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. 1051A+++
   Diloc D.OVER118-2025+D.OVER18W-2025

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
2. 1052A++
   Tredi TRV-18116-IU/TRV-18117-OU

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
3. 1053A++
   Miyato General MI-9318W/MO-9319W

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
4. 1054A++
   Philco PAC-18DC

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
5. 1055A++
   Arielli AAC-18CHSD

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
6. 1056A++
   General AOHG18KBTB/AUXG18KVLA

   5.2 kW · SEER 6.6 · 275 kWh/yr
   €78/year
7. 1057A++
   Rotenso R50Xi R17/R50Xo R17

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
8. 1058A++
   Diloc D.IONIO18 + D.IONIO118

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
9. 1059A++
   Ardesto ARD-ACS18-IP

   5.1 kW · SEER 6.5 · 275 kWh/yr
   €78/year
10. 1060A++
    Corbero CST18SIROCO

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
11. 1061A++
    United UNI-3518W / UNO-3519W

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
12. 1062A++
    Vesser WTB18DS/TB18DS

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
13. 1063A++
    F&U FVIN-18142 / FVOT-18143

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
14. 1064A++
    Kanion KWSM-18IR32HF (2025 registration)

    5.3 kW · SEER 6.5 · 275 kWh/yr
    €78/year
15. 1065A++
    Artica WHAP18V1

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
16. 1066A++
    Suneco S18H6

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
17. 1067A++
    Wellio Athena 18K

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
18. 1068A++
    Seico SCP1-18(V2)

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
19. 1069A++
    Daiichi DHT26-18IVi / DHT26-18IVo

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
20. 1070A++
    Iluve TDAC-18CHSD/INDOOR-TDAC-18CHSD/OUTDOOR

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
21. 1071A++
    Sannover Osmozra 18000

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
22. 1072A++
    Konsi KN-TAC-18CHSD-2AHM/IF

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
23. 1073A++
    ArctX AX18ECO

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
24. 1074A++
    Kesser K-KI-18000-2

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
25. 1075A++
    Sollero SOL-SA50

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
26. 1076A++
    Ariston KIOS NET 50 MMA1

    5.1 kW · SEER 6.5 · 275 kWh/yr
    €78/year
27. 1077A++
    Midea MA2-18NXD0-I / MA-18N8D0-O

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
28. 1078A++
    Azuri AZI-FO50VD/I / AZI-FO50VD/O

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
29. 1079A++
    Toyotomi CON56INECR32/CON56OUECR32

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
30. 1080A++
    Equation M2OF-18HFN1-Q

    5.3 kW · SEER 6.7 · 276 kWh/yr
    €78/year
31. 1081A++
    Midea MA-18N8D0-SET

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
32. 1082A++
    Airmat PYRENAIR CONSOLE 50

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
33. 1083A++
    Daikin FTXC50BV1B / RXC50BV1B

    5.1 kW · SEER 6.5 · 276 kWh/yr
    €78/year
34. 1084A++
    Daikin FTXC50DV1B / RXC50DV1B

    5.1 kW · SEER 6.5 · 276 kWh/yr
    €78/year
35. 1085A++
    Emmeti X-REVO-1819EX X-REVO-1819C

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
36. 1086A++
    MAXA BCO53R

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
37. 1087A++
    Aermec CKG500FS CKG500

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
38. 1088A++
    Panasonic S-60PU2E5B / U-60PZ2E5

    6 kW · SEER 7.6 · 276 kWh/yr
    €78/year
39. 1089A++
    Sinclair ASP-18BI

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
40. 1090A++
    Zephir ZMR18000 MY25

    5.2 kW · SEER 6.7 · 276 kWh/yr
    €78/year
41. 1091A++
    Hitachi RAS-2.5HVRC3 - RPI-2.5FSR(1)E

    5.6 kW · SEER 7.1 · 276 kWh/yr
    €78/year
42. 1092A++
    SVAN SAAS1801W

    5.2 kW · SEER 6.7 · 276 kWh/yr
    €78/year
43. 1093A++
    AIRE COND20W2 MULTI (3X1) 2X AIRE09EV-TD-WIFI 1X AIRE12EV-TD-WIFI

    6.3 kW · SEER 8 · 276 kWh/yr
    €78/year
44. 1094A++
    Proklima PRO COND21W2 MULTI 3X1 3X PRO09WE-TU-WIFI

    6.3 kW · SEER 8 · 276 kWh/yr
    €78/year
45. 1095A++
    Tesla TT53TPPW-1832IAWAM

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/year
46. 1096A++
    bravair MXS-18HVCX

    5.3 kW · SEER 6.7 · 276 kWh/yr
    €78/year
47. 1097A++
    Electroline ETHE60D3 + (3x) IUD263HKAW

    6.3 kW · SEER 8 · 276 kWh/yr
    €78/year
48. 1098A++
    ICELIN21W2 MULTI (3X1) 2X ICELIN09CL-WIFI EVAP MULTI WIFI ICELIN12CL-WIFI EVAP MULTI WIFI

    6.3 kW · SEER 8 · 276 kWh/yr
    €78/year
49. 1099A++
    Zephir ZMS18000WIFI MY26

    5.3 kW · SEER 6.7 · 276 kWh/yr
    €78/year
50. 1100A++
    Tosot WTS18R2

    5.2 kW · SEER 6.6 · 276 kWh/yr
    €78/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