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. 251A+++
   Sinclair ASH-09BIS/B

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
2. 252A+++
   Sinclair ASH-09BIS2/W

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
3. 253A+++
   Sinclair SOH-09BIM

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
4. 254A+++
   Azuri AZI-WM25VB

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
5. 255A+++
   GREE GWH09YC-K6DNA1A

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
6. 256A+++
   GREE GWH09YD-S6DBA2A

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
7. 257A+++
   GREE GHW09AEC-K6DNA1A

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
8. 258A+++
   AlpicAir AWI-20HRDC1A AWO-20HRDC1A

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
9. 259A+++
   Toyotomi UTN-09CH/UTG-09CH

   2.7 kW · SEER 8.5 · 111 kWh/yr
   €31/year
10. 260A+++
    Multiwarm MKEGM 262 ZAL - MCNGS 262 ZA

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
11. 261A+++
    Hokkaido HKEU 264 ZAL - HCNI 264 ZA

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
12. 262A+++
    Atlantic 872198

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
13. 263A+++
    Vaillant VAIP1-025WNO + VAIP1-025WNI

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
14. 264A+++
    Saunier Duval SDHP1-025SNWO + SDHP1-025SNWI

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
15. 265A+++
    Ekokai DPA25NFX

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
16. 266A+++
    Polar SIEH0025SDF / SO1H0025SDF

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
17. 267A+++
    Tosot Clivia-GWH09AUCB

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
18. 268A++
    Viessmann Vitoclima 232-S WS2026MLD0

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
19. 269A+++
    Viessmann Vitoclima 232-S WS2026CLD0

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
20. 270A+++
    Sinclair SIH+SOH-09BITP

    2.7 kW · SEER 8.5 · 111 kWh/yr
    €31/year
21. 271A+++
    AUX-09CA

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
22. 272A++
    ARGO DELUXE 9000

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
23. 273A+++
    Nuvelle QDL 09INVi Wifi / QDF 09INVo Wifi

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
24. 274A+++
    Arielli ASW-09CPHZ

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
25. 275A+++
    Arielli ASW-09CPHS

    3 kW · SEER 9 · 112 kWh/yr
    €32/year
26. 276A+++
    R-4Living HP A-A 09K

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
27. 277A+++
    AUX ASW-H09B6/F SERIES

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
28. 278A+++
    Aufit Q+++ 09K

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
29. 279A+++
    Nuvelle Tempest NTB9I/NTB9O Wifi

    2.7 kW · SEER 8.5 · 112 kWh/yr
    €32/year
30. 280A++
    GREE GWH09ATCXB-K6DNA1A

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
31. 281A++
    Azuri AZI-WM25VA/I - AZI-WM25VA/O

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
32. 282A++
    Electrolux EPH09MLIWE 950010885

    2.6 kW · SEER 8 · 113 kWh/yr
    €32/year
33. 283A++
    AS Wilfa Narvik 30

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
34. 284A++
    AlpicAir AWI-26HRDC1G AWO-26HRDC1G

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
35. 285A++
    Cooper&Hunter CH-S09FTXLA6

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
36. 286A++
    Saunier Duval SDHB1-025SNWO + SDHB1-025SNWI

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
37. 287A++
    Vaillant VAIB1-025WNO + VAIB1-025WNI

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
38. 288A++
    Mill Calm WiFi 3800 Heat Pump

    2.7 kW · SEER 8.4 · 113 kWh/yr
    €32/year
39. 289A++
    MBO-H09A4/MAR3DIBT-EU WIFI

    2.7 kW · SEER 8.4 · 114 kWh/yr
    €32/year
40. 290A++
    Arielli ASW-09CPH

    2.7 kW · SEER 8.4 · 114 kWh/yr
    €32/year
41. 291A+++
    Fuji Electric ROH12KHCBN/RSH12KHCBN

    3.5 kW · SEER 10.6 · 115 kWh/yr
    €33/year
42. 292A+++
    Fujitsu AOEH12KHCBN/ASEH12KHCBN

    3.5 kW · SEER 10.6 · 115 kWh/yr
    €33/year
43. 293A+++
    General AOHH12KHCBN/ASHH12KHCBN

    3.5 kW · SEER 10.6 · 115 kWh/yr
    €33/year
44. 294A+++
    Bosch 7733703790

    2.8 kW · SEER 8.5 · 115 kWh/yr
    €33/year
45. 295A+++
    Clivet MMA1-Y 27M NV + IMA1-Y 27M

    2.6 kW · SEER 8.5 · 115 kWh/yr
    €33/year
46. 296A+++
    Sensei SAC-09SKWN/I

    2.6 kW · SEER 8.5 · 116 kWh/yr
    €33/year
47. 297A++
    Haier AS25PCHHRA-NR / 1U25KEFFRA-NR

    2.6 kW · SEER 7.8 · 117 kWh/yr
    €33/year
48. 298A++
    Hisense QH25XV2AG/AS25XV2EW

    2.6 kW · SEER 7.8 · 117 kWh/yr
    €33/year
49. 299A++
    Inventor V7LI-09WiFiR/U7RS-09

    2.6 kW · SEER 7.8 · 117 kWh/yr
    €33/year
50. 300A++
    HJI-09C-A1

    2.6 kW · SEER 7.8 · 117 kWh/yr
    €33/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