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. 3401A++
   ARGO X3MI ECO 61SH

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
2. 3402A++
   Green Electric GREEN E.24 GREEN ELECTRIC MONO 24

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
3. 3403A++
   Green Electric GREEN.E300 GREEN ELECTRIC TRIAL 21

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
4. 3404A++
   Ferroli GOLD 22 3.2

   6.4 kW · SEER 6.4 · 350 kWh/yr
   €99/year
5. 3405A++
   Ferroli AMBRA 21-3

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
6. 3406A++
   ARGO ECOLIGHT MONO 24000 WIFI

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
7. 3407A++
   Storm ST16738 STORM MITE TRIAL KW 6,1 R32

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
8. 3408A++
   TECHNIBEL ECOLIGHT MONO 24

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
9. 3409A++
   GREE GWH24AAD-K6DNA1A

   6.1 kW · SEER 6.1 · 350 kWh/yr
   €99/year
10. 3410A++
    Lamborghini Caloreclima I.Breeze-N 22 3.2e

    6.4 kW · SEER 6.4 · 350 kWh/yr
    €99/year
11. 3411A++
    Innova IGZM321NO-1

    6.1 kW · SEER 6.1 · 350 kWh/yr
    €99/year
12. 3412A++
    Hisense 3AMW72HC1292

    7 kW · SEER 7 · 350 kWh/yr
    €99/year
13. 3413A++
    Hisense 3AMW72HC182

    7 kW · SEER 7 · 350 kWh/yr
    €99/year
14. 3414A++
    Daikin FCAG35BVEB / FCAG35BVEB / FCAG35BVEB / RZAG71N7V1B

    6.8 kW · SEER 6.8 · 350 kWh/yr
    €99/year
15. 3415A++
    Buderus 7733702505

    6 kW · SEER 6.1 · 350 kWh/yr
    €99/year
16. 3416A++
    Ariston PRIOS NET 70 MUB1

    7 kW · SEER 7 · 350 kWh/yr
    €99/year
17. 3417A++
    Hitachi RAM-70NYP4E / RAK-15QPE + RAK-42RPE + RAK-50RXE

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
18. 3418A++
    Hitachi RAM-70NYP4E / RAK-18RPE + RAK-25RXE + RAK-50RPE

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
19. 3419A++
    Hitachi RAM-70NYP4E / RAK-18RPE + RAK-35RPE + RAK-50RPE

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
20. 3420A++
    Hitachi RAM-70NYP4E / RAK-18RPE + RAK-35RXE + RAK-50RPE

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
21. 3421A++
    Hitachi RAM-70NYP4E / RAK-18QXE + RAK-35RPE + RAK-50RPE1

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
22. 3422A++
    Hitachi RAM-70NYP4E / RAK-25RXE + RAK-25RXE + RAK-42RPE

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
23. 3423A++
    Hitachi RAM-70NYP4E / RAK-25RXE + RAK-35RPE + RAK-42RPE

    7 kW · SEER 6.9 · 351 kWh/yr
    €99/year
24. 3424A+
    Emmeti XECO-2415TE XECO-09-12XXX

    6 kW · SEER 6 · 351 kWh/yr
    €99/year
25. 3425A++
    Hitachi RAM-70NYP4E / RAK-50RPE + RAK-50RPE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
26. 3426A++
    Hitachi RAM-70NYP4E / RAK-15QPE + RAK-42RPE + RAK-42RPE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
27. 3427A++
    Hitachi RAM-70NYP4E / RAK-18RPE + RAK-42RPE + RAK-50RXE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
28. 3428A++
    Hitachi RAM-70NYP4E / RAK-18QXE + RAK-18QXE + RAK-42RPE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
29. 3429A++
    Hitachi RAM-70NYP4E / RAK-25RPE + RAK-25RPE + RAK-42RPE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
30. 3430A++
    Hitachi RAM-70NYP4E / RAK-25RPE + RAK-35RPE + RAK-50RPE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
31. 3431A++
    Hitachi RAM-70NYP4E / RAK-25RPE + RAK-35RXE + RAK-50RPE

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
32. 3432A++
    Hitachi RAM-70NYP4E / RAK-25RXE + RAK-25RXE + RAK-50RPE1

    7 kW · SEER 6.9 · 352 kWh/yr
    €100/year
33. 3433A
    Hitachi RAM-53NP2A / RAD-18RPA + RAD-35RPA

    5.3 kW · SEER 5.3 · 352 kWh/yr
    €100/year
34. 3434A+
    Mitsubishi Electric SEZ-M60DA2 / PUZ-ZM60VHA2

    6.1 kW · SEER 6 · 352 kWh/yr
    €100/year
35. 3435A++
    Daikin FTXC60AV1B / RXC60AV1B

    6.2 kW · SEER 6.2 · 352 kWh/yr
    €100/year
36. 3436A++
    Daikin FTXM20R2V1B / FTXM50R2V1B / 3MXM68N2V1B9

    6.8 kW · SEER 6.8 · 352 kWh/yr
    €100/year
37. 3437A++
    Sensei SAC-24SKW/I

    6.4 kW · SEER 6.4 · 352 kWh/yr
    €100/year
38. 3438A++
    Sensei SAC-18SKW/I

    5.1 kW · SEER 6.1 · 352 kWh/yr
    €100/year
39. 3439A++
    Emmeti X-REVO-2425D-S

    7 kW · SEER 7 · 352 kWh/yr
    €100/year
40. 3440A++
    Daikin CTXM15R2V1B / CTXM15R2V1B / FBA35A2VEB9 / 5MWXM68A2V1B9

    6.5 kW · SEER 6.5 · 352 kWh/yr
    €100/year
41. 3441A+
    Mitsubishi Electric SEZ-M60DA3 / PUZ-ZM60VHA3

    6.1 kW · SEER 6 · 352 kWh/yr
    €100/year
42. 3442A++
    Airton 409968

    6.2 kW · SEER 6.1 · 352 kWh/yr
    €100/year
43. 3443A++
    Hitachi RAM-70NYP4E / RAK-18RPE + RAK-50RXE

    7 kW · SEER 6.9 · 353 kWh/yr
    €100/year
44. 3444A++
    Hitachi RAM-70NYP4E / RAK-15QPE + RAK-42RPE + RAK-50RPE1

    7 kW · SEER 6.9 · 353 kWh/yr
    €100/year
45. 3445A++
    Hitachi RAM-70NYP4E / RAK-18QXE + RAK-25RPE + RAK-50RPE

    7 kW · SEER 6.9 · 353 kWh/yr
    €100/year
46. 3446A++
    Hitachi RAM-70NYP4E / RAK-25RPE + RAK-25RXE + RAK-50RPE

    7 kW · SEER 6.9 · 353 kWh/yr
    €100/year
47. 3447A+
    Mitsubishi Electric PEAD-M60JA / SUZ-M60VA

    6.1 kW · SEER 6 · 353 kWh/yr
    €100/year
48. 3448A
    Mitsubishi Electric SEZ-M60DA2 / SUZ-KA60VA6

    5.6 kW · SEER 5.5 · 353 kWh/yr
    €100/year
49. 3449A++
    Daikin FTXM20R2V1B / FTXM50R2V1B / 5MWXM68A2V1B9

    6.8 kW · SEER 6.7 · 353 kWh/yr
    €100/year
50. 3450A++
    Daikin FTXM20N2V1B / FTXM50N2V1B / 2MXM68A2V1B

    6.8 kW · SEER 6.8 · 353 kWh/yr
    €100/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