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. 651A++
   ARGO X3I ECO PLUS NEW 52 SH LHB

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
2. 652A++
   Riello 20127859

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
3. 653A++
   Cooper&Hunter CH-S18FVX2-NG

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
4. 654A++
   Daikin ATXF25A5V1B / ATXF25A5V1B / ATXF25A5V1B / 3AMXF52A2V1B

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
5. 655A++
   General AOHG18KLTA/ASHG18KLCA

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
6. 656A++
   Rotenso U50Xi R15/U50Xo R15

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
7. 657A+++
   LG MJ07PC NSJ，MJ07PC NSJ，MJ07PC NSJ/MU3R21 U24A0

   6.2 kW · SEER 8.5 · 253 kWh/yr
   €72/year
8. 658A++
   Eca Technology FIEV1825HE32

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
9. 659A++
   Bosch 7733702190

   5.2 kW · SEER 7.2 · 253 kWh/yr
   €72/year
10. 660A++
    Emmeti XEVO-1817D

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
11. 661A++
    Viessmann Vitoclima 300-Style WS3050JLD0

    5.2 kW · SEER 7.5 · 253 kWh/yr
    €72/year
12. 662A++
    Viessmann Vitoclima 230-S Console IFAA230MGB052

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
13. 663A+++
    Atlantic 872940

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
14. 664A++
    Thermor 872042

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
15. 665A++
    Thermor 872935

    7 kW · SEER 7.1 · 253 kWh/yr
    €72/year
16. 666A+++
    Bosch 7733704930

    6.2 kW · SEER 8.5 · 253 kWh/yr
    €72/year
17. 667A+++
    Bosch 7733704931

    6.2 kW · SEER 8.5 · 253 kWh/yr
    €72/year
18. 668A+++
    Buderus 7733704974

    6.2 kW · SEER 8.5 · 253 kWh/yr
    €72/year
19. 669A+++
    Buderus 7733704975

    6.2 kW · SEER 8.5 · 253 kWh/yr
    €72/year
20. 670A++
    Sinclair SIP+SOP-18BI

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
21. 671A++
    Vulcano 7733702383

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
22. 672A++
    Daikin ATXF25F5V1B / ATXF25F5V1B / ATXF25F5V1B / 3AMXF52B2V1B

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
23. 673A++
    Midea MB-18N8D0-I / MB-18N8D0-O

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
24. 674A++
    GREE GWH18AUDXD-K6DNA1A (2022 registration)

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
25. 675A++
    GREE GWH18AUDXD-K6DNA1A (2023 registration)

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
26. 676A++
    Toyotomi CTN-256W/CTG-256W

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
27. 677A++
    Azuri AZI-WM50VA/I - AZI-WM50VA/O

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
28. 678A++
    Sinclair SOH-18BIM

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
29. 679A++
    AlpicAir AWI-54HRDC1G AWO-54HRDC1G

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
30. 680A++
    Cooper&Hunter CH-S18FTXAM-SC/GD

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
31. 681A++
    Cooper&Hunter CH-S18FTXLA6

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
32. 682A++
    Toyotomi UTN-18CH/UTG-18CH

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
33. 683A++
    Vaillant VAIB1-050WNO + VAIB1-050WNI

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
34. 684A++
    Saunier Duval SDHB1-050SNWO + SDHB1-050SNWI

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
35. 685A++
    Tosot Clivia-GWH18AUDB

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
36. 686A++
    Viessmann Vitoclima 230-S Dynamic 5,3 kW IWAA230MGB053

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
37. 687A+++
    Rotenso I21Xi R15*3 / H50Xm3 R15

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
38. 688A++
    Ariston TRIAL 50 NEVIS NET_UA1-I 12+12+12

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
39. 689A++
    Ariston TRIAL 50 NEVIS NET_UA1-I 9+9+12

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
40. 690A++
    Ariston TRIAL 50 NEVIS NET_UA1-I 9+12+12

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
41. 691A++
    Ariston TRIAL 50 NEVIS NET_UA1-I 9+9+9

    5.3 kW · SEER 7.3 · 254 kWh/yr
    €72/year
42. 692A++
    Fujitsu AOYG18LBCA/ARYG18LHTBP (2021 registration)

    5.2 kW · SEER 7.1 · 255 kWh/yr
    €72/year
43. 693A++
    Fuji Electric ROG18LBCA/RDG18LHTBP

    5.2 kW · SEER 7.1 · 255 kWh/yr
    €72/year
44. 694A+
    Fujitsu AOYG18LBCA/ARYG18LHTBP (2019 registration)

    5.2 kW · SEER 7.1 · 255 kWh/yr
    €72/year
45. 695A+
    General AOHG18LBCA/ARHG18LHTBP

    5.2 kW · SEER 7.1 · 255 kWh/yr
    €72/year
46. 696A++
    Arielli AAC-18CPHL (WI-FI)

    5.1 kW · SEER 7 · 255 kWh/yr
    €72/year
47. 697A++
    Sharp AY-X18WSRS/AE-X18WSR

    5.2 kW · SEER 7.1 · 256 kWh/yr
    €72/year
48. 698A++
    Becken 1800 BTU BAC4258

    5.2 kW · SEER 7.1 · 256 kWh/yr
    €72/year
49. 699A++
    GREE GWH18AFD-K6DNA3I

    5.2 kW · SEER 7.1 · 256 kWh/yr
    €72/year
50. 700A+++
    Samsung AJ026TNJDKG + AJ052TNJDKG / AJ052TXJ3KG

    5.2 kW · SEER 7 · 256 kWh/yr
    €72/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