Most energy-efficient air conditioners, 3.6–5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €39 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 83 · A+ 159 · A++ 1,158 · A+++ 201 · B 12 · C 1 · D 1

1. 1051A+
   Fuji Electric ROG14KBTB/RDG14KLLAP

   4.3 kW · SEER 5.8 · 259 kWh/yr
   €73/year
2. 1052A+
   Fuji Electric ROG14LALL/RDG14LLTB

   4.3 kW · SEER 5.8 · 259 kWh/yr
   €73/year
3. 1053A
   General AOHG14LALL/ARHG14LLTB

   4.3 kW · SEER 5.8 · 259 kWh/yr
   €73/year
4. 1054A+
   General AOHG14KBTB/ARXG14KLLAP

   4.3 kW · SEER 5.8 · 259 kWh/yr
   €73/year
5. 1055A++
   Mitsubishi Electric MLZ-KP50VF / SUZ-M50VA

   5 kW · SEER 6.7 · 260 kWh/yr
   €74/year
6. 1056A++
   Mitsubishi Electric PCA-M50KA2 / PUZ-ZM50VKA2

   5 kW · SEER 6.7 · 260 kWh/yr
   €74/year
7. 1057A++
   Mitsubishi Electric MLZ-KP50VG / SUZ-M50VA

   5 kW · SEER 6.7 · 260 kWh/yr
   €74/year
8. 1058A++
   Daikin FTXP50K3V1B / RXP50K3V1B

   5 kW · SEER 6.7 · 260 kWh/yr
   €74/year
9. 1059A
   Ariston DUAL 40 ALYS NET_UA1-I 12+12

   4.1 kW · SEER 5.5 · 260 kWh/yr
   €74/year
10. 1060A
    Ariston DUAL 40 DUC R32_U-I N 12+12

    4.1 kW · SEER 5.5 · 260 kWh/yr
    €74/year
11. 1061A++
    Samsung AC052RNNDKG/AC052RXADKG

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
12. 1062A++
    Kaisai KFAU-17HRG32X/KOX330-18HFN32X

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
13. 1063A++
    Inventor V7LI-18WiFiR/U7RS-18

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
14. 1064A++
    Mitsubishi Electric MSZ-DW50VF / MUZ-DW50VF

    5 kW · SEER 6.5 · 261 kWh/yr
    €74/year
15. 1065A++
    Mitsubishi Electric MXZ-3HA50VF / MSZ-DW25VF + MSZ-DW25VF + MSZ-DW25VF

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
16. 1066A++
    Daikin FTXP50L2V1B / RXP50L2V1B

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
17. 1067A++
    Mundoclima MUCNR-18-H14

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
18. 1068A++
    Clivet MC3-Y 53M+IC3-XY 53M (1x1)

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
19. 1069A++
    Panasonic CS-Z50UFEAW / CU-Z50UBEA

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
20. 1070A++
    Remko RWT 525 DC

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
21. 1071A++
    Hisense ACT52UR4RCC8 / AUW52U4RJ8

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
22. 1072A++
    Midea MFA2U-17HRFNX-ME-SET

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
23. 1073A++
    Qlima SF 2350-SU 2350

    4 kW · SEER 6.7 · 261 kWh/yr
    €74/year
24. 1074A++
    Rotenso A50Xi R16/A50Xo R16

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
25. 1075A++
    Vivax ACP-18CT50AERIs R32

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
26. 1076A++
    Fisher FSFIF-1801AE3 / FSOIF-1801AE3

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
27. 1077A++
    AMG NMFX17HP24X

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
28. 1078A++
    Rossato ELYSON CONSOLE 18

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
29. 1079A++
    Bosch 7733702373

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
30. 1080A++
    Fujitsu AOEG18KBCA2/ASEH12KNCA/ASEH12KNCA

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
31. 1081A++
    Fujitsu AOEG18KBCA2/ASEH09KNCA/ASEH09KNCA

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
32. 1082A++
    Midea MFA2U-17HRFNX(GA) - MOX330U-18HFN8-Q(GA)

    5 kW · SEER 6.7 · 261 kWh/yr
    €74/year
33. 1083A++
    Panasonic S-3650PK3E / U-50PZ3E5

    5 kW · SEER 6.7 · 262 kWh/yr
    €74/year
34. 1084A++
    Toshiba Carrier Corporation RAV-GM562ATP-E+RAV-HM561KRTP-E

    5 kW · SEER 6.7 · 262 kWh/yr
    €74/year
35. 1085A+++
    Fujitsu AOYG18KBTA2/ASYG09KGTB/ASYG09KGTB (2021 registration)

    5 kW · SEER 8.6 · 263 kWh/yr
    €74/year
36. 1086A++
    Mitsubishi Electric PKA-M50LA / PUHZ-ZRP50VKA2

    4.6 kW · SEER 6.1 · 263 kWh/yr
    €74/year
37. 1087A+
    Panasonic CS-TE42TKEW / CU-TE42TKE

    4.2 kW · SEER 5.6 · 263 kWh/yr
    €74/year
38. 1088A++
    Fujitsu AOYG18KBTA2/ASYG09KGTB/ASYG09KGTB (2019 registration)

    5 kW · SEER 8.6 · 263 kWh/yr
    €74/year
39. 1089A+++
    General AOHG18KBTA2/ASHG09KGTB/ASHG09KGTB

    5 kW · SEER 8.6 · 263 kWh/yr
    €74/year
40. 1090A
    Emmeti XECO-2815QE XECO-07-07XXX

    4.2 kW · SEER 5.6 · 263 kWh/yr
    €74/year
41. 1091A++
    Genz DGWA1-ACDC-18KR2

    5 kW · SEER 6.8 · 263 kWh/yr
    €74/year
42. 1092A++
    Daitsu DS-18UIDN(WD)_DOS-18UIDN(WD)

    4.6 kW · SEER 6.1 · 264 kWh/yr
    €75/year
43. 1093A++
    Daitsu DS-18KIDB-2(WD)_DOS-18KIDB-2(WD)

    4.6 kW · SEER 6.1 · 264 kWh/yr
    €75/year
44. 1094A+
    Hiyasu HS-18UIHN(W)_HOS-18UIHN(W)

    4.6 kW · SEER 6.1 · 264 kWh/yr
    €75/year
45. 1095A++
    Azuri AZI-WA50VG/I / AZI-WA50VG/O

    4.6 kW · SEER 6.1 · 264 kWh/yr
    €75/year
46. 1096A++
    Becken BAC4201

    4.6 kW · SEER 6.1 · 264 kWh/yr
    €75/year
47. 1097A++
    Electrolux EXI18HJIWE 950011502

    4.6 kW · SEER 6.1 · 264 kWh/yr
    €75/year
48. 1098A++
    Mitsubishi Electric PKA-M60KA2 / PUHZ-ZRP50VKA2

    5 kW · SEER 6.6 · 264 kWh/yr
    €75/year
49. 1099A++
    Daikin FDXM35F3V1B9 / FTXM42R5V1B / 2MXM50A2V1B9

    5 kW · SEER 6.6 · 264 kWh/yr
    €75/year
50. 1100A++
    Daikin FBA60A2VEB9 / RZAG50A2V1B

    5 kW · SEER 6.6 · 264 kWh/yr
    €75/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