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. 1201A+
   General AOHG14LALL/ARHG14LSLAP

   4.3 kW · SEER 5.6 · 269 kWh/yr
   €76/year
2. 1202A
   Fujitsu AOYG14LALL/ARYG14LSLAP (2019 registration)

   4.3 kW · SEER 5.6 · 269 kWh/yr
   €76/year
3. 1203A+
   General AOHG14KATA/ARXG14KLLAP

   4.3 kW · SEER 5.6 · 269 kWh/yr
   €76/year
4. 1204A++
   Qlima SC 3448

   4.7 kW · SEER 6.1 · 269 kWh/yr
   €76/year
5. 1205A++
   GES-NJGW35IN-20 / GES-NJGW35IN-20 / GEM-NM50OUT M-20

   5 kW · SEER 6.5 · 269 kWh/yr
   €76/year
6. 1206A++
   HEC HSU-12TK1/R32(DB)-INM / HSU-12TK1/R32(DB)-INM / H2SU-18TK1/R2(DB)-OUT

   5 kW · SEER 6.5 · 269 kWh/yr
   €76/year
7. 1207A++
   Daikin FTXF50F5V1B / RXF50F5V1B

   5 kW · SEER 6.5 · 269 kWh/yr
   €76/year
8. 1208A++
   Daikin FTXP20M5V1B9 / FDXM50F3V1B9 / 2MXM50A2V1B9

   5 kW · SEER 6.5 · 269 kWh/yr
   €76/year
9. 1209A++
   Thermor 872174

   5 kW · SEER 6.5 · 269 kWh/yr
   €76/year
10. 1210A++
    Atlantic 872161

    5 kW · SEER 6.5 · 269 kWh/yr
    €76/year
11. 1211A++
    Thermor 872937

    5 kW · SEER 6.5 · 269 kWh/yr
    €76/year
12. 1212A++
    Bosch 7733704675

    5 kW · SEER 6.9 · 269 kWh/yr
    €76/year
13. 1213A++
    Buderus 7733704677

    5 kW · SEER 6.9 · 269 kWh/yr
    €76/year
14. 1214A++
    Mitsubishi Heavy Industries SRC50ZSX-W3_SRR50ZS-W

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
15. 1215A++
    Hitachi RAS-2HVNP1 - RCI-2.0FSN3

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
16. 1216A
    Hitachi RAS-2HVNP1 / RCI-2.0FSN3

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
17. 1217A++
    Daikin FCAG50AVEB / RXS50L2V1B

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
18. 1218A++
    Daikin CTXM15N2V1B / FDXM50F3V1B9 / 2MXM50M3V1B9

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
19. 1219A++
    Daikin FTXP20K3V1B / FDXM50F3V1B / 2MXM50M2V1B9

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
20. 1220A++
    Mitsubishi Heavy Industries DXC18Z7-W_DXK18Z7-W

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
21. 1221A++
    Mitsubishi Heavy Industries SRC50ZSX-S_FDTC50VH

    5 kW · SEER 6.5 · 270 kWh/yr
    €76/year
22. 1222A++
    WIDE WDS18IUL5ECO-R32

    5 kW · SEER 6.1 · 271 kWh/yr
    €77/year
23. 1223A++
    Mitsubishi Electric PEAD-M50JAL / SUZ-M50VA

    5 kW · SEER 6.4 · 271 kWh/yr
    €77/year
24. 1224A++
    Daikin ATXS50K3V1B / ARXS50L2V1B

    5 kW · SEER 6.5 · 271 kWh/yr
    €77/year
25. 1225A++
    Daikin ATXF50F5V1B / ARXF50F5V1B

    5 kW · SEER 6.5 · 271 kWh/yr
    €77/year
26. 1226A++
    Daikin FCAG50BVEB / RXM50A5V1B8

    5 kW · SEER 6.5 · 271 kWh/yr
    €77/year
27. 1227A++
    Daikin FFA60A2VEB9 / RZAG50A2V1B

    5 kW · SEER 6.4 · 272 kWh/yr
    €77/year
28. 1228A++
    Nuvelle NPL 18INV

    5 kW · SEER 6.4 · 272 kWh/yr
    €77/year
29. 1229A+
    Mitsubishi Heavy Industries SCM45ZS-S_SRK20ZS-S_SRK25ZS-S

    4.5 kW · SEER 5.8 · 272 kWh/yr
    €77/year
30. 1230A++
    NOBU NBTRB-VI32-18WFR/NBTRB-VO32-18

    5 kW · SEER 6.4 · 272 kWh/yr
    €77/year
31. 1231A++
    AUX ASW-H18B4/FWR3DI-EU

    5 kW · SEER 6.4 · 272 kWh/yr
    €77/year
32. 1232A++
    ARGO GREENSTYLE MONO 18000

    5 kW · SEER 6.4 · 272 kWh/yr
    €77/year
33. 1233A++
    Samsung AC052RNCDKG/AC052RXADKG

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
34. 1234A++
    LG UUB1 U20/CM18F N10withdrawn

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
35. 1235A++
    LG UUB1 U20/CT18F NQ0withdrawn

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
36. 1236A++
    Mitsubishi Electric PEAD-M50JA2 / PUZ-ZM50VKA2

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
37. 1237A++
    Daikin FDXM35F3V1B / FDXM35F3V1B / 2MXM50M2V1B9

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
38. 1238A++
    Daikin FDXM35F3V1B9 / FDXM35F3V1B9 / 2MXM50A2V1B9

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
39. 1239A++
    Daikin FDXM35F3V1B9 / FDXM50F3V1B9 / 2MXM50A2V1B9

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
40. 1240A++
    Panasonic CS-Z50UB4EAW / CU-Z50UBEA

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
41. 1241A++
    Panasonic S-50PY2E5B / U-50PZH2E5

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
42. 1242A++
    Panasonic S-50PT2E5A / U-50PE1E5

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
43. 1243A++
    Hisense ACT52UR4RCC8 / AUW52U4RS7

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
44. 1244A++
    Rotenso AN50Xi R16/AN50Xo R16

    5 kW · SEER 6.1 · 273 kWh/yr
    €77/year
45. 1245A++
    Klimatsu KDAR-51-H1

    5 kW · SEER 6.1 · 273 kWh/yr
    €77/year
46. 1246A++
    Cecotec EU01_121025

    5 kW · SEER 6.1 · 273 kWh/yr
    €77/year
47. 1247A+++
    AUX ASW-H18E3/ Q SERIES-EU

    3.9 kW · SEER 6.8 · 273 kWh/yr
    €77/year
48. 1248A++
    AIRE18WE-CST2/AIRE18WC-S2

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
49. 1249A++
    FREEO50WE-CST2/FREEO50WC-2

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/year
50. 1250A++
    Mitsubishi Electric PEAD-M50JA3 / PUZ-ZM50VKA3

    5 kW · SEER 6.4 · 273 kWh/yr
    €77/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