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. 601A+
   Panasonic CS-Z25UD3EAW / CU-Z25UBEA

   2.5 kW · SEER 5.9 · 148 kWh/yr
   €42/year
2. 602A+
   General AOHG09KATA/ARXG09KLLAP

   2.5 kW · SEER 5.9 · 148 kWh/yr
   €42/year
3. 603A++
   Qlima S 3825

   2.5 kW · SEER 6.1 · 148 kWh/yr
   €42/year
4. 604A+
   LG UU09W UL0/CV09 NE2

   2.5 kW · SEER 5.9 · 149 kWh/yr
   €42/year
5. 605A+
   Daikin FDXM25F3V1B9 / RXS25L3V1B

   2.4 kW · SEER 5.6 · 149 kWh/yr
   €42/year
6. 606A++
   Innovita BREZZA IN 9000 cod. 80000343 / BREZZA OUT MONO 9000 cod. 80000344

   2.3 kW · SEER 6.1 · 149 kWh/yr
   €42/year
7. 607A++
   FEGACPP9

   2.5 kW · SEER 6.5 · 149 kWh/yr
   €42/year
8. 608A++
   Aerson TVKA9000W

   2 kW · SEER 6.1 · 149 kWh/yr
   €42/year
9. 609A
   Hitachi RAC-25NPA / RAI-25RPA

   2.5 kW · SEER 5.7 · 150 kWh/yr
   €42/year
10. 610A
    Hitachi RAC-25WXA / RAK-25PXA

    2.5 kW · SEER 5.8 · 150 kWh/yr
    €42/year
11. 611A++
    Allview SENSY 9

    2.5 kW · SEER 6.1 · 150 kWh/yr
    €42/year
12. 612A+++
    AUX ASW-H09B6/ Q SERIES-EU

    2.1 kW · SEER 6.1 · 150 kWh/yr
    €42/year
13. 613A++
    AURA AU-CSD-09DAA

    2.5 kW · SEER 6.1 · 150 kWh/yr
    €42/year
14. 614A++
    Sensor CSD-09DAS

    2.5 kW · SEER 6.1 · 150 kWh/yr
    €42/year
15. 615A++
    Akai Mistral9024K-J

    2.5 kW · SEER 6.1 · 150 kWh/yr
    €42/year
16. 616A+
    Hitachi RAC-25WEC / RAK-25PEC

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
17. 617A+
    Hitachi RAC-S10HB / RAS-S10HB

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
18. 618A+
    Hitachi RAC-k10HCG / RAS-k10HCG

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
19. 619A
    Hitachi RAC-25WPA / RAK-25PPA

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
20. 620A
    Hitachi RAC-25WEA / RAK-25PEA

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
21. 621A
    Hitachi RAC-25FPA / RAF-25RPA

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
22. 622A
    Hitachi RAC-25WEB / RAK-25PEB

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
23. 623A
    Saivod ASG0915I

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
24. 624A
    Saivod ASG0718I

    2.2 kW · SEER 5.1 · 151 kWh/yr
    €43/year
25. 625A+
    Panasonic CS-DZ25VKE / CU-DZ25VKE

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
26. 626A+
    Panasonic CS-BE25TKE-1 / CU-BE25TKE-1

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
27. 627A+
    Sinclair ASH-09AIR3

    2.5 kW · SEER 5.8 · 151 kWh/yr
    €43/year
28. 628A++
    Becken BAC8697

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
29. 629A++
    Kazeiro Xenios 9K

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
30. 630A+
    Daikin FVXS25FV1B / RXS25L3V1B

    2.5 kW · SEER 5.7 · 152 kWh/yr
    €43/year
31. 631A++
    Beko BEHPE 090/BEHPE 091 8511893200

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
32. 632A++
    Saturn ST-09HR/BTU

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
33. 633A++
    Laretti LR-09WF

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
34. 634A++
    Grundig GEHPC 090/ GEHPC 091 8511743600

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
35. 635A++
    Indesit INSPI309A2WF I/INSPI309A2WF O

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
36. 636A++
    Emelson EMLS09BASIC

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
37. 637A++
    Arielli ACSD-09CHA

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
38. 638A++
    CHiQ CSD-09

    2.5 kW · SEER 6 · 152 kWh/yr
    €43/year
39. 639A++
    Blomberg BLEVPK 090/ BLEVPK 091 8511463800

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
40. 640A++
    DIGIQUEST 9000BTU V4-CLIMAINT56/EST56

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
41. 641A++
    Sanden Intercool Italy Srl ICG-09INT-ID/ICG-09INT-OD

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
42. 642A++
    Dreame AR-26(A)GW/EWIND10A2-EU

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
43. 643A++
    Beko BEHPF 095/BEHPF 096 8513543200

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
44. 644A++
    Beko BEHPE 095/BEHPE 096 8513463200

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
45. 645A++
    Yitahome YSAA09DM3AE

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
46. 646A++
    Cozeware CSAA09DT3AE

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
47. 647A++
    Digiquest Solutions Surl DIGIQUEST 9000BTU V3-CLIMAINT50/EST50

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
48. 648A++
    Eluxe ELS026ECO2BR32

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
49. 649A++
    Skyluxe SKY-S026ECOR32

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/year
50. 650A++
    Giatsu GIA-S09SIBE-R32

    2.5 kW · SEER 6.1 · 152 kWh/yr
    €43/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