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+ 266 · A++ 3,544 · A+++ 451 · B 25 · C 1 · D 1

1. 1551A++
   Hitachi RAM-68NP3E / RAK-18RPE + RAK-25RPE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
2. 1552A++
   Hitachi RAM-68NP3E / RAK-18RPE + RAK-25RXE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
3. 1553A++
   Hitachi RAM-68NP3E / RAK-18RPE + RAK-35RPE + RAK-50RXE

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
4. 1554A++
   Hitachi RAM-68NP3E / RAK-18RPE + RAK-35RXE + RAK-35RXE

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
5. 1555A++
   Hitachi RAM-68NP3E / RAK-18RPE + RAK-42RPE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
6. 1556A++
   Hitachi RAM-68NP3E / RAK-18QXE + RAK-25RPE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
7. 1557A++
   Hitachi RAM-68NP3E / RAK-18QXE + RAK-35RPE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
8. 1558A++
   Hitachi RAM-68NP3E / RAK-25RPE + RAK-25RPE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
9. 1559A++
   Hitachi RAM-68NP3E / RAK-25RPE + RAK-25RXE + RAK-50RPE1

   6.8 kW · SEER 8.1 · 293 kWh/yr
   €83/year
10. 1560A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-35RPE + RAK-50RPE1

    6.8 kW · SEER 8.1 · 293 kWh/yr
    €83/year
11. 1561A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-35RXE + RAK-50RPE1

    6.8 kW · SEER 8.1 · 293 kWh/yr
    €83/year
12. 1562A++
    Hitachi RAM-68NP3E / RAK-25RXE + RAK-35RPE + RAK-50RPE1

    6.8 kW · SEER 8.1 · 293 kWh/yr
    €83/year
13. 1563A++
    Hitachi RAM-68NP3E / RAK-35RPE + RAK-35RXE + RAK-35RXE

    6.8 kW · SEER 8.1 · 293 kWh/yr
    €83/year
14. 1564A++
    ELIT PRO-18W WIFI

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
15. 1565A++
    TCL TAC-18CHSD/TPG11I

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
16. 1566A++
    AirBlue AW 51 HP

    5.9 kW · SEER 6.1 · 293 kWh/yr
    €83/year
17. 1567A++
    Fuji Electric ROG18KBTB/RYG18KRTA

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
18. 1568A++
    Fuji Electric ROG18KBTB/RDG18KLLAP

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
19. 1569A++
    Fuji Electric ROG18KATA/RCG18KRLB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
20. 1570A++
    Andersen Electric AE 18000

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
21. 1571A++
    Fuji Electric ROG18LBCB/RCG18LVLB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
22. 1572A++
    Emmeti X-REVO-1819EX X-REVO-1819F

    5.3 kW · SEER 6.3 · 293 kWh/yr
    €83/year
23. 1573A++
    Fuji Electric ROG18LALL/RCG18LVLB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
24. 1574A++
    Fuji Electric ROG18LALL/RDG18LLTB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
25. 1575A++
    Mobika EL-CLSMTOR32-050

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
26. 1576A++
    Daitsu DSM-9U2KDT UE18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
27. 1577A+++
    Daitsu DSM-9U2KDT-5 UE18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
28. 1578A++
    Daitsu DSM-912KDT-5 UE18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
29. 1579A++
    Seico SCP1-18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
30. 1580A++
    Seico SCM1-18.2

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
31. 1581A++
    Samsung AR70F07CAAWN+AR70F09CAAWNx2 / AJ068TXJ3KG

    6.5 kW · SEER 7.8 · 293 kWh/yr
    €83/year
32. 1582A++
    Vortis VIP18000 MY24

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
33. 1583A++
    Zephir ZT3218000

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
34. 1584A++
    MAXA BDL53R

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
35. 1585A++
    Nørdis ALTAIR PLUS NDI/NDO-AP18TC1

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
36. 1586A++
    Nørdis / Nordis ALTAIR PLUS NDI/NDO-AP18TC1

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
37. 1587A++
    Saivod ASCT1824

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
38. 1588A++
    Be COOL BC18SK2001QW

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
39. 1589A++
    Be COOL BCP18SK2201QW

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
40. 1590A++
    Bluepalm BP18BTUPWQC

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
41. 1591A++
    Emmeti X-REVO-1824

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
42. 1592A++
    Vaillant VAI8-050WN

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
43. 1593A++
    Saunier Duval SDH19-050NW

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
44. 1594A++
    Zephir ZCL18000WIFI

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
45. 1595A++
    Zephir ZDUO9+9MY23

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
46. 1596A++
    Zephir ZEM18000

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
47. 1597A++
    Home Deluxe Split 18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
48. 1598A++
    Tesla TT51EX81-1832IAW

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
49. 1599A++
    Beko BEHPD 180/ BEHPD 181 8508943200

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
50. 1600A++
    Konsi KN-TAC-18CHSD/IFI

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/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