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. 451A++
   Fuji Electric ROG09KMCBN/RSG09KMCB

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
2. 452A++
   Daikin FVXM25A2V1B / RXTP25R2V1B

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
3. 453A++
   Daikin FTXF25D5V1B / RXF25D5V1B

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
4. 454A++
   Daikin FTXF25D5V1B / RXF25E5V1B

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
5. 455A++
   Altech ALTe300 2,5kW

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
6. 456A++
   Baxi Spa 7680766 - U.E. MONO 9000 LSGT25-S R32

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
7. 457A++
   Aermec SPG250W SPG250

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
8. 458A++
   Zephir ZVC9000

   2.5 kW · SEER 6.1 · 135 kWh/yr
   €38/year
9. 459A
   Fujitsu AOYG09LMCBN/ASYG09LMCB

   2.5 kW · SEER 6.5 · 135 kWh/yr
   €38/year
10. 460A
    General AOHG09LMCBN/ASHG09LMCB

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
11. 461A++
    Cooper&Hunter CH-S09FTXQ2-NG

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
12. 462A++
    General AOHG09KMCDN/ASHG09KMCDN

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
13. 463A++
    General AOHG09KMCBN/ASHG09KMCB

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
14. 464A++
    AlpicAir AWI-26HRDC1E AWO-26HRDC1E

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
15. 465A++
    Midea PortaSplit Cool

    2.3 kW · SEER 6.1 · 135 kWh/yr
    €38/year
16. 466A++
    Tosot Pular-GWH09AGA

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
17. 467A++
    Storm ST18572 STORM MITE BASIC EVO MONO KW 2,5 R32 INVERTER

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
18. 468A++
    Digiquest Solutions Srl DIGIQUEST 9000BTU CLIMAINT25

    2.5 kW · SEER 6.1 · 135 kWh/yr
    €38/year
19. 469A++
    Panasonic CS-BZ25CKE / CU-BZ25CKE

    2.5 kW · SEER 6.5 · 135 kWh/yr
    €38/year
20. 470A++
    GREE GWH09QA-K6DNC2Z

    2.5 kW · SEER 6.4 · 136 kWh/yr
    €39/year
21. 471A++
    LG UU09W UL0/CT09 NR2

    2.5 kW · SEER 6.4 · 136 kWh/yr
    €39/year
22. 472A++
    Mitsubishi Heavy Industries SRC25ZMX-S_SRR25ZM-S

    2.5 kW · SEER 6.5 · 136 kWh/yr
    €39/year
23. 473A++
    Toshiba Carrier Corporation RAV-GM302ATP-E+RAV-HM301SDTY-E

    2.5 kW · SEER 6.4 · 136 kWh/yr
    €39/year
24. 474A++
    Panasonic CS-RZ25WKEW / CU-RZ25WKE

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
25. 475A+
    Hitachi RAC-25FXB / RAF-25RXB

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
26. 476A++
    Daikin ATXF25D5V1B / ARXF25D5V1B

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
27. 477A++
    Daikin ATXF25E5V1B / ARXF25D5V1B

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
28. 478A++
    Daikin ATXF25F5V1B / ARXF25F5V1B

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
29. 479A++
    Panasonic CS-RZ25VKEW / CU-RZ25VKE

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
30. 480A++
    Qlima SC 4225

    2.5 kW · SEER 6.5 · 137 kWh/yr
    €39/year
31. 481A++
    Panasonic CS-UZ25CKE / CU-UZ25CKE

    2.5 kW · SEER 6.4 · 137 kWh/yr
    €39/year
32. 482A++
    Beko BEVPA 090

    2.4 kW · SEER 6.1 · 138 kWh/yr
    €39/year
33. 483A++
    WIDE WDS09IUL5ECO-R32

    2.5 kW · SEER 6.1 · 138 kWh/yr
    €39/year
34. 484A++
    Saivod AFH0926W (AFH0926W-IN/AFH0926W-OUT)

    2.4 kW · SEER 6.1 · 138 kWh/yr
    €39/year
35. 485A++
    Toshiba Carrier Corporation RAV-GM301ATP-E+RAV-HM301KRTP-E

    2.5 kW · SEER 6.4 · 138 kWh/yr
    €39/year
36. 486A++
    Daikin FFA25A2VEB9 / RXM25A5V1B9

    2.5 kW · SEER 6.3 · 138 kWh/yr
    €39/year
37. 487A++
    Thermor 872170

    2.4 kW · SEER 6.1 · 138 kWh/yr
    €39/year
38. 488A++
    Airton 409934

    2.5 kW · SEER 6.3 · 138 kWh/yr
    €39/year
39. 489A++
    Tonair 409948

    2.5 kW · SEER 6.3 · 138 kWh/yr
    €39/year
40. 490A++
    Proklima PM09QC2-IN / PM09QC2-OUT

    2.4 kW · SEER 6.1 · 138 kWh/yr
    €39/year
41. 491A++
    Candy CY-09RBW-IN / CY-09RBW-OUT

    2.4 kW · SEER 6.1 · 138 kWh/yr
    €39/year
42. 492A++
    Panasonic CS-BZ25ZKE / CU-BZ25ZKE

    2.5 kW · SEER 6.3 · 139 kWh/yr
    €39/year
43. 493A++
    LG UU09W UL0/CB09L N22

    2.5 kW · SEER 6.3 · 139 kWh/yr
    €39/year
44. 494A++
    LG UU09WR UL0/CL09R N20

    2.5 kW · SEER 6.2 · 139 kWh/yr
    €39/year
45. 495A++
    Mitsubishi Electric SLZ-M25FA / SUZ-M25VA

    2.5 kW · SEER 6.3 · 139 kWh/yr
    €39/year
46. 496A++
    Sensei SAC-09SKW/I

    2.5 kW · SEER 6.1 · 139 kWh/yr
    €39/year
47. 497A++
    Panasonic CS-Z25UB4EAW / CU-Z25UBEA

    2.5 kW · SEER 6.3 · 139 kWh/yr
    €39/year
48. 498A++
    Mitsubishi Electric MSZ-HR25VFK2 / MUZ-HR25VF2

    2.5 kW · SEER 6.2 · 139 kWh/yr
    €39/year
49. 499A++
    Toshiba Carrier Corporation RAS-25PAVSG-ND+RAS-25PKVSG-ND

    2.5 kW · SEER 6.3 · 139 kWh/yr
    €39/year
50. 500A++
    Cozeware CSD-09DA

    2.5 kW · SEER 6.1 · 139 kWh/yr
    €39/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