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. 1901A++
   Fuji Electric ROG18KATA/RCG18KVLA

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
2. 1902A++
   Fuji Electric ROG18LBCB/RYG18LVTB

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
3. 1903A++
   Fuji Electric ROG18LALL/RYG18LVTB

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
4. 1904A++
   Sensei SAC2M-U18SKWA/I

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
5. 1905A
   Saivod ASG1815I

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
6. 1906A++
   Vaillant VAM5-046W2O5

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
7. 1907A++
   Saunier Duval SDH19-046W2O5

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
8. 1908A++
   Saunier Duval SDH20-061W2O5

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
9. 1909A++
   Saunier Duval SDH20-046W2O5

   5.2 kW · SEER 6.1 · 298 kWh/yr
   €84/year
10. 1910A++
    Vaillant VAM8-046W2O5

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
11. 1911A++
    Vaillant VAM8-061W2O5

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
12. 1912A++
    Saunier Duval SDH19-061W2O5

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
13. 1913A++
    Vaillant VAM5-061W2O5

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
14. 1914A++
    Panasonic CS-MZ16TKE + CS-MZ16TKE + CS-MZ16TKE + CS-Z20TKEW / CU-4Z68TBE

    6.8 kW · SEER 8 · 298 kWh/yr
    €84/year
15. 1915A++
    Panasonic CS-MZ16TKE + CS-Z20TKEW + CS-Z35TKEW / CU-3Z68TBE

    6.8 kW · SEER 8 · 298 kWh/yr
    €84/year
16. 1916A++
    Fisher FS2MIF-183BE3

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
17. 1917A+
    Fisher FS2MIF-181AE2

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
18. 1918A++
    Inventor U4MRSL(2)-18/LV4MCI-09UR

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
19. 1919A++
    Inventor U4MRSL(2)-18/LV4MDI-09

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
20. 1920A++
    Sinclair ASH-18AIA1 PT

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
21. 1921A++
    Sinclair MV-E18BI

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
22. 1922A++
    DIGIQUEST DUAL V5 CLIMAEST65 18000BTU

    5.3 kW · SEER 6.2 · 298 kWh/yr
    €84/year
23. 1923A++
    Ferroli ASTER M 18-2

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
24. 1924A++
    Lamborghini Caloreclima Multi Home DN 18-2

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
25. 1925A
    General AOHG18LALL/ABHG18LVTB

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
26. 1926A
    General AOHG18LBCB/ABHG18LVTB

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
27. 1927A
    Fujitsu AOYG18LALL/ABYG18LVTB (2019 registration)

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
28. 1928A
    Fujitsu AOYG18LBCB/ABYG18LVTB (2019 registration)

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
29. 1929A++
    General AOHG18KATA/AUXG18KVLA

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
30. 1930A++
    Tosot MTS2R-18HDI

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
31. 1931A++
    Viessmann Vitoclima 300-S/HE O2F3050M2

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
32. 1932A++
    Bosch 7733702431

    6.1 kW · SEER 7.2 · 298 kWh/yr
    €84/year
33. 1933A++
    Mijaki MMSI-26202 - MMOU-53214

    5.3 kW · SEER 6.2 · 298 kWh/yr
    €84/year
34. 1934A++
    Airton 409733

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
35. 1935A++
    ARGO X3MI ECO 52SH

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
36. 1936A++
    Storm ST16737 STORM MITE DUAL KW 5,2 R32

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
37. 1937A++
    Tonair 409874

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
38. 1938A++
    Airstorm 409706+409707+409708

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
39. 1939A++
    Buderus 7733703268

    6.1 kW · SEER 7.2 · 298 kWh/yr
    €84/year
40. 1940A++
    Innova IGZM218NO-1

    5.2 kW · SEER 6.1 · 298 kWh/yr
    €84/year
41. 1941A++
    comfee 2FB-18K + CF-CFW12A IU + CF-CFW12A IU

    5.3 kW · SEER 6.2 · 298 kWh/yr
    €84/year
42. 1942A++
    Bosch 7733705010

    5.2 kW · SEER 6.2 · 298 kWh/yr
    €84/year
43. 1943A++
    Ariston DUAL 50 ALYS NET_UA1-I 12+12

    5.3 kW · SEER 6.2 · 298 kWh/yr
    €84/year
44. 1944A++
    Ariston DUAL 50 DUC R32_U-I N 12+12

    5.3 kW · SEER 6.2 · 298 kWh/yr
    €84/year
45. 1945A++
    ELCO DUAL 50 RIGEON ECO_IDU 12+12

    5.3 kW · SEER 6.2 · 298 kWh/yr
    €84/year
46. 1946A++
    Becken BAC8700

    5.3 kW · SEER 6.2 · 299 kWh/yr
    €85/year
47. 1947A++
    Hitachi RAM-68NP3E / RAK-35RPE + RAK-50RXE

    6.8 kW · SEER 8 · 299 kWh/yr
    €85/year
48. 1948A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-18QXE + RAK-18QXE

    6.8 kW · SEER 8 · 299 kWh/yr
    €85/year
49. 1949A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-25RPE + RAK-50RPE

    6.8 kW · SEER 8 · 299 kWh/yr
    €85/year
50. 1950A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-18QXE + RAK-42RPE

    6.8 kW · SEER 8 · 299 kWh/yr
    €85/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