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. 651A++
   Kalor MTX12HP24KA

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
2. 652A++
   Krone MTX12HP24KR

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
3. 653A++
   Suntech MTX12HP24ST

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
4. 654A++
   YAMA MTX12HP24YA

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
5. 655A++
   Tepor MTX12HP24TP

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
6. 656A++
   Ferroli AMBRA 12

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
7. 657A++
   TEKA TKAFB-12HRDN8-RD0 / TKO-12HFN8-RD0

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
8. 658A++
   KoolKing CF-KK12A IU - CF-KK12A OU

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
9. 659A++
   ELCO RIGEON ECO 35

   3.6 kW · SEER 6.1 · 221 kWh/yr
   €63/year
10. 660A++
    Mitsubishi Heavy Industries SCM40ZS-S_SRK20ZSX-Sx2

    4 kW · SEER 6.4 · 222 kWh/yr
    €63/year
11. 661A++
    Panasonic CS-XZ50TKEW / CU-Z50TKE

    5 kW · SEER 7.9 · 222 kWh/yr
    €63/year
12. 662A++
    Fujitsu AOEH18KACB2/ASEH09KLTBL/ASEH09KLTBL

    5 kW · SEER 7.9 · 222 kWh/yr
    €63/year
13. 663A++
    General AOHH18KACB2/ASHH09KLTBL/ASHH09KLTBL

    5 kW · SEER 7.9 · 222 kWh/yr
    €63/year
14. 664A++
    Aldes T.One® AIR 04 R32

    4 kW · SEER 6.2 · 223 kWh/yr
    €63/year
15. 665A++
    Daikin FTXF25A5V1B / FTXF25A5V1B / 2MXF50A2V1B

    5 kW · SEER 7.9 · 223 kWh/yr
    €63/year
16. 666A++
    Daikin FDXM25F3V1B / FDXM25F3V1B / 2MXM40M3V1B

    4 kW · SEER 6.3 · 223 kWh/yr
    €63/year
17. 667A++
    Panasonic CS-E15SKEW-M / CU-E15SKE

    4.2 kW · SEER 6.6 · 223 kWh/yr
    €63/year
18. 668A++
    Daikin CTXF25F5V1B / CTXF25F5V1B / 2MXF50A2V1B

    5 kW · SEER 7.9 · 223 kWh/yr
    €63/year
19. 669A++
    Panasonic CS-TZ42CKEW / CU-TZ42CKE

    4.2 kW · SEER 6.6 · 223 kWh/yr
    €63/year
20. 670A++
    Daikin FTXF25F5V1B / FTXF25F5V1B / 2MXF50B2V1B

    5 kW · SEER 7.9 · 223 kWh/yr
    €63/year
21. 671A++
    GREE GWH18ATDXB-K6DNA1A

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
22. 672A++
    Azuri AZI-WN50VA/I - AZI-WN50VA/O

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
23. 673A++
    Gorenje TITAN53 CJ

    5 kW · SEER 7.8 · 224 kWh/yr
    €63/year
24. 674A++
    Daikin FTXM50A2V1B / RXM50A5V1B

    5 kW · SEER 7.8 · 224 kWh/yr
    €63/year
25. 675A++
    Emmeti X-REVO-1419DE X-REVO-0919W + X-REVO-0919W

    4.1 kW · SEER 6.4 · 224 kWh/yr
    €63/year
26. 676A++
    Emmeti X-REVO-1419DE X-REVO-09-1219X

    4.1 kW · SEER 6.4 · 224 kWh/yr
    €63/year
27. 677A++
    Mitsubishi Heavy Industries SRC50ZSX-S_FDT50VH

    5 kW · SEER 7.9 · 224 kWh/yr
    €63/year
28. 678A++
    Hisense KA50BS0EG / KA50BS0EW

    5 kW · SEER 7.8 · 224 kWh/yr
    €63/year
29. 679A+++
    Ekokai DPA50FHX

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
30. 680A++
    AlpicAir AWI-51HRDC1F AWO-51HRDC1F

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
31. 681A++
    Eca Technology SKWI1824GHP-32

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
32. 682A++
    Cooper&Hunter CH-S18FTXF6

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
33. 683A++
    Toyotomi UTN-17CH/UTG-17CH

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
34. 684A++
    Sinclair SIH+SOH-18BIB

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
35. 685A++
    Aermec SBG500W SBG500

    4.6 kW · SEER 7.2 · 224 kWh/yr
    €63/year
36. 686A++
    Mitsubishi Electric MXZ-2HA50VF / MSZ-HR25VF + MSZ-HR25VF

    5 kW · SEER 7.7 · 225 kWh/yr
    €64/year
37. 687A++
    Mitsubishi Electric MXZ-2HA50VF2 / MSZ-HR25VF + MSZ-HR25VF

    5 kW · SEER 7.8 · 225 kWh/yr
    €64/year
38. 688A++
    Thermor 872936

    4 kW · SEER 6.2 · 225 kWh/yr
    €64/year
39. 689A++
    Haier AS25S2SF1FA-3 / AS35S2SF1FA-3 / 2U40S2SM1FA

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
40. 690A++
    Candy CY-09RAIN-M+CY-12RAIN-M / CY-2T14AOUT

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
41. 691A++
    Candy CY-09QBIN+CY-12QBIN / CY-2M14AOUT

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
42. 692A++
    Candy CY-09TAIN-M+CY-12TAIN-M / CY-2T14AOUT

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
43. 693A++
    Candy CY-09FAIN+CY-12FAIN / CY-2M14AOUT

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
44. 694A++
    Haier AS25PBPHRA-PRE / AS25PBPHRA-PRE / 2U40S2SM1FA

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
45. 695A++
    Haier AS25PBPHRA-PRE / AS35PBPHRA-PRE / 2U40S2SM1FA

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
46. 696A++
    Haier AS20PBAHRA / AS20PBAHRA / 2U40S2SM1FA

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
47. 697A++
    Mitsubishi Electric MSZ-HR42VF / MUZ-HR42VF

    4.2 kW · SEER 6.5 · 226 kWh/yr
    €64/year
48. 698A++
    Daikin FTXF42C5V1B / RXF42C5V1B

    4.2 kW · SEER 6.5 · 226 kWh/yr
    €64/year
49. 699A++
    Candy CY-09QBIN / CY-12QBIN / CY-2M14AOUT

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/year
50. 700A++
    Candy CY-12RAIN-MA / CY-12RAIN-MA / CY-2T14AOUT-A

    4 kW · SEER 6.2 · 226 kWh/yr
    €64/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