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. 701A++
   Haier AS25RBAHRA-RE / AS25RBAHRA-RE / 2U40S2SM1FA

   4 kW · SEER 6.2 · 226 kWh/yr
   €64/year
2. 702A++
   Haier AS25RBAHRA-RE / AS35RBAHRA-RE / 2U40S2SM1FA

   4 kW · SEER 6.2 · 226 kWh/yr
   €64/year
3. 703A++
   Mitsubishi Electric MXZ-2DM40VA-E1 / MSZ-DM25VA + MSZ-DM25VA

   4 kW · SEER 6.1 · 226 kWh/yr
   €64/year
4. 704A++
   HEC HSU-09TK1/R32(DB)-INM / HSU-12TK1/R32(DB)-INM / H2SU-14TK1/R2(DB)-OUT

   4 kW · SEER 6.2 · 226 kWh/yr
   €64/year
5. 705A++
   GES-NJGW25IN-20 / GES-NJGW35IN-20 / GEM-NM40OUT M-20

   4 kW · SEER 6.2 · 226 kWh/yr
   €64/year
6. 706A++
   Mitsubishi Electric MSZ-HR42VFK2 / MUZ-HR42VF2

   4.2 kW · SEER 6.5 · 226 kWh/yr
   €64/year
7. 707A++
   Thermor 872946

   4 kW · SEER 6.2 · 226 kWh/yr
   €64/year
8. 708A++
   GREE GWHD(14)NK6OO+GWH07QB-K6DNA6E/Ix2

   4.1 kW · SEER 6.3 · 227 kWh/yr
   €64/year
9. 709A++
   Toyotomi TRN-2122ZRx2/MULR32-14INV-2

   4.1 kW · SEER 6.3 · 227 kWh/yr
   €64/year
10. 710A++
    Cooper&Hunter CHML-U14RK2-NG

    4.1 kW · SEER 6.3 · 227 kWh/yr
    €64/year
11. 711A++
    ARGO DUAL 14 DCI R32

    4.1 kW · SEER 6.3 · 227 kWh/yr
    €64/year
12. 712A++
    Daikin FDXM25F3V1B / FDXM35F3V1B / 2MXM40M3V1B

    4 kW · SEER 6.2 · 228 kWh/yr
    €65/year
13. 713A++
    Daikin ATXF42C5V1B / ARXF42C5V1B

    4.2 kW · SEER 6.5 · 228 kWh/yr
    €65/year
14. 714A++
    Daikin ATXF42E5V1B / ARXF42D5V1B

    4.2 kW · SEER 6.5 · 228 kWh/yr
    €65/year
15. 715A++
    Rotenso T21Xi R15*2/H40Xm2 R15

    4.1 kW · SEER 6.3 · 228 kWh/yr
    €65/year
16. 716A++
    Bosch 7733705476

    4.1 kW · SEER 6.3 · 228 kWh/yr
    €65/year
17. 717A++
    Daikin ATXM50A2V1B / ARXM50A5V1B

    5 kW · SEER 7.7 · 229 kWh/yr
    €65/year
18. 718A++
    Fujitsu AOYG14LVLA/AGYG14LVCA (2021 registration)

    4.2 kW · SEER 6.4 · 230 kWh/yr
    €65/year
19. 719A++
    Panasonic CS-TZ42WKEW / CU-TZ42WKE

    4.2 kW · SEER 6.4 · 230 kWh/yr
    €65/year
20. 720A++
    Samsung AC052RN4DKG/AC052RXADKG

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
21. 721A++
    LG UUB1 U20/UV18FH N10withdrawn

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
22. 722A++
    LG UUB1 U20/UT18FH NB0withdrawn

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
23. 723A++
    Panasonic CS-TZ42ZKEW / CU-TZ42ZKE

    4.2 kW · SEER 6.4 · 230 kWh/yr
    €65/year
24. 724A++
    Mitsubishi Electric MSZ-LN50VG2W / MUZ-LN50VGHZ

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
25. 725A++
    Mitsubishi Electric PLA-ZM50EA2 / PUZ-ZM50VKA2

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
26. 726A++
    Mitsubishi Electric MSZ-RW50VG / MUZ-RW50VGHZ

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
27. 727A++
    Fuji Electric ROG14LVLA/RGG14LVCA

    4.2 kW · SEER 6.4 · 230 kWh/yr
    €65/year
28. 728A++
    Mitsubishi Electric MSZ-RZ50VU / MUZ-RZ50VUHZ

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
29. 729A++
    Mitsubishi Heavy Industries SRC40ZSX-W1_FDUM40VH

    4 kW · SEER 6.2 · 230 kWh/yr
    €65/year
30. 730A++
    Panasonic S-50PK2E5B / U-50PZH2E5

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
31. 731A++
    Hisense 2AMW52U4RXC

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
32. 732A++
    Fisher FS2MIF-142AE2

    4 kW · SEER 6.1 · 230 kWh/yr
    €65/year
33. 733A
    General AOHG14LVLA/AGHG14LVCA

    4.2 kW · SEER 6.4 · 230 kWh/yr
    €65/year
34. 734A
    Fujitsu AOYG14LVLA/AGYG14LVCA (2019 registration)

    4.2 kW · SEER 6.4 · 230 kWh/yr
    €65/year
35. 735A++
    Becken BAC9603

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
36. 736A++
    AIRE COND18W2 2X AIRE12EV-TD-WIFI

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
37. 737A++
    FREEO COND50W2 MULTI 2X1 2X FREEO25EV-TT WR

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
38. 738A++
    Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-RM561UTP-E

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
39. 739A++
    Electroline EDHE53D2+(2x)IUD263HKAW

    5 kW · SEER 7.6 · 230 kWh/yr
    €65/year
40. 740A++
    Fujitsu AOYG14KBTB/AUXG14KVLA

    4.3 kW · SEER 6.5 · 231 kWh/yr
    €65/year
41. 741A++
    Fuji Electric ROG14KBTB/RCG14KVLA

    4.3 kW · SEER 6.5 · 231 kWh/yr
    €65/year
42. 742A++
    General AOHG14KBTB/AUXG14KVLA

    4.3 kW · SEER 6.5 · 231 kWh/yr
    €65/year
43. 743A++
    Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-RM561KRTP-E

    5 kW · SEER 7.6 · 231 kWh/yr
    €65/year
44. 744A++
    Mitsubishi Electric MSZ-AY50VGKP / MUZ-AY50VG

    5 kW · SEER 7.5 · 232 kWh/yr
    €66/year
45. 745A++
    Mitsubishi Electric MSZ-AY50VGKP / MUZ-AY50VGH

    5 kW · SEER 7.5 · 232 kWh/yr
    €66/year
46. 746A++
    Daikin FTXM60R2V1B / RZAG50A2V1B

    5 kW · SEER 7.5 · 232 kWh/yr
    €66/year
47. 747A++
    Mitsubishi Electric MSZ-AY50VGKP2 / MUZ-AY50VG2

    5 kW · SEER 7.5 · 232 kWh/yr
    €66/year
48. 748A++
    Mitsubishi Electric MSZ-AY50VGKP2 / MUZ-AY50VGH2

    5 kW · SEER 7.5 · 232 kWh/yr
    €66/year
49. 749A++
    Daikin FTXM50A2V1B / RXM50A5V1B8

    5 kW · SEER 7.6 · 232 kWh/yr
    €66/year
50. 750A++
    Daikin FTXM50R2V1B / RXM50A5V1B8

    5 kW · SEER 7.6 · 232 kWh/yr
    €66/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