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. 901A++
   Costway FP11185DE/ASW-H18E0C4/FAR3DI-C0

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
2. 902A++
   VOX Electronics IFG18-AACTW

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
3. 903A++
   Olimpia Splendid OS-CANMH18EI + OS-SENEH12EI + OS-SENEH12EI

   5.3 kW · SEER 6.9 · 266 kWh/yr
   €75/year
4. 904A++
   Nuvelle Cirrus NC18I/NC18O Wifi

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
5. 905A++
   Inventor FUTI-18WFI/FUTO-18

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
6. 906A++
   Gymax KU66630IJ-BM+FR

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
7. 907A++
   Lifezeal NX99963LM-EP+DE

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
8. 908A++
   Relax4Life JT55529HI-AL+ES

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
9. 909A++
   Aufit FA18K

   5.1 kW · SEER 6.7 · 266 kWh/yr
   €75/year
10. 910A++
    Skyluxe SKY-S052ECO2ER32

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
11. 911A++
    OEM S052OEM5E

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
12. 912A++
    Eluxe ELS052AMB3WF

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
13. 913A++
    Kawair KW18WF2-R32

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
14. 914A++
    HTWS052IX69B

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
15. 915A++
    Garvee FAC-18K

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
16. 916A++
    Houme Elèa Flow 50

    5.1 kW · SEER 6.7 · 266 kWh/yr
    €75/year
17. 917A++
    Toyotomi SRN23-18R32/SRG23-18R32

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
18. 918A++
    Pyramidea AC118UI / AC118UE

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
19. 919A++
    Johnson Controls JHKF18YEEGXFO-Y / JHKF18XEEGXF-RY

    5.1 kW · SEER 6.6 · 267 kWh/yr
    €76/year
20. 920A++
    Hitachi RAM-53NYP3E / RAK-50RXE

    5.3 kW · SEER 6.9 · 267 kWh/yr
    €76/year
21. 921A++
    York YHKF18YEEGXFO-Y / YHKF18XEEGXF-RY

    5.1 kW · SEER 6.6 · 267 kWh/yr
    €76/year
22. 922A++
    MBO-H18A4/MAR3DI-EU

    5.2 kW · SEER 6.8 · 267 kWh/yr
    €76/year
23. 923A++
    ARGO GREENSTYLE TOP 18000

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
24. 924A++
    Irradio - Belair Alastor 18

    5.2 kW · SEER 7.1 · 267 kWh/yr
    €76/year
25. 925A++
    Arielli ABO-H18A4/AAR3DI-EU WIFI

    5.2 kW · SEER 6.8 · 267 kWh/yr
    €76/year
26. 926A++
    Arielli ABO-H18A4/AAR3DI-EU

    5.2 kW · SEER 6.8 · 267 kWh/yr
    €76/year
27. 927A++
    AUX-18F3H

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
28. 928A++
    AlpicAir AWI-54HRDC1XC AWO-54HRDC1XC

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
29. 929A++
    Klarstein 10046102

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
30. 930A+++
    Yuoki WIN50ET

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
31. 931A++
    Condor CS18-TN33I

    5.1 kW · SEER 6.7 · 267 kWh/yr
    €76/year
32. 932A++
    Electrolux EPN18C38HWO 950011450

    5.2 kW · SEER 6.8 · 268 kWh/yr
    €76/year
33. 933A+++
    Toyotomi CTN-371W/CTG-371W

    6.5 kW · SEER 8.5 · 268 kWh/yr
    €76/year
34. 934A++
    Beretta 20160477

    5.2 kW · SEER 6.8 · 268 kWh/yr
    €76/year
35. 935A+++
    Viessmann Vitoclima 230-S Dynamic 6,5 kW

    6.5 kW · SEER 8.5 · 268 kWh/yr
    €76/year
36. 936A+++
    GREE GWH24AUDXF-K6DNA2B

    6.5 kW · SEER 8.5 · 268 kWh/yr
    €76/year
37. 937A++
    Mundoclima MUEW-18-H14.2

    5.3 kW · SEER 6.9 · 268 kWh/yr
    €76/year
38. 938A+++
    Ekokai DPA71NFX

    6.5 kW · SEER 8.5 · 268 kWh/yr
    €76/year
39. 939A++
    GREE GTH18CAXD-S6DNA1B

    5.2 kW · SEER 6.8 · 268 kWh/yr
    €76/year
40. 940A++
    Olimpia Splendid OS-CANMH18EI + OS-SENEH09EI + OS-SENEH12EI

    5.3 kW · SEER 6.8 · 268 kWh/yr
    €76/year
41. 941A+++
    Heiwa HMEH-70-V1 / HMIH-70W-V1

    6.5 kW · SEER 8.5 · 268 kWh/yr
    €76/year
42. 942A++
    Bosch 7733704849

    5.2 kW · SEER 6.9 · 268 kWh/yr
    €76/year
43. 943A++
    Bosch 7733704859

    5.2 kW · SEER 6.8 · 268 kWh/yr
    €76/year
44. 944A++
    Panasonic S-6071PU3E / U-60PZ3E5

    6 kW · SEER 7.8 · 269 kWh/yr
    €76/year
45. 945A++
    Inventor U6RSL(2)-18/LV6LI-09WiFiR

    5.3 kW · SEER 6.9 · 269 kWh/yr
    €76/year
46. 946A++
    Ariston (2x) CON R32 025 U-I x DUAL C 50 XD0C-O

    5.3 kW · SEER 6.9 · 269 kWh/yr
    €76/year
47. 947A++
    Innovita 2X BREZZA IN 9000 cod. 80000343 / BREZZA OUT 18 MULTI2-24000 cod. 80000358

    5.2 kW · SEER 6.7 · 269 kWh/yr
    €76/year
48. 948A++
    Electrolux EACS/I-18HEJ/N8 EEC

    5.3 kW · SEER 6.9 · 269 kWh/yr
    €76/year
49. 949A++
    Rotenso A26Xi R16*2/H50Xm2 R15

    5.3 kW · SEER 6.9 · 269 kWh/yr
    €76/year
50. 950A++
    VINO GARBIN OUT DUAL 18

    5.2 kW · SEER 6.7 · 269 kWh/yr
    €76/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