Most energy-efficient air conditioners, 3.6–5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €39 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 83 · A+ 159 · A++ 1,158 · A+++ 201 · B 12 · C 1 · D 1

1. 751A++
   Panasonic CS-NZ50VKE / CU-NZ50VKE

   5 kW · SEER 7.5 · 233 kWh/yr
   €66/year
2. 752A++
   Samsung AC052BNAPKG/AC052BXAPKG

   5 kW · SEER 7.5 · 233 kWh/yr
   €66/year
3. 753A++
   ARGO CHARM DUBBEL 14000 UE

   4.1 kW · SEER 6.1 · 233 kWh/yr
   €66/year
4. 754A++
   Hitachi RAC-50WXE / RAK-50RXE

   5 kW · SEER 7.5 · 233 kWh/yr
   €66/year
5. 755A++
   Hitachi RAC-50WSE / RAK-50PSEW

   5 kW · SEER 7.5 · 233 kWh/yr
   €66/year
6. 756A++
   Mitsubishi Electric MSZ-EF50VGW / MUZ-EF50VG

   5 kW · SEER 7.5 · 233 kWh/yr
   €66/year
7. 757A+
   Mitsubishi Heavy Industries SRC40ZSX-S_FDUM40VH

   4 kW · SEER 6.1 · 233 kWh/yr
   €66/year
8. 758A++
   Panasonic CS-NZ50TKE / CU-NZ50TKE

   5 kW · SEER 7.5 · 233 kWh/yr
   €66/year
9. 759A++
   Panasonic CS-TZ42TKEW-1 / CU-TZ42TKE-1

   4.2 kW · SEER 6.3 · 233 kWh/yr
   €66/year
10. 760A++
    AUX-M2-14LCLH

    4.1 kW · SEER 6.1 · 233 kWh/yr
    €66/year
11. 761A++
    Mitsubishi Electric MSZ-EF50VGK2W / MUZ-EF50VG2

    5 kW · SEER 7.5 · 233 kWh/yr
    €66/year
12. 762A++
    Mitsubishi Heavy Industries SRC50ZSX-W2_SRF50ZSX-W

    5 kW · SEER 7.5 · 234 kWh/yr
    €66/year
13. 763A+
    Aldes T.One® 04H

    4 kW · SEER 6 · 234 kWh/yr
    €66/year
14. 764A++
    Mitsubishi Electric PLA-M50EA / PUZ-ZM50VKA

    5 kW · SEER 7.4 · 234 kWh/yr
    €66/year
15. 765A++
    Mitsubishi Electric PLA-M50EA2 / PUZ-ZM50VKA2

    5 kW · SEER 7.4 · 234 kWh/yr
    €66/year
16. 766A++
    Mitsubishi Electric PLA-M50EA3 / PUZ-ZM50VKA3

    5 kW · SEER 7.4 · 234 kWh/yr
    €66/year
17. 767A++
    Mitsubishi Heavy Industries SRC50ZT-W_SRK50ZT-WF

    5 kW · SEER 7.5 · 234 kWh/yr
    €66/year
18. 768A++
    Toyotomi MFMR32-14INV-2/TRN-822ZRx2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
19. 769A++
    Fujitsu AOYG14LALL/AUYG14LVLB (2021 registration)

    4.3 kW · SEER 6.4 · 235 kWh/yr
    €67/year
20. 770A++
    GREE GWHD(14)NK6LO+GWH07AFB-K6DNA2B/I×2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
21. 771A++
    Azuri AZI-OR40VC/O / AZI-WE25VE/I / AZI-WE35VE/I

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
22. 772A++
    Fuji Electric ROG14LALL/RCG14LVLB

    4.3 kW · SEER 6.4 · 235 kWh/yr
    €67/year
23. 773A++
    MAXA BDL26R1*2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
24. 774A+
    Saivod ASGM912I

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
25. 775A++
    Saunier Duval SDH20-040W2O4

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
26. 776A++
    Vaillant VAM8-040W2O4

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
27. 777A++
    Fisher FS2MIF-143BE3

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
28. 778A+
    Fisher 2 x FSKMIF-71AE2-EU - FS2MIF-141AE2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
29. 779A++
    Sinclair MV-E14BI

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
30. 780A++
    Sinclair MS-E14AIN

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
31. 781A++
    Qlima SM 23 2 41-S 2320-S 2326

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
32. 782A++
    Orima ORTT 14 EXT 2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
33. 783A
    Fujitsu AOYG14LALL/AUYG14LVLB (2019 registration)

    4.3 kW · SEER 6.4 · 235 kWh/yr
    €67/year
34. 784A
    General AOHG14LALL/AUHG14LVLB

    4.3 kW · SEER 6.4 · 235 kWh/yr
    €67/year
35. 785A++
    AMG NMTXD12HP24X

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
36. 786A++
    KAWA KTXD12HP24X

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
37. 787A++
    Corbero CMT912AUSTRAL

    4.1 kW · SEER 8.5 · 235 kWh/yr
    €67/year
38. 788A++
    Konsi KN-TAC-14I2/DV/O+KN-TAC-07CHSD/IFI/I+KN-TAC-07CHSD/IFI/I

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
39. 789A++
    Rotenso N21Xi R15*2/H40Xm2 R15

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
40. 790A++
    Rotenso U26Xi R15*2/H40Xm2 R15

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
41. 791A++
    Rotenso E26Xi R17*2/HN40Xm2 R15

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
42. 792A++
    Klimatsu KEM2AR-42-H1

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
43. 793A++
    Multiwarm MKEGM 200 Z x 2 + MCKGM 400 Z2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
44. 794A++
    Konsi KN-TAC-14I2-2A/DV/O+KN-TAC-07CHSD/IFI/Ix2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
45. 795A++
    Ocelair OAMT14-912

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
46. 796A++
    Brokton BRMT14912

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
47. 797A++
    Daitsu DSM-912KDT-Z UE14

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
48. 798A++
    Daitsu DSM-9U2KDT-Z UE14

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
49. 799A++
    Suneco UEME14H6

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
50. 800A++
    Nørdis FMA-14I2HD/DVO

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/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