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. 51A+++
   Mitsubishi Electric MSZ-LN25VG2W / MUZ-LN25VGHZ2

   2.5 kW · SEER 10.5 · 83 kWh/yr
   €24/year
2. 52A+++
   Daikin FTXM20N2V1B / RXM20M3V1B9

   2 kW · SEER 8.5 · 83 kWh/yr
   €24/year
3. 53A+++
   Mitsubishi Heavy Industries SRC20ZS-WA_SRK20ZS-W

   2 kW · SEER 8.5 · 83 kWh/yr
   €24/year
4. 54A++
   Mitsubishi Heavy Industries DXC05Z7-W_DXK05Z7-W

   1.5 kW · SEER 6.4 · 83 kWh/yr
   €24/year
5. 55A++
   Fuji Electric ROH07KMCG/RSH07KMCG

   2 kW · SEER 8.4 · 83 kWh/yr
   €24/year
6. 56A++
   Fujitsu AOEH07KMCG/ASEH07KMCG

   2 kW · SEER 8.4 · 83 kWh/yr
   €24/year
7. 57A+++
   Mitsubishi Electric MSZ-LN25VG3W / MUZ-LN25VGHZ3

   2.5 kW · SEER 10.5 · 83 kWh/yr
   €24/year
8. 58A+++
   Toshiba Carrier Corporation RAS-25S4AVPG-ND+RAS-25S4KVPG-ND

   2.5 kW · SEER 10.5 · 83 kWh/yr
   €24/year
9. 59A+++
   Panasonic CS-Z20CKEW / CU-Z20CKE

   2.1 kW · SEER 8.7 · 84 kWh/yr
   €24/year
10. 60A++
    Hitachi RAC-18WSC / RAK-18PSC

    1.8 kW · SEER 7.4 · 85 kWh/yr
    €24/year
11. 61A
    Hitachi RAC-18WSA / RAK-18PSA

    1.8 kW · SEER 7.4 · 85 kWh/yr
    €24/year
12. 62A+++
    Mitsubishi Heavy Industries SRC25ZSX-W_SRK25ZSX-W

    2.5 kW · SEER 10.3 · 85 kWh/yr
    €24/year
13. 63A++
    Mitsubishi Electric MSZ-BT20VG / MUZ-BT20VG

    2 kW · SEER 8.1 · 86 kWh/yr
    €24/year
14. 64A++
    Fuji Electric ROG07KGCB/RSG07KGTF

    2 kW · SEER 8.1 · 86 kWh/yr
    €24/year
15. 65A++
    Fujitsu AOYG07KGCB/ASYG07KGTF

    2 kW · SEER 8.1 · 86 kWh/yr
    €24/year
16. 66A++
    General AOHG07KGCB/ASHG07KGTF

    2 kW · SEER 8.1 · 86 kWh/yr
    €24/year
17. 67A++
    Mitsubishi Electric MSZ-BT20VGK2 / MUZ-BT20VG2

    2 kW · SEER 8.1 · 86 kWh/yr
    €24/year
18. 68A+++
    Atlantic 872151

    2.1 kW · SEER 8.5 · 86 kWh/yr
    €24/year
19. 69A++
    Toshiba Carrier Corporation RAS-05J2AVG-E+RAS-B05J2KVG-E

    1.5 kW · SEER 6.1 · 86 kWh/yr
    €24/year
20. 70A+++
    Atlantic 872950

    2.1 kW · SEER 8.5 · 86 kWh/yr
    €24/year
21. 71A+++
    Bosch 7733703119

    2.5 kW · SEER 10.1 · 87 kWh/yr
    €25/year
22. 72A+++
    Buderus 7733703134

    2.5 kW · SEER 10.1 · 87 kWh/yr
    €25/year
23. 73A
    Hitachi RAC-18WSPA / RAK-18PSPA

    1.8 kW · SEER 7.2 · 88 kWh/yr
    €25/year
24. 74A+++
    LG H09S1P U18/H09S1P NS1

