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. 251A+
   Fujitsu AOYG07LLCE/ASYG07LLCE

   2 kW · SEER 6.7 · 104 kWh/yr
   €29/year
2. 252A++
   Fujitsu AOYG07KPCA/ASYG07KPCA

   2 kW · SEER 6.7 · 104 kWh/yr
   €29/year
3. 253A++
   General AOHG07KPCA/ASHG07KPCA

   2 kW · SEER 6.7 · 104 kWh/yr
   €29/year
4. 254A++
   Fuji Electric ROH09KMCG/RSH09KMCG

   2.5 kW · SEER 8.4 · 104 kWh/yr
   €29/year
5. 255A++
   Fujitsu AOEH09KMCG/ASEH09KMCG

   2.5 kW · SEER 8.4 · 104 kWh/yr
   €29/year
6. 256A++
   Mitsubishi Electric MFZ-KW25VGK / MUFZ-KW25VGHZ2

   2.5 kW · SEER 8.3 · 104 kWh/yr
   €29/year
7. 257A++
   Daikin ATXP20K3V1B / ARXP20K3V1B

   2 kW · SEER 6.8 · 104 kWh/yr
   €29/year
8. 258A++
   Rotenso U21Xi R17 / U21Xo R17

   2.1 kW · SEER 7.1 · 104 kWh/yr
   €29/year
9. 259A++
   Midea EF-07RD1H / MX0-07RD1

   2.1 kW · SEER 7.1 · 104 kWh/yr
   €29/year
10. 260A++
    Daikin FTX20K5V1B / RX20K2V1B

    2 kW · SEER 6.7 · 105 kWh/yr
    €30/year
11. 261A++
    LG P09SND NS0/P09SND U12A

    2.5 kW · SEER 8.3 · 105 kWh/yr
    €30/year
12. 262A++
    Mitsubishi Heavy Industries DXC07Z7-W_DXK07Z7-W

    2 kW · SEER 6.7 · 105 kWh/yr
    €30/year
13. 263A++
    Daikin FTXC20BV1B / RXC20BV1B

    2.1 kW · SEER 6.9 · 106 kWh/yr
    €30/year
14. 264A++
    Daikin ATX20K5V1B / ARX20K2V1B

    2 kW · SEER 6.6 · 106 kWh/yr
    €30/year
15. 265A++
    Daikin FTXC20DV1B / RXC20DV1B

    2.1 kW · SEER 6.9 · 106 kWh/yr
    €30/year
16. 266A++
    Atlantic 872920

    2 kW · SEER 6.8 · 106 kWh/yr
    €30/year
17. 267A++
    Midea MB-09N8D6-I / MBT-09N8D6-O

    2.5 kW · SEER 8.2 · 107 kWh/yr
    €30/year
18. 268A++
    Haier AF25S2SD1FA(D) / 1U25S2SM1FA-2

    2.5 kW · SEER 8 · 107 kWh/yr
    €30/year
19. 269A++
    Daikin ATXC20BV1B / ARXC20BV1B

    2.1 kW · SEER 6.8 · 107 kWh/yr
    €30/year
20. 270A++
    Panasonic CS-E9SKEW-M / CU-E9SKE

    2.5 kW · SEER 8.2 · 107 kWh/yr
    €30/year
21. 271A++
    Daikin ATXC20EV1B / ARXC20EV1B

    2.1 kW · SEER 6.8 · 107 kWh/yr
    €30/year
22. 272A++
    Haier AF25S2SD1FA / 1U25S2SM1FA

    2.5 kW · SEER 8 · 107 kWh/yr
    €30/year
23. 273A++
    Panasonic CS-RZ20WKEW / CU-RZ20WKE

    2 kW · SEER 6.5 · 108 kWh/yr
    €31/year
24. 274A++
    Mitsubishi Electric MSZ-BT25VG / MUZ-BT25VG

    2.5 kW · SEER 8.1 · 108 kWh/yr
    €31/year
25. 275A++
    Daikin FTXF20D5V1B / RXF20D5V1B

    2 kW · SEER 6.5 · 108 kWh/yr
    €31/year
26. 276A++
    Daikin FTXF20D5V1B / RXF20E5V1B

