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. 401A++
   Fuji Electric ROG09KPCA/RSG09KPCA

   2.5 kW · SEER 6.7 · 131 kWh/yr
   €37/year
2. 402A++
   Fuji Electric ROG09KBTB/RCG09KVLA

   2.5 kW · SEER 6.7 · 131 kWh/yr
   €37/year
3. 403A++
   Samsung AR50F09C1BHN/AR50F09C1BHX

   2.5 kW · SEER 6.7 · 131 kWh/yr
   €37/year
4. 404A++
   General AOHG09KPCA/ASHG09KPCA

   2.5 kW · SEER 6.7 · 131 kWh/yr
   €37/year
5. 405A++
   General AOHG09KBTB/AUXG09KVLA

   2.5 kW · SEER 6.7 · 131 kWh/yr
   €37/year
6. 406A++
   Daikin FVXG25K2V1B / RXLG25M2V1B

   2.5 kW · SEER 7 · 131 kWh/yr
   €37/year
7. 407A++
   Panasonic CS-RZ25CKEW / CU-RZ25CKE

   2.5 kW · SEER 6.7 · 131 kWh/yr
   €37/year
8. 408A++
   Hamilton Digital HDWI-MAXIMUS-95C / HDOI-MAXIMUS-95C

   2.5 kW · SEER 6.6 · 132 kWh/yr
   €37/year
9. 409A++
   Daikin FTXLS25K3V1B / RXLS25M2V1B

   2.5 kW · SEER 6.6 · 132 kWh/yr
   €37/year
10. 410A++
    Digiquest Solutions Surl DIGIQUEST 9000BTU CLIMAINT16 CLIMAEST16

    2.5 kW · SEER 6.6 · 132 kWh/yr
    €37/year
11. 411A++
    Ariston NEVIS 25 MUD0 3381193

    2.5 kW · SEER 6.8 · 132 kWh/yr
    €37/year
12. 412A++
    Daewoo SLU09W32R30CY

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
13. 413A++
    GREE GWH09AAAXB-K6DNA2B

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
14. 414A++
    LG AP09RT

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
15. 415A++
    Heiwa HMES2-25P-V2 / HMIS3-25-V1

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
16. 416A++
    Azuri AZI-WN25VA/I - AZI-WN25VA/O

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
17. 417A++
    Mitsubishi Heavy Industries SRC25ZS-W1_SRR25ZS-W

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
18. 418A++
    Panasonic CS-CZ25WKE / CU-CZ25WKE

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
19. 419A++
    Panasonic CS-CZ25TKE / CU-CZ25TKE

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
20. 420A++
    AlpicAir AWI-26HRDC1F AWO-26HRDC1F

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
21. 421A++
    Eca Technology SKWI0924GHP-32

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
22. 422A++
    GREE GWH09AWAXB-K6DNA5B

    2.5 kW · SEER 6 · 133 kWh/yr
    €38/year
23. 423A++
    Cooper&Hunter CH-S09FTXF6

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
24. 424A++
    Finlux FN-AC1S09WH

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
25. 425A++
    Toshiba Carrier Corporation RAS-25J2AVG-ND+RAS-25J2KVG-ND

    2.5 kW · SEER 6.5 · 133 kWh/yr
    €38/year
26. 426A++
    Toshiba Carrier Corporation RAS-10PAVSG-E+RAS-B10U2FVG-E1

    2.5 kW · SEER 6.6 · 133 kWh/yr
    €38/year
27. 427A++
    LG PM09SP UA3/PM09SP NSJ

    2.5 kW · SEER 6.5 · 134 kWh/yr
    €38/year
28. 428A++
    Panasonic S-25PY3E / U-25PZ3E5

    2.5 kW · SEER 6.5 · 134 kWh/yr
    €38/year
29. 429A++
    Mitsubishi Electric MFZ-KT25VG / SUZ-M25VA

    2.5 kW · SEER 6.5 · 134 kWh/yr
    €38/year
30. 430A++
    Daikin FTX25K5V1B / RX25K2V1B

    2.5 kW · SEER 6.6 · 134 kWh/yr
    €38/year
31. 431A++
    Mitsubishi Electric MFZ-KT25VGK / SUZ-M25VA2

    2.5 kW · SEER 6.5 · 134 kWh/yr
    €38/year
32. 432A++
    Daikin FVXG25K2V1B / RXG25L2V1B

    2.5 kW · SEER 6.5 · 134 kWh/yr
    €38/year
33. 433A++
    RCA JAUS-09H53GVA1-610(BpRD0)

    2.5 kW · SEER 6.1 · 134 kWh/yr
    €38/year
34. 434A++
    SVAN SAAS1202W

    2.5 kW · SEER 6.1 · 134 kWh/yr
    €38/year
35. 435A++
    Silver IPACC9

    2.5 kW · SEER 6.1 · 134 kWh/yr
    €38/year
36. 436A++
    Akai MISTRAL9026KJ

    2.5 kW · SEER 6.1 · 134 kWh/yr
    €38/year
37. 437A++
    Sansui BREEZE09SN-J

    2.5 kW · SEER 6.1 · 134 kWh/yr
    €38/year
38. 438A++
    Fujitsu AOYG09KMCDN/ASYG09KMCDN

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
39. 439A++
    Fujitsu AOYG09KMCBN/ASYG09KMCB

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
40. 440A++
    GREE GWH09AFA-K6DNA1A

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
41. 441A++
    Azuri AZI-WE25VF/I / AZI-WE25VF/O

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
42. 442A++
    GREE GWH09QA-K6DNC6A

    2.5 kW · SEER 65 · 135 kWh/yr
    €38/year
43. 443A++
    GREE GWH09QA-K6DNA6A

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
44. 444A++
    LG S09EH

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
45. 445A++
    LG S09EW

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
46. 446A++
    Toyotomi KTN22-09R32/KTG22-09R32

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
47. 447A++
    ARGO ECOLIGHT PLUS MONO 9000

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
48. 448A++
    comfee MSAF5-09HRDN8-QE

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
49. 449A++
    Fuji Electric ROG09KMCDN/RSG09KMCDN

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
50. 450A++
    Mitsubishi Electric MSZ-DW25VF / MUZ-DW25VF

    2.5 kW · SEER 6.2 · 135 kWh/yr
    €38/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