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. 2501A++
   Daitsu DS-12KLF_DOS-12KLF

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
2. 2502A++
   Klimatsu KSAR-35-H1

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
3. 2503A++
   Auratsu ATC-12CLHI/ATC-12CLHO

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
4. 2504A++
   Diloc D.OVER112-2025+D.OVER12W-2025

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
5. 2505A++
   Juro-Pro Smartclima 12k

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
6. 2506A++
   F&U FHIN-12170/FHOT-12171

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
7. 2507A++
   Kaisai KEV-12TLHI/KEX-12TLHO

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
8. 2508A++
   Muhler MAC-12SI

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
9. 2509A++
   Philco PAC-12DC

   3.4 kW · SEER 6.1 · 196 kWh/yr
   €56/year
10. 2510A++
    Rotenso R35Xi R17/R35Xo R17

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
11. 2511A++
    Corbero CST12SIROCO

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
12. 2512A++
    Diloc D.IONIO12 + D.IONIO112

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
13. 2513A++
    Ardesto ARD-ACS12-IP

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
14. 2514A++
    Miyato General MI-9312W / MO-9313W

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
15. 2515A++
    United UNI-3512W / UNO-3513W

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
16. 2516A++
    Kazeiro Suki 12k

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
17. 2517A++
    Vesser WTA09DS/TA09DS

    2.6 kW · SEER 6.1 · 196 kWh/yr
    €56/year
18. 2518A++
    Vesser WTA 12DS/ TA 12DS

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
19. 2519A++
    Fanworld FW16-3000-ECO

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
20. 2520A++
    Pyramidea AC212

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
21. 2521A++
    Mijaki MJI-9612P / MJO-9613P

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
22. 2522A++
    Kanion KWSM-12IR32HFR

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
23. 2523A++
    Artica WHAP12V1

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
24. 2524A++
    Tesla TT34ZA31-1232IA

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
25. 2525A++
    Hobsand HOST12

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
26. 2526A++
    Wellio Athena 12K

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
27. 2527A++
    Star-Light ACT-12XPWF

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
28. 2528A++
    Nuova CINF35I + CINF35O

    3.5 kW · SEER 6.1 · 196 kWh/yr
    €56/year
29. 2529A++
    Singer SNT26-12IVi/SNT26-12IVo

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
30. 2530A++
    Daiichi DHT26-12IVi / DHT26-12IVo

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
31. 2531A++
    Iluve TDAC-12CHSD/INDOOR-TDAC-12CHSD/OUTDOOR

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
32. 2532A++
    Seico SCP1-12(V2)

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
33. 2533A++
    Naitec ST35XWAK

    3.5 kW · SEER 6.2 · 196 kWh/yr
    €56/year
34. 2534A++
    Noxa NXXP-ID35XWM-1A / NXXP-OD35B-1A

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
35. 2535A++
    TCL S12F72S3 SN12F72S3 ST12F3

    3.4 kW · SEER 6.4 · 196 kWh/yr
    €56/year
36. 2536A++
    Sannover Osmozra 12000

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
37. 2537A++
    Brandt CLM12B

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
38. 2538A++
    Konsi KN-TAC-12CHSD-2AHM/IF

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
39. 2539A++
    Sevra Sev-12CR

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
40. 2540A++
    Sollero SOL-SA35

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
41. 2541A++
    Ariston KIOS NET 35 MMA1

    3.4 kW · SEER 6.1 · 196 kWh/yr
    €56/year
42. 2542A++
    Midea MTIU-12HWFNX(GA)/ MOX230-12HFN8-Q(GA)

    3.5 kW · SEER 6.3 · 197 kWh/yr
    €56/year
43. 2543A++
    MDV DCTS-12R32IVT IN/UNVS-12R32INT OU

    3.5 kW · SEER 6.3 · 197 kWh/yr
    €56/year
44. 2544A++
    Noxa NXLMID-12XDS-1A/NXLMOD-12BAU-1A

    3.5 kW · SEER 6.3 · 197 kWh/yr
    €56/year
45. 2545A++
    Vivax ACP-12DT35AERIs R32

    3.5 kW · SEER 6.3 · 197 kWh/yr
    €56/year
46. 2546A++
    Ariston DUC R32 035 U-I x MUC R32 035 MM-O

    3.5 kW · SEER 6.3 · 197 kWh/yr
    €56/year
47. 2547A++
    Inventor V7DI-12WiFiR/U7RS-12

    3.5 kW · SEER 6.3 · 197 kWh/yr
    €56/year
48. 2548A++
    Daikin FTXF35A2V1B / RXF35A2V1B

    3.5 kW · SEER 6.2 · 197 kWh/yr
    €56/year
49. 2549A++
    Daikin FTXF35C5V1B / RXF35C5V1B

    3.5 kW · SEER 6.2 · 197 kWh/yr
    €56/year
50. 2550A++
    Daikin FTXQ35AMV1B / RXQ35AMV1B

    3.5 kW · SEER 6.2 · 197 kWh/yr
    €56/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