.5 kW · SEER 6.2 · 142 kWh/yr
    €40/year
28. 528A++
    Daikin FTX25J3V1B / RX25K2V1B

    2.5 kW · SEER 6.2 · 142 kWh/yr
    €40/year
29. 529A++
    Daitsu DS-9UIDN(WD)_DOS-9UIDN(WD)

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
30. 530A++
    Daitsu DS-9KIDB(WD)_DOS-9KIDB(WD)

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
31. 531A+
    Hiyasu HS-9UIHN(W)_HOS-9UIHN(W)

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
32. 532A++
    Hiyasu HS-9KIHB(W)_HOS-9KIHB(W)

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
33. 533A++
    LG UUA1 UL0/CL09F N50withdrawn

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
34. 534A++
    Becken BAC4199

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
35. 535A++
    Haier AS25RHBHRA / 1U25YERFRA

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
36. 536A++
    LG W09TE NEU/W09TE UEU

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
37. 537A++
    Ocean ACSIH 9 OC A++

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
38. 538A++
    Electrolux EXI09HJIWE 950001980

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
39. 539A++
    Equation AAF-09HRDN1

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
40. 540A++
    Bosch 7731200032

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
41. 541A++
    Vulcano 7731200136

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
42. 542A++
    Junkers 7731200126

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
43. 543A++
    Hitachi RAC-25WEF / RAK-25REF

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
44. 544A++
    Mitsubishi Electric SFZ-M25VA / SUZ-M25VA

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
45. 545A++
    Daikin FFA25A2VEB9 / RXS25L3V1B

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
46. 546A++
    MAXA BDL26EA2

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
47. 547A++
    MAXA BDL26ER

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
48. 548A++
    MAXA BDL26A7

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
49. 549A++
    Saivod ASG0918WI

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/year
50. 550A++
    Kingfisher International Products Limited MSAFAU-09HRDN1-QRD0GW

    2.5 kW · SEER 6.1 · 143 kWh/yr
    €40/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