    2 kW · SEER 6.5 · 108 kWh/yr
    €31/year
27. 277A++
    Panasonic CS-Z25UFEAW-1 / CU-Z25UFEA-1

    2.5 kW · SEER 8.1 · 108 kWh/yr
    €31/year
28. 278A++
    Mitsubishi Electric MSZ-BT25VGK2 / MUZ-BT25VG2

    2.5 kW · SEER 8.1 · 108 kWh/yr
    €31/year
29. 279A++
    Panasonic CS-NZ25YKE / CU-NZ25YKE

    2.5 kW · SEER 8 · 109 kWh/yr
    €31/year
30. 280A++
    Daikin ATXF20C5V1B / ARXF20D5V1B

    2 kW · SEER 6.4 · 109 kWh/yr
    €31/year
31. 281A++
    Daikin ATXF20E5V1B / ARXF20D5V1B

    2 kW · SEER 6.4 · 109 kWh/yr
    €31/year
32. 282A++
    Panasonic CS-RZ20VKEW / CU-RZ20VKE

    2 kW · SEER 6.4 · 109 kWh/yr
    €31/year
33. 283A+++
    Morris WFIN-26184 / WFOD-26185

    2.5 kW · SEER 8.5 · 110 kWh/yr
    €31/year
34. 284A+++
    F&U FVIN-09180 / FVOT-09181

    2.5 kW · SEER 8.5 · 110 kWh/yr
    €31/year
35. 285A+++
    Mijaki MJI-9909S - MJO-9910S

    2.5 kW · SEER 8.5 · 110 kWh/yr
    €31/year
36. 286A++
    LG DC09RQ UL2/DC09RQ NSJ

    2.5 kW · SEER 7.9 · 111 kWh/yr
    €31/year
37. 287A++
    Daikin FTXS25K3V1B / RXS25L3V1B

    2.5 kW · SEER 7.9 · 111 kWh/yr
    €31/year
38. 288A++
    Samsung AR60F09C1AWN/AR60F09C1AWX

    2.5 kW · SEER 7.9 · 111 kWh/yr
    €31/year
39. 289A++
    Panasonic CS-Z25UFEAW / CU-Z25UBEA

    2.5 kW · SEER 7.9 · 111 kWh/yr
    €31/year
40. 290A++
    Panasonic CS-HZ25UKE / CU-HZ25UKE

    2.5 kW · SEER 7.8 · 112 kWh/yr
    €32/year
41. 291A++
    Panasonic CS-AZ9RKE-1 / CU-AZ9RKE-1

    2.5 kW · SEER 7.8 · 112 kWh/yr
    €32/year
42. 292A
    Hitachi RAC-25WSPA / RAK-25PSPA

    2.5 kW · SEER 7.7 · 113 kWh/yr
    €32/year
43. 293A++
    Daikin FTXF20C5V1B / RXF20C5V1B

    2 kW · SEER 6.2 · 113 kWh/yr
    €32/year
44. 294A++
    Mitsubishi Heavy Industries SRC25ZS-S_SRK25ZS-W

    2.5 kW · SEER 7.8 · 113 kWh/yr
    €32/year
45. 295A++
    Carrier 38WHSM020A1A0TEE+40WHMW020D1A0TEE

    2 kW · SEER 6.2 · 113 kWh/yr
    €32/year
46. 296A++
    Airton 409965

    2.1 kW · SEER 6.1 · 113 kWh/yr
    €32/year
47. 297A++
    Bosch 7733701677

    2.5 kW · SEER 7.7 · 114 kWh/yr
    €32/year
48. 298A++
    Daikin FTXF20A2V1B / RXF20A2V1B

    2 kW · SEER 6.2 · 114 kWh/yr
    €32/year
49. 299A++
    Daikin ATXF20C5V1B / ARXF20C5V1B

    2 kW · SEER 6.1 · 114 kWh/yr
    €32/year
50. 300A++
    Daikin ATXF20A5V1B / ARXF20A5V1B

    2 kW · SEER 6.1 · 114 kWh/yr
    €32/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