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. 951A++
   Haier HAS18RDAIN / H1U18RDAOUT

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
2. 952A++
   Whirlpool MSODU18/MSODU18

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
3. 953A++
   Grundig DUAL GEMPI 090/GEMPI120/GEMPO181

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
4. 954A++
   Hitachi RAS-2HVRC3 - RPC-2.0FSR(1)

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
5. 955A++
   AIRE18WE-D2/AIRE18WC-S2

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
6. 956A++
   Eficlim EFI-50WE-D2/EFI-50WC-2

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
7. 957A++
   Grundig DUAL GCMPI090(X2)/GEMPO181

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
8. 958A++
   Grundig DUAL GDMPI090(X2)/GEMPO181

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
9. 959A++
   Toshiba Carrier Corporation RAS-18E2AVG-E+RAS-18E2KVG-E

   5 kW · SEER 7 · 250 kWh/yr
   €71/year
10. 960A++
    Daikin ATXF35A5V1B / ATXF35A5V1B / 2AMXF50A2V1B

    5 kW · SEER 7 · 250 kWh/yr
    €71/year
11. 961A++
    Riello AARIA AMW 50 START NI SET

    5 kW · SEER 7 · 250 kWh/yr
    €71/year
12. 962A++
    Beretta BREVA 18000-1 EA

    5 kW · SEER 7 · 250 kWh/yr
    €71/year
13. 963A++
    Mitsubishi Heavy Industries SCM50ZS-W_SRK50ZS-WF_SRK25ZS-WF

    5 kW · SEER 7 · 250 kWh/yr
    €71/year
14. 964A++
    Hisense ADT52UX4RCL8/AUW52U4RJ8

    5 kW · SEER 7 · 250 kWh/yr
    €71/year
15. 965A++
    Nuova Stellar 5,0kW single split set

    5 kW · SEER 6.3 · 250 kWh/yr
    €71/year
16. 966A++
    LG P18SND NS21 / P18SND U181

    5 kW · SEER 7 · 250 kWh/yr
    €71/year
17. 967A++
    GREE GWH18ALD-K6DNA1A

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
18. 968A++
    GREE GWH18QD-K6DNA1Awithdrawn

    4.6 kW · SEER 64 · 251 kWh/yr
    €71/year
19. 969A++
    Azuri AZI-WE50VE/I / AZI-WE50VE/O

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
20. 970A++
    GREE GWH18QDXB-K6DNC2Z

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
21. 971A++
    GREE GWH18QDXB-K6DNC8A

    4.6 kW · SEER 64 · 251 kWh/yr
    €71/year
22. 972A++
    Toyotomi UTN-17AP/UTG-17AP

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
23. 973A++
    ARGO ECOLIGHT PLUS MONO 18000

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
24. 974A++
    Heiwa HMES2-50P-V1 / HMIS3-50-V1

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
25. 975A++
    Altech ALTe100(300) 4,6kW

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
26. 976A++
    Aermec SPG500W SPG500

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
27. 977A++
    Mitsubishi Heavy Industries LMC15Z6-W_LMK15Z6L-W

    4.5 kW · SEER 6.3 · 251 kWh/yr
    €71/year
28. 978A++
    Cooper&Hunter CH-S18FTXF2-NG

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
29. 979A++
    Sinclair SOH-18BIK

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
30. 980A++
    Sinclair SOH-18BIR

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
31. 981A++
    AlpicAir AWI-51HRDC1E AWO-51HRDC1E

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
32. 982A++
    Daikin FTXG50LV1BS / RXG50L2V1B

    4.8 kW · SEER 6.7 · 251 kWh/yr
    €71/year
33. 983A++
    Viessmann Vitoclima 200-S Comfort WS2046BLD0

    4.6 kW · SEER 6.4 · 251 kWh/yr
    €71/year
34. 984A++
    Bosch 7733703627

    5 kW · SEER 7.4 · 251 kWh/yr
    €71/year
35. 985A++
    GREE GWH18AGDXB-K6DNA2D

    4.6 kW · SEER 6.4 · 252 kWh/yr
    €71/year
36. 986A++
    GREE GWH18AGD-K6DNA1D

    4.6 kW · SEER 6.4 · 252 kWh/yr
    €71/year
37. 987A++
    GREE GWH18AGDXB-K6DNA1Z

    4.6 kW · SEER 6.4 · 252 kWh/yr
    €71/year
38. 988A++
    Daikin FCAG60AVEB / RZAG50A2V1B

    5 kW · SEER 6.9 · 252 kWh/yr
    €71/year
39. 989A++
    CHiQ CSDH-18EC

    4.8 kW · SEER 7 · 252 kWh/yr
    €71/year
40. 990A++
    Arielli ACSD-18EBA

    4.8 kW · SEER 7 · 252 kWh/yr
    €71/year
41. 991A++
    Aldes T.One® AIR 05 R32

    4.5 kW · SEER 6.2 · 253 kWh/yr
    €72/year
42. 992A++
    Aldes T.One® AquaAIR 05 R32

    4.5 kW · SEER 6.2 · 253 kWh/yr
    €72/year
43. 993A++
    Mitsubishi Electric SLZ-M50FA / SUZ-M50VA

    4.6 kW · SEER 6.3 · 253 kWh/yr
    €72/year
44. 994A++
    Mitsubishi Electric SLZ-M50FA2 / SUZ-M50VA

    4.6 kW · SEER 6.3 · 253 kWh/yr
    €72/year
45. 995A++
    Mitsubishi Electric PLA-ZM50EA2 / PUHZ-ZRP50VKA2

    5 kW · SEER 6.9 · 253 kWh/yr
    €72/year
46. 996A+
    Panasonic CS-RZ42VKEW / CU-RZ42VKE

    4.2 kW · SEER 5.8 · 253 kWh/yr
    €72/year
47. 997A++
    GREE GWH18BACXD-K6DNA1A

    4.7 kW · SEER 6.5 · 253 kWh/yr
    €72/year
48. 998A++
    Mitsubishi Electric MFZ-KW50VGK / MUFZ-KW50VGHZ2

    5 kW · SEER 6.8 · 253 kWh/yr
    €72/year
49. 999A++
    Infiniton MPTSE1209A2

    4.1 kW · SEER 6.1 · 253 kWh/yr
    €72/year
50. 1000A++
    Panasonic CS-RZ50WKEW / CU-RZ50WKE

    5 kW · SEER 6.9 · 254 kWh/yr
    €72/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