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. 451A++
   Hitachi RAM-53NYP3E / RAK-18QXE + RAK-50RPE1

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
2. 452A++
   Hitachi RAM-53NYP3E / RAK-25RPE + RAK-35RXE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
3. 453A++
   Hitachi RAM-53NYP3E / RAK-25RPE + RAK-42RPE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
4. 454A++
   Hitachi RAM-53NYP3E / RAK-25RPE + RAK-50RPE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
5. 455A++
   Hitachi RAM-53NYP3E / RAK-25RPE + RAK-50RXE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
6. 456A++
   Hitachi RAM-53NYP3E / RAK-25RPE + RAK-50RPE1

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
7. 457A++
   Hitachi RAM-53NYP3E / RAK-25RXE + RAK-25RXE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
8. 458A++
   Hitachi RAM-53NYP3E / RAK-25RXE + RAK-35RPE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
9. 459A++
   Hitachi RAM-53NYP3E / RAK-25RXE + RAK-35RXE

   5.3 kW · SEER 7.6 · 244 kWh/yr
   €69/year
10. 460A++
    Hitachi RAM-53NYP3E / RAK-35RPE + RAK-50RXE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
11. 461A++
    Hitachi RAM-53NYP3E / RAK-35RPE + RAK-50RPE1

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
12. 462A++
    Hitachi RAM-53NYP3E / RAK-35RXE + RAK-35RXE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
13. 463A++
    Hitachi RAM-53NYP3E / RAK-35RXE + RAK-42RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
14. 464A++
    Hitachi RAM-53NYP3E / RAK-35RXE + RAK-50RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
15. 465A++
    Hitachi RAM-53NYP3E / RAK-35RXE + RAK-50RXE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
16. 466A++
    Hitachi RAM-53NYP3E / RAK-35RXE + RAK-50RPE1

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
17. 467A++
    Hitachi RAM-53NYP3E / RAK-42RPE + RAK-42RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
18. 468A++
    Hitachi RAM-53NYP3E / RAK-25RXE + RAK-42RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
19. 469A++
    Hitachi RAM-53NYP3E / RAK-25RXE + RAK-50RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
20. 470A++
    Hitachi RAM-53NYP3E / RAK-25RXE + RAK-50RXE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
21. 471A++
    Hitachi RAM-53NYP3E / RAK-25RXE + RAK-50RPE1

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
22. 472A++
    Hitachi RAM-53NYP3E / RAK-35RPE + RAK-35RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
23. 473A++
    Hitachi RAM-53NYP3E / RAK-35RPE + RAK-35RXE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
24. 474A++
    Hitachi RAM-53NYP3E / RAK-35RPE + RAK-42RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
25. 475A++
    Hitachi RAM-53NYP3E / RAK-35RPE + RAK-50RPE

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
26. 476A++
    Olimpia Splendid OS-CAAMH18EI / OS-SECYH09EI + OS-SAALH12EI

    5.3 kW · SEER 7.4 · 244 kWh/yr
    €69/year
27. 477A++
    Saunier Duval SDH20-050NW

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
28. 478A++
    Vaillant VAI5-050WN

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
29. 479A++
    Mitsubishi Electric MXZ-2F53VF4-E1 / MSZ-AY35VG2-E1 + MSZ-AY35VG2-E1

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
30. 480A++
    Inventor N2VI32-18WiFi/N2VO32-18

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
31. 481A++
    Sinclair SOH-18BIT2

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
32. 482A++
    Sinclair ASH-18BIS/B

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
33. 483A+++
    Cooper&Hunter CH-S18FTXAL2-WP/FB/GD/SC

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
34. 484A++
    GREE GWH18YD-K6DNA1A

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
35. 485A++
    Eca Technology FIV1824HE32

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
36. 486A++
    Multiwarm MKEGM 532 ZAL - MCNGS 532 ZA

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
37. 487A++
    Viessmann Vitoclima 232-S WS2053MLD0

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
38. 488A+++
    Viessmann Vitoclima 232-S 5,3 kW W2053OLD2

    5.3 kW · SEER 7.6 · 244 kWh/yr
    €69/year
39. 489A++
    Heiwa HXES2-3X50-V1 / HMIS3-20-V1 + HMIS3-20-V1 + HMIS3-20-V1

    5.3 kW · SEER 7.4 · 244 kWh/yr
    €69/year
40. 490A++
    Midea MB-18N8D0-I/MB-18N8D0-OH

    5.3 kW · SEER 7.6 · 245 kWh/yr
    €69/year
41. 491A++
    Hitachi RAM-53NYP3E / RAK-18QXE + RAK-42RPE

    5.3 kW · SEER 7.5 · 245 kWh/yr
    €69/year
42. 492A++
    Hitachi RAM-53NYP3E / RAK-18QXE + RAK-50RPE

    5.3 kW · SEER 7.5 · 245 kWh/yr
    €69/year
43. 493A++
    Emmeti X-REVO-1825TE X-REVO-09-09-09XXX

    5.5 kW · SEER 7.9 · 245 kWh/yr
    €69/year
44. 494A++
    Emmeti X-REVO-1825TE X-REVO-09-18XXX

    5.5 kW · SEER 7.9 · 245 kWh/yr
    €69/year
45. 495A++
    Mitsubishi Electric MXZ-2F53VF5 / MSZ-AY35VGK2 + MSZ-AY35VGK2

    5.3 kW · SEER 7.6 · 245 kWh/yr
    €69/year
46. 496A++
    Hitachi RAM-53NYP3E / RAK-15QPE + RAK-25RXE

    5.3 kW · SEER 7.5 · 246 kWh/yr
    €70/year
47. 497A++
    Hitachi RAM-53NYP3E / RAK-18RPE + RAK-25RXE

    5.3 kW · SEER 7.5 · 246 kWh/yr
    €70/year
48. 498A++
    Hitachi RAM-53NYP3E / RAK-18QXE + RAK-35RPE

    5.3 kW · SEER 7.5 · 246 kWh/yr
    €70/year
49. 499A++
    Hitachi RAM-53NYP3E / RAK-25RPE + RAK-35RPE

    5.3 kW · SEER 7.5 · 246 kWh/yr
    €70/year
50. 500A+++
    AUX-24CCW

    6.1 kW · SEER 8.7 · 246 kWh/yr
    €70/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