Most energy-efficient air conditioners, 5.1–7 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €53 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 174 · A+ 263 · A++ 3,540 · A+++ 451 · B 25 · C 1 · D 1

1. 301A+++
   Hitachi RAM-53NP3E / RAK-18RPE + RAK-50RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
2. 302A+++
   Hitachi RAM-53NP3E / RAK-18QXE + RAK-25RXE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
3. 303A+++
   Hitachi RAM-53NP3E / RAK-25RPE + RAK-25RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
4. 304A+++
   Hitachi RAM-53NP3E / RAK-25RPE + RAK-42RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
5. 305A+++
   Hitachi RAM-53NP3E / RAK-35RPE + RAK-50RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
6. 306A+++
   Hitachi RAM-53NP3E / RAK-35RXE + RAK-50RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
7. 307A+++
   Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-35RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
8. 308A+++
   Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-25RXE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
9. 309A+++
   Hitachi RAM-53NP3E / RAK-15QPE + RAK-18QXE + RAK-42RPE

   5.3 kW · SEER 8.5 · 219 kWh/yr
   €62/year
10. 310A+++
    Hitachi RAM-53NP3E / RAK-18RPE + RAK-18RPE + RAK-50RPE

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
11. 311A+++
    Hitachi RAM-53NP3E / RAK-18RPE + RAK-18QXE + RAK-42RPE

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
12. 312A+++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-25RPE

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
13. 313A+++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-25RXE + RAK-25RXE

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
14. 314A+++
    Bosch 7733704925

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
15. 315A++
    Buderus 7733704967

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
16. 316A++
    Bosch 7733704923

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
17. 317A++
    Bosch 7733704922

    5.3 kW · SEER 8.4 · 219 kWh/yr
    €62/year
18. 318A++
    Buderus 7733704966

    5.3 kW · SEER 8.4 · 219 kWh/yr
    €62/year
19. 319A+++
    Buderus 7733704969

    5.3 kW · SEER 8.5 · 219 kWh/yr
    €62/year
20. 320A+++
    Fujitsu AOYG18KBTA3/ASYG07KMCC/ASYG07KMCC/ASYG07KMCC

    5.4 kW · SEER 8.6 · 220 kWh/yr
    €62/year
21. 321A+++
    Kaisai KRP-18MEGI/KRP-18MEGO

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
22. 322A+++
    Inventor LDVI-18WFI/LDVO-18

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
23. 323A+++
    Fuji Electric ROG18KBTA3/RSG07KMCC/RSG07KMCC/RSG07KMCC

    5.4 kW · SEER 8.6 · 220 kWh/yr
    €62/year
24. 324A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-25RPE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
25. 325A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-42RPE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
26. 326A++
    Hitachi RAM-53NP3E / RAK-25RPE + RAK-50RPE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
27. 327A++
    Hitachi RAM-53NP3E / RAK-25RXE + RAK-50RPE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
28. 328A++
    Hitachi RAM-53NP3E / RAK-42RPE + RAK-42RPE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
29. 329A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-50RXE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
30. 330A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-18QXE

    5.3 kW · SEER 8.4 · 220 kWh/yr
    €62/year
31. 331A+++
    Midea AEP2-18NXD6-I / AEP2-18NXD6-O

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
32. 332A+++
    Mundoclima MUPR-18-H14X

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
33. 333A+++
    Arielli ASW-18CPH

    5.4 kW · SEER 8.6 · 220 kWh/yr
    €62/year
34. 334A+++
    MBO-H18A4/MAR3DIBT-EU WIFI

    5.4 kW · SEER 8.6 · 220 kWh/yr
    €62/year
35. 335A+++
    Bosch 7733701845

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
36. 336A+++
    Rotenso RO50Xi R14/RO50Xo R14

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
37. 337A+++
    General AOHG18KBTA3/ASHG07KMCC/ASHG07KMCC/ASHG07KMCC

    5.4 kW · SEER 8.6 · 220 kWh/yr
    €62/year
38. 338A+++
    Hyundai HRP-M18EEPI + HRP-M18EEPO

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
39. 339A+++
    Midea MSEPCU-18HRFN8 / MOX430-18HFN8

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
40. 340A+++
    Polar SIEH0050SDZ / SO1H0050SDZ

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
41. 341A+++
    Morris WFIN-50184 / WFOD-50185

    5.1 kW · SEER 8.5 · 220 kWh/yr
    €62/year
42. 342A+++
    Arielli ASW-18CPC

    5.4 kW · SEER 8.6 · 220 kWh/yr
    €62/year
43. 343A+++
    Fisher FSAIF-CP-181AE3 / FSOAIF-CP-181AE3

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
44. 344A+++
    F&U FVIN-18180 / FVOT-18181

    5.1 kW · SEER 8.5 · 220 kWh/yr
    €62/year
45. 345A+++
    Mijaki MJI-9918S - MJO-9919S

    5.1 kW · SEER 8.5 · 220 kWh/yr
    €62/year
46. 346A+++
    Buderus 7733702489

    5.3 kW · SEER 8.5 · 220 kWh/yr
    €62/year
47. 347A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE

    5.3 kW · SEER 8.4 · 221 kWh/yr
    €63/year
48. 348A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-50RPE

    5.3 kW · SEER 8.4 · 221 kWh/yr
    €63/year
49. 349A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-25RPE + RAK-42RPE

    5.3 kW · SEER 8.4 · 221 kWh/yr
    €63/year
50. 350A++
    Hitachi RAM-53NP3E / RAK-15QPE + RAK-18QXE + RAK-50RPE

    5.3 kW · SEER 8.4 · 221 kWh/yr
    €63/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