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. 1701A++
   Kaisai KCA3U-18HRG32X

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
2. 1702A++
   Animair IDU-S4C50SN1 / ODU-S50SN1

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
3. 1703A++
   Heiwa HP2ES-50-V1 / HP2GIS-50-V1

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
4. 1704A++
   Toyotomi DCT18IUINVR32/OU181INVR32

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
5. 1705A++
   Azuri AUD50PS1/A-S + ZUD50W1/NhA-S

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
6. 1706A++
   Electrolux (2x) EXI09JEIWI 950011509 EXO18HEIWE 950011519

   5.2 kW · SEER 6.2 · 294 kWh/yr
   €83/year
7. 1707A++
   manta Smac0109I+SMAC0112I/U21MAC0118O

   5.2 kW · SEER 6.2 · 294 kWh/yr
   €83/year
8. 1708A++
   Inventor V7CRI- 18WiFiR/U7RS-18

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
9. 1709A++
   Ariston (2x) NEVIS PLUS R32 25 UD0-Ix DUAL C 50 XD0-O

   5.3 kW · SEER 6.3 · 294 kWh/yr
   €83/year
10. 1710A++
    Ariston CCA R32 050 U-I x MUC R32 050 MM-O

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
11. 1711A++
    Corbero CCD18BORA

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
12. 1712A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-15QPE + RAK-25RPE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
13. 1713A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-18RPE + RAK-25RPE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
14. 1714A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-18RPE + RAK-25RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
15. 1715A++
    Hitachi RAM-68NP3E / RAK-15QPE + RAK-25RXE + RAK-35RPE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
16. 1716A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-18RPE + RAK-18RPE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
17. 1717A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-25RPE + RAK-35RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
18. 1718A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-25RPE + RAK-50RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
19. 1719A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-25RXE + RAK-35RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
20. 1720A++
    Hitachi RAM-68NP3E / RAK-18RPE + RAK-25RXE + RAK-50RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
21. 1721A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-35RPE + RAK-35RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
22. 1722A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-35RPE + RAK-50RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
23. 1723A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-35RXE + RAK-35RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
24. 1724A++
    Hitachi RAM-68NP3E / RAK-25RPE + RAK-35RXE + RAK-50RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
25. 1725A++
    Hitachi RAM-68NP3E / RAK-25RXE + RAK-35RXE + RAK-35RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
26. 1726A++
    Hitachi RAM-68NP3E / RAK-35RPE + RAK-35RPE + RAK-35RPE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
27. 1727A++
    Hitachi RAM-68NP3E / RAK-35RPE + RAK-35RPE + RAK-35RXE

    6.8 kW · SEER 8.1 · 294 kWh/yr
    €83/year
28. 1728A++
    Daikin FTXM20N2V1B / FTXM20N2V1B / FTXM25N2V1B / 3MXM68N2V1B

    6.5 kW · SEER 7.8 · 294 kWh/yr
    €83/year
29. 1729A++
    Daikin CTXM15N2V1B / FTXM25N2V1B / FTXM25N2V1B / 4MXM68N2V1B

    6.5 kW · SEER 7.8 · 294 kWh/yr
    €83/year
30. 1730A++
    Daikin FTXM25N2V1B / FTXM42N2V1B / 3MXM68N2V1B

    6.7 kW · SEER 8 · 294 kWh/yr
    €83/year
31. 1731A++
    Emmeti X-REVO-1819EX X-REVO-1819D

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
32. 1732A++
    Fuji Electric ROG18LBCB/RDG18LLTB

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
33. 1733A++
    Kosner SPLIT CASSETTE R32 KOSNER KSTI-18/50 CS NOVA

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
34. 1734A++
    electriQ IQOOL-SRC18HP

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
35. 1735A++
    electriQ IQOOL-2MS9K9K-V3

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
36. 1736A++
    Aermec LPG500D LPG500

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
37. 1737A++
    De Dietrich 7723182 - EMSG 50

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
38. 1738A++
    Nørdis NIC/NOA-18

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
39. 1739A++
    Nørdis / Nordis NIC/NOA-18

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
40. 1740A++
    Clivet MC3-Y 53M IB3-XY 53M (1x1)

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
41. 1741A++
    Remko RVD 525 DC

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
42. 1742A++
    Remko ATY 527 DC Deko

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
43. 1743A++
    Mitsubishi Electric MXZ-2F53VFHZ2-E1 / SLZ-M35FA.TH + SLZ-M35FA.TH

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
44. 1744A++
    Konsi KN-TAC-18I2/DV/O+KN-TAC-09CHSD/IFI/I+KN-TAC-09CHSD/IFI/I

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
45. 1745A++
    Cooper&Hunter CH-IDS050PRK2 + CH-IU050RK2

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
46. 1746A+
    Fisher FSKIF-184AE2-EU/FSOIF-183AE2

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
47. 1747A++
    Konsi KN-LC18DT-T

    7 kW · SEER 6.3 · 294 kWh/yr
    €83/year
48. 1748A++
    Sinclair ASGE-18BI2+ASD-18BI2

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
49. 1749A++
    Emelson EML-C6-18FAROR32

    5.2 kW · SEER 6.3 · 294 kWh/yr
    €83/year
50. 1750A++
    Qlima SM 23 3 53-S 2326-S 2335

    5.3 kW · SEER 6.1 · 294 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