    2.5 kW · SEER 9.7 · 90 kWh/yr
    €25/year
25. 75A++
    General AOHH07KNCA/ASHH07KNCA

    2 kW · SEER 7.8 · 90 kWh/yr
    €25/year
26. 76A++
    Mitsubishi Heavy Industries SRC20ZS-S_SRK20ZS-W

    2 kW · SEER 7.8 · 90 kWh/yr
    €25/year
27. 77A+++
    GREE GWH07AUCXB-K6DNA1A

    2.2 kW · SEER 8.6 · 90 kWh/yr
    €25/year
28. 78A++
    Fujitsu AOEH07KNCA/ASEH07KNCA

    2 kW · SEER 7.8 · 90 kWh/yr
    €25/year
29. 79A++
    Fuji Electric ROH07KNCA/RSH07KNCA

    2 kW · SEER 7.8 · 90 kWh/yr
    €25/year
30. 80A+++
    LG NH09SP2 NS2 / NH09SP2 U24A

    2.5 kW · SEER 9.7 · 90 kWh/yr
    €25/year
31. 81A+++
    Samsung AR70H09CAABN/AR70H09CAAWX

    2.5 kW · SEER 9.7 · 90 kWh/yr
    €25/year
32. 82A+++
    Sinclair SOH+SIH-07BIMx

    2.2 kW · SEER 8.6 · 90 kWh/yr
    €25/year
33. 83A++
    Panasonic CS-XZ20XKEW-H / CU-Z20XKE

    2.1 kW · SEER 8.1 · 91 kWh/yr
    €26/year
34. 84A+++
    Panasonic CS-Z25YKEA / CU-Z25YKEA

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
35. 85A+++
    Panasonic CS-XZ25ZKEW / CU-Z25ZKE

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
36. 86A+++
    Daikin FTXJ20MV1BS / RXJ20M3V1B

    2.3 kW · SEER 8.7 · 92 kWh/yr
    €26/year
37. 87A+++
    Daikin FTXJ20MV1BS / RXJ20M2V1B

    2.3 kW · SEER 8.7 · 92 kWh/yr
    €26/year
38. 88A+++
    Daikin FTXZ25NV1B / RXZ25NV1B

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
39. 89A+++
    Daikin FTXM25A2V1B / RXM25A5V1B

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
40. 90A+++
    Fuji Electric ROG09LZCAN/RSG09LZCA

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
41. 91A++
    Samsung AR50F07C1AHN/AR50F07C1AHX

    2 kW · SEER 7.6 · 92 kWh/yr
    €26/year
42. 92A+++
    Samsung AR70F09CAAWN/AR70F09CAAWX

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
43. 93A+++
    Mitsubishi Heavy Industries SRC25ZSX-S_SRK25ZSX-W

    2.5 kW · SEER 9.6 · 92 kWh/yr
    €26/year
44. 94A+
    General AOHG09LZCAN/ASHG09LZCA

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
45. 95A+
    Fujitsu AOYG09LZCAN/ASYG09LZCA

    2.5 kW · SEER 9.5 · 92 kWh/yr
    €26/year
46. 96A+++
    Daikin FTXJ20A2V1BW / RXJ20M5V1B9

    2.3 kW · SEER 8.7 · 92 kWh/yr
    €26/year
47. 97A+++
    Fujitsu AOYG09KHCAN/ASYG09KHCA

    2.5 kW · SEER 9.3 · 93 kWh/yr
    €26/year
48. 98A+++
    Panasonic CS-XZ25XKEW-H / CU-Z25XKE

    2.5 kW · SEER 9.4 · 93 kWh/yr
    €26/year
49. 99A+++
    LG F09MT

    2.5 kW · SEER 9.4 · 93 kWh/yr
    €26/year
50. 100A++
    Hitachi RAC-DJ18PHAE / RAK-DJ18PHAE

    2 kW · SEER 7.5 · 93 kWh/yr
    €26/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