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. 801A++
   Nørdis / Nordis FMA-14I2HD/DVO

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
2. 802A+
   Emmeti XECO-1415DE XECO-09-12XXX

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
3. 803A+
   Emmeti XECO-1415DE XECO-09-09XXX

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
4. 804A+
   Emmeti XECO-1415DE XECO-07-07XXX

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
5. 805A++
   Rotenso TA26Xi R17*2 / HN40Xm2 R15

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
6. 806A++
   Rotenso ES26Xi R17*2 / HN40Xm2 R15

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
7. 807A++
   ARGO ECOLIGHT DUAL 14000

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
8. 808A++
   Green Electric GREEN.E200 GREEN ELECTRIC DUAL 14

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
9. 809A++
   Storm ST16736 STORM MITE DUAL KW 4,1 R32

   4.1 kW · SEER 6.1 · 235 kWh/yr
   €67/year
10. 810A++
    Buderus 7733705489

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
11. 811A++
    Electrolux EACO/I-14 FMI-2/N8_ERP EEC EACS/I-09 HE FMI/N8_ERP/in EEC x2

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
12. 812A++
    TCL MT1420

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
13. 813A++
    ArctX 2ARX41A1

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
14. 814A++
    Techlife TFCF40DUALWE+TFCFMULTI9WI+TFCFMULTI12WI

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
15. 815A++
    Bosch 7733705477

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
16. 816A++
    Ariston DUAL 40 DUC R32_U-I N 9+9

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
17. 817A++
    Ariston DUAL 40 PRIOS NET_UB1-I 9+9

    4.1 kW · SEER 6.1 · 235 kWh/yr
    €67/year
18. 818A++
    Mitsubishi Electric MSZ-AP50VG / MUZ-AP50VG

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
19. 819A++
    Mitsubishi Electric MSZ-AP50VG / MUZ-AP50VGH

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
20. 820A++
    Daikin FTXM50N2V1B / RXM50N2V1B9

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
21. 821A++
    Daikin FTXM50N2V1B / RZAG50A2V1B

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
22. 822A++
    Daikin FTXM50R2V1B / RXM50R2V1B

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
23. 823A++
    Daikin FTXM50A2V1B / RZAG50A2V1B

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
24. 824A++
    Hisense QH50BV0AG/AS50BV0EW

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
25. 825A++
    Daikin ATXM50A5V1B / ARXM50A5V1B8

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
26. 826A++
    Hitachi RAS-2HVRC3 - RCI-2.0FSR(1)

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
27. 827A++
    Daikin ATXM50R2V1B / ARXM50A5V1B8

    5 kW · SEER 7.4 · 236 kWh/yr
    €67/year
28. 828A++
    Bosch 7733702387

    4.1 kW · SEER 6.1 · 236 kWh/yr
    €67/year
29. 829A++
    Buderus 7733703982

    4.1 kW · SEER 6.1 · 236 kWh/yr
    €67/year
30. 830A+
    Panasonic CS-MRE7RKE + CS-RE9RKEW / CU-2RE15SBE

    4.4 kW · SEER 6.5 · 237 kWh/yr
    €67/year
31. 831A++
    Panasonic S-3650PT3E / U-50PZ3E5

    5 kW · SEER 7.4 · 237 kWh/yr
    €67/year
32. 832A++
    Panasonic S-3650PT3E / U-50PZH3E5

    5 kW · SEER 7.4 · 237 kWh/yr
    €67/year
33. 833A++
    Daikin FTXP20K3V1B / FDXM25F3V1B / 2MXM50M2V1B9

    4.5 kW · SEER 6.7 · 237 kWh/yr
    €67/year
34. 834A++
    Mitsubishi Heavy Industries SCM50ZS-W_SRK20ZS-Wx3

    5 kW · SEER 7.4 · 237 kWh/yr
    €67/year
35. 835A++
    Daikin FTXP20M5V1B9 / FDXM25F3V1B9 / 2MXM50A2V1B9

    4.5 kW · SEER 6.7 · 237 kWh/yr
    €67/year
36. 836A++
    Mitsubishi Heavy Industries SCM50ZS-W_SRK25ZS-WFx3

    5 kW · SEER 7.4 · 237 kWh/yr
    €67/year
37. 837A++
    Panasonic S-50PY3E / U-50PZ3E5

    5 kW · SEER 7.3 · 238 kWh/yr
    €67/year
38. 838A++
    Hitachi RAC-50WPE / RAK-50RPE

    5 kW · SEER 7.4 · 238 kWh/yr
    €67/year
39. 839A++
    Daikin ATXM50N2V1B / ARXM50N2V1B9

    5 kW · SEER 7.4 · 238 kWh/yr
    €67/year
40. 840A++
    Daikin FTXM50N2V1B / RXM50N2V1B

    5 kW · SEER 7.3 · 239 kWh/yr
    €68/year
41. 841A++
    Daikin FTXA50A2V1BS / RXA50A2V1B

    5 kW · SEER 7.3 · 239 kWh/yr
    €68/year
42. 842A++
    Daikin FTXJ50MV1BS / RXJ50N2V1B

    4.8 kW · SEER 7 · 239 kWh/yr
    €68/year
43. 843A++
    Daikin ATXM50M2V1B / ARXM50N2V1B9

    5 kW · SEER 7.3 · 239 kWh/yr
    €68/year
44. 844A++
    Daikin ATXP25K3V1B / ATXP25K3V1B / 2AMXM50M3V1B

    5 kW · SEER 7.3 · 239 kWh/yr
    €68/year
45. 845A++
    Daikin ATXP20L2V1B / ATXP35L2V1B / 2AMXM50M4V1B

    5 kW · SEER 7.3 · 239 kWh/yr
    €68/year
46. 846A++
    Daikin FTXJ50A2V1BS / RXJ50A2V1B

    5 kW · SEER 7.3 · 239 kWh/yr
    €68/year
47. 847A+
    Emmeti XECO-1815DE XECO-07-07XXX

    4.2 kW · SEER 6.2 · 239 kWh/yr
    €68/year
48. 848A++
    Haier AC50S2SG1FA / 1U50S2SJ2FA

    5 kW · SEER 7.3 · 240 kWh/yr
    €68/year
49. 849A++
    comfee MSAF5-18HRDN8-QE

    4.6 kW · SEER 6.7 · 240 kWh/yr
    €68/year
50. 850A
    AirBlue AK 36 M

    3.7 kW · SEER 5.4 · 240 kWh/yr
    €68/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