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. 1001A+++
   Heiwa HMEH-35-V1 / HMIH-35W-V1

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
2. 1002A+++
   Sinclair SIH+SOH-12BITP

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
3. 1003A++
   Remko RVD 266 DC

   2.6 kW · SEER 6.3 · 144 kWh/yr
   €41/year
4. 1004A+++
   ELCO RIGEON 35

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
5. 1005A+++
   Ariston NEVIS PLUS R32 35 MUD0 3381418

   3.5 kW · SEER 8.5 · 144 kWh/yr
   €41/year
6. 1006A++
   Ariston AERES NET QUICK 25 MMA1

   2.6 kW · SEER 6.3 · 144 kWh/yr
   €41/year
7. 1007A+++
   Juro-Pro Superclima Black 12K

   3.5 kW · SEER 8.5 · 145 kWh/yr
   €41/year
8. 1008A++
   Inventor PFUVI-09WFI/PFUVO-09

   2.7 kW · SEER 6.5 · 145 kWh/yr
   €41/year
9. 1009A++
   Haier AS25RBAHRA-3 / 1U25YESFRA-3

   2.7 kW · SEER 6.5 · 145 kWh/yr
   €41/year
10. 1010A+++
    Daitsu DS-12KTP-5_DOS-12KTP-5

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
11. 1011A+++
    Thermex 606.21.1200.2

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
12. 1012A++
    Candy CY-09RAIN / CY-09RAOUT

    2.7 kW · SEER 6.5 · 145 kWh/yr
    €41/year
13. 1013A+++
    Diplomat DAH-120ECOSmart

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
14. 1014A+++
    Bosch 7733701473

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
15. 1015A+++
    Bosch 7733701474

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
16. 1016A+++
    IVT 7733701477

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
17. 1017A+++
    IVT 7733701478

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
18. 1018A+++
    Buderus 7739618414

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
19. 1019A+++
    Naitec SP35HWXK

    3.5 kW · SEER 8.7 · 145 kWh/yr
    €41/year
20. 1020A+++
    AUX-12CA

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
21. 1021A++
    Candy CY-09RAIN-A/CY-09RAOUT-A

    2.7 kW · SEER 6.5 · 145 kWh/yr
    €41/year
22. 1022A++
    ARGO DELUXE 12000

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
23. 1023A+++
    Midea EZ-12RD6-I / EZ-12RD6-O

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
24. 1024A+++
    Tesla TT34TP81-1232IHWT

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
25. 1025A++
    Inventor PFZUVI-09WIFI/PFZUVO-09

    2.7 kW · SEER 6.5 · 145 kWh/yr
    €41/year
26. 1026A++
    Aermec CK 261 + CK 261 FS

    2.7 kW · SEER 6.5 · 145 kWh/yr
    €41/year
27. 1027A+++
    Nørdis NOVA NDI/NDO-NOV12TC1

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
28. 1028A+++
    Nørdis / Nordis NOVA NDI/NDO-NOV12TC1

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
29. 1029A+++
    Nuvelle QDL 12INVi Wifi / QDF 12INVo Wifi

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
30. 1030A+++
    Zephir ZAR12000WIFI MY24

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
31. 1031A+++
    Tesla TA35MMGT-1232IHWT

    3.5 kW · SEER 8.7 · 145 kWh/yr
    €41/year
32. 1032A+++
    Tesla TT34TP91-1232IHWT

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
33. 1033A+++
    TCL S12C8S0

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
34. 1034A+++
    Daitsu DS-12KTP-6_DOS-12KTP-6

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
35. 1035A+++
    Konsi KN-TAC-12CHSD/TP51I3A

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
36. 1036A++
    Hisense CBYR0906G/ATYR094RW

    2.6 kW · SEER 6.3 · 145 kWh/yr
    €41/year
37. 1037A++
    Hisense CA25YR4BG/CA25YR4BW

    2.6 kW · SEER 6.3 · 145 kWh/yr
    €41/year
38. 1038A+++
    Kaisai KRW-12TLHI/KRWB-12TLHO

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
39. 1039A+++
    Brokton BRST12

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
40. 1040A+++
    Buderus 7739618413

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
41. 1041A++
    Sinclair ASP-09AI

    2.7 kW · SEER 6.5 · 145 kWh/yr
    €41/year
42. 1042A+++
    Sinclair SOM-12BIG

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
43. 1043A+++
    Morris SPIN-35192/SPOD-35193

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
44. 1044A++
    Diplomat DAW-120X Smart Winter

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
45. 1045A+++
    Arielli ASW-12CPHZ

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
46. 1046A++
    AlpicAir AWI-25HRDC1XC AWO-25HRDC1XC

    2.7 kW · SEER 6.5 · 145 kWh/yr
    €41/year
47. 1047A+++
    Rotenso TA35Xi R16/TO35Xo R16

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
48. 1048A+++
    Grento GRA 12CH4

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
49. 1049A+++
    Corbero CSP12MISTRAL

    3.5 kW · SEER 8.5 · 145 kWh/yr
    €41/year
50. 1050A+++
    Diplomat DAH-120SM Ultra Winter

    3.5 kW · SEER 8.5 · 145 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