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+ 266 · A++ 3,544 · A+++ 451 · B 25 · C 1 · D 1

1. 1751A++
   Midea M3OA-18HFN8-Q(B)

   5.3 kW · SEER 6.9 · 294 kWh/yr
   €83/year
2. 1752A++
   Inventor V4MCRI-18 / U4MRS-18

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
3. 1753A
   Fujitsu AOYG18LBCB/ARYG18LLTB (2019 registration)

   5.2 kW · SEER 6.2 · 294 kWh/yr
   €83/year
4. 1754A
   General AOHG18LBCB/ARHG18LLTB

   5.2 kW · SEER 6.2 · 294 kWh/yr
   €83/year
5. 1755A++
   Artica ACC18DWG1

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
6. 1756A++
   Eca Technology DSV1822HE32

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
7. 1757A++
   Rotenso T50Xi R14/UO50Xo R14

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
8. 1758A++
   GREE GUD50PS1/A-S + GUD50W1/NhA-S (2024 registration)

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
9. 1759A++
   Qlima SM 39 DUO

   5.2 kW · SEER 6.2 · 294 kWh/yr
   €83/year
10. 1760A++
    Tectro TSM 9 DUO

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
11. 1761A++
    Qlima SC 4148

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
12. 1762A++
    Olimpia Splendid OS-CEMEH18EI / OS-SEDDH09EI + OS-SEDDH09EI

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
13. 1763A++
    Rotenso VCS50Xi R15/VO50Xo R15

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
14. 1764A++
    Kältebringer KBM52-18000BTU2

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
15. 1765A++
    ELL Front Boost 18

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
16. 1766A++
    Vivax ACP-18CH50AEHI+ R32

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
17. 1767A++
    Rotenso T26Xi R15*2/H50Xm2 R15

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
18. 1768A++
    Rotenso U21Xi R16*3/H50Xm3 R15

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
19. 1769A++
    Rotenso N26Xi R15*3/H50Xm3 R15

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
20. 1770A++
    Rotenso I21Xi R14*2/H50Xm2 R15

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
21. 1771A++
    Cecotec P80349

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
22. 1772A++
    Lennox LXA-IDHM18NI(G) / LXA-RHMI18NO(G)

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
23. 1773A++
    Saunier Duval SDHSB1-050NDO + SDHSB1-050NDIi

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
24. 1774A++
    Vaillant VAIB1-050DNO + VAIB1-050DNIi

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
25. 1775A++
    Polar MO2H0050SDOA

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
26. 1776A++
    Viessmann Vitoclima 242-S D2050M2

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
27. 1777A++
    Bosch 7733702426

    6.1 kW · SEER 7.2 · 294 kWh/yr
    €83/year
28. 1778A++
    Bosch 7733701909

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
29. 1779A++
    ARGO DUAL 18 DCI R32

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
30. 1780A++
    Ananda GmbH FMA-09CHSD/XA41I

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
31. 1781A++
    Buderus 7733703264

    6.1 kW · SEER 7.2 · 294 kWh/yr
    €83/year
32. 1782A++
    Hyundai HAACF1800OC

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
33. 1783A++
    KORI IN 18, KORI OUT MONO 18

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
34. 1784A++
    VINO VORIA IN 18 SCB001N1550 - GARBIN OUT MONO 12 SCB001W1551

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
35. 1785A++
    Bosch 7733705478

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
36. 1786A++
    Ariston TRIAL 50 DUC R32_U-I N 9+9+9

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
37. 1787A++
    LG MU3M21 UE4/DM07RP NSJ

    6.2 kW · SEER 7.3 · 295 kWh/yr
    €84/year
38. 1788A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-15QPE + RAK-18QXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
39. 1789A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-15QPE + RAK-42RPE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
40. 1790A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-18QXE + RAK-35RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
41. 1791A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-25RPE + RAK-25RPE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
42. 1792A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-25RPE + RAK-25RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
43. 1793A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-18QXE + RAK-50RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
44. 1794A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-18RPE + RAK-25RPE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
45. 1795A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-18RPE + RAK-25RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
46. 1796A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-18QXE + RAK-50RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
47. 1797A++
    Hitachi RAM-68NP3E / RAK-18QXE + RAK-42RPE + RAK-50RPE1

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
48. 1798A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-25RPE + RAK-35RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
49. 1799A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-25RPE + RAK-50RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/year
50. 1800A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-25RXE + RAK-35RXE

    6.8 kW · SEER 8.1 · 295 kWh/yr
    €84/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