Most energy-efficient air conditioners, 2.6–3.5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €27 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 80 · A+ 104 · A++ 1,992 · A+++ 783 · B 4 · C 1

1. 951A+++
   GREE GWH12AVCXD-K6DNA1F

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
2. 952A+++
   Kaeltemacher KM32-12000BTU

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
3. 953A+++
   Hyundai HRP-M12EEPI + HRP-M12EEPO

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
4. 954A+++
   Arielli ASW-12CPHS

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
5. 955A++
   Sanden Intercool Italy Srl SND-09ALSI3-ID / SND-09ALSI3-OD

   2.7 kW · SEER 6.5 · 144 kWh/yr
   €41/year
6. 956A+++
   Midea MSEPBU-12HRFN8 / MOX330-12HFN8

   3.5 kW · SEER 85 · 144 kWh/yr
   €41/year
7. 957A+++
   Daikin FTXTP35N5V1B / RXTP35A2V1B

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
8. 958A++
   SVAN3009

   2.6 kW · SEER 6.3 · 144 kWh/yr
   €41/year
9. 959A+++
   Toyotomi GTN-12CMW/GTG-12CMW

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
10. 960A+++
    AIRE12EV-KH ZAFIRO WIFI/AIRE12CV-KH ZAFIRO WIFI

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
11. 961A+++
    Multiwarm MKEGM 352 ZAL - MCNGS 352 ZA

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
12. 962A+++
    FREEO35EW PLUS/FREEO35CW PLUS R-32

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
13. 963A++
    ICELIN09EW-XA WIFI/ICELIN09CW R-32

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
14. 964A+++
    Hyundai WSHN125CGA + WSHN125XA

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
15. 965A+++
    Saunier Duval SDHP1-035SNWO + SDHP1-035SNWI

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
16. 966A+++
    Vaillant VAIP1-035WNO + VAIP1-035WNI

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
17. 967A+++
    Electroline IM12HKA3+EM122HX3

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
18. 968A++
    Electroline IU263HKA+OU263HX

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
19. 969A+++
    Ekokai DPA35NFX

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
20. 970A++
    Sekom IMS263HCGW+EM263HX

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
21. 971A+++
    Polar SIEH0035SDZ / SO1H0035SDZ

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
22. 972A++
    Polar SIEH0025SDOB / SO1H0025SDOB

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
23. 973A++
    Polar SIEH0025SDRS / SO1H0025SDR(A)

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
24. 974A+++
    AIRE12-MC ZAFIRO PREMIUM

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
25. 975A++
    Hyundai WSHN093CG+WSHN093X

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
26. 976A+++
    GREE GWH12APAXF-S6DBA1B

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
27. 977A++
    Viessmann Vitoclima 232-S WS2035MLD0

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
28. 978A+++
    Viessmann Vitoclima 232-S WS2035CLD0

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
29. 979A+++
    Bosch 7733701844

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
30. 980A+++
    Gorenje DION35IN MB + DION35OUT MB

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
31. 981A++
    Orima ORSTT 09 R32

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
32. 982A+++
    Fisher FSAIF-CP-121AE3 / FSOAIF-CP-121AE3

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
33. 983A+++
    AMG NCDX12HP24P

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
34. 984A+++
    Rotenso FH35Xi R16 / FH35Xo R16

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
35. 985A+++
    Rossato ELYSON TECH 12

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
36. 986A+++
    NABO EASY CONNECT 12100

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
37. 987A+++
    Atlantic 872939

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
38. 988A+++
    Thermor 872933

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
39. 989A+++
    Atlantic 872927

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
40. 990A++
    Bomann CL 6044 CB

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
41. 991A++
    Confortec CFL09HS

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
42. 992A+++
    Buderus 7733704031

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
43. 993A+++
    IVT 7733704098

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
44. 994A+++
    Buderus 7733702488

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
45. 995A+++
    Bosch 7733704027

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
46. 996A+++
    Nakassi N12SAC26G

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/year
47. 997A++
    Aaamaze AHCF096CGWIU+AHCF096CGEU

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
48. 998A++
    Noxa NXTP-ID25XWM-1A / NXTP-OD25B-1A

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
49. 999A++
    Immergas UI CAS 9 UE MONO 9

    2.6 kW · SEER 6.3 · 144 kWh/yr
    €41/year
50. 1000A+++
    AEG NSS35

    3.5 kW · SEER 8.5 · 144 kWh/yr
    €41/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