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. 851A
   Daitsu AKD-12AFDN

   3.7 kW · SEER 5.4 · 240 kWh/yr
   €68/year
2. 852A++
   Daikin FTXP50M2V1B / RXP50M2V1B

   5 kW · SEER 7.3 · 240 kWh/yr
   €68/year
3. 853A++
   Daikin ATXP25L2V1B / ATXP35L2V1B / 2AMXM50M4V1B

   5 kW · SEER 7.3 · 240 kWh/yr
   €68/year
4. 854A++
   Daikin ATXP25K3V1B / ATXP35K3V1B / 2AMXM50M3V1B

   5 kW · SEER 7.3 · 240 kWh/yr
   €68/year
5. 855A++
   Daikin FVXM50A2V1B / RXM50R2V1B

   5 kW · SEER 7.3 · 240 kWh/yr
   €68/year
6. 856A++
   Daikin FVXM50A2V1B / RXM50R5V1B

   5 kW · SEER 7.3 · 240 kWh/yr
   €68/year
7. 857A
   Aermec FK360

   3.7 kW · SEER 5.4 · 240 kWh/yr
   €68/year
8. 858A
   Fisher FWI-120BE-R

   3.7 kW · SEER 5.4 · 240 kWh/yr
   €68/year
9. 859A
   Sinclair ASW-12BI

   3.7 kW · SEER 5.4 · 240 kWh/yr
   €68/year
10. 860A++
    Toshiba Carrier Corporation RAS-18J2AVRG-E+RAS-18J2KVRG-E

    5 kW · SEER 7.3 · 240 kWh/yr
    €68/year
11. 861A++
    Hobsand HOMC14912

    4.1 kW · SEER 6.1 · 240 kWh/yr
    €68/year
12. 862A++
    Ocelair OAMC14912

    4.1 kW · SEER 6.1 · 240 kWh/yr
    €68/year
13. 863A++
    Bosch 7733702385

    4.1 kW · SEER 6.1 · 240 kWh/yr
    €68/year
14. 864A++
    Buderus 7733702492

    4.1 kW · SEER 6.1 · 240 kWh/yr
    €68/year
15. 865A++
    Mitsubishi Electric MXZ-3HA50VF / MSZ-HR25VF + MSZ-HR25VF + MSZ-HR25VF

    5 kW · SEER 7.2 · 241 kWh/yr
    €68/year
16. 866A++
    Mitsubishi Electric MXZ-3HA50VF2 / MSZ-HR25VF + MSZ-HR25VF + MSZ-HR25VF

    5 kW · SEER 7.3 · 241 kWh/yr
    €68/year
17. 867A++
    Carrier 38WHSS042ATA0TEE+40WHSW042DTA0TEE

    4.2 kW · SEER 6.1 · 241 kWh/yr
    €68/year
18. 868A++
    Toshiba Carrier Corporation RAS-16J2AVG-E+RAS-B16J2KVG-E

    4.2 kW · SEER 6.1 · 241 kWh/yr
    €68/year
19. 869A++
    Toshiba Carrier Corporation RAS-16B2AVG-E+RAS-B16B2KVG-E

    4.2 kW · SEER 6.1 · 241 kWh/yr
    €68/year
20. 870A++
    Thermor 872189

    4.2 kW · SEER 6.1 · 241 kWh/yr
    €68/year
21. 871A+
    Panasonic CS-E7QKEW + CS-E9QKEW / CU-2E15SBE

    4.5 kW · SEER 6.5 · 242 kWh/yr
    €69/year
22. 872A++
    Emmeti X-REVO-1824DE X-REVO-09-12XXX

    4.9 kW · SEER 7.1 · 242 kWh/yr
    €69/year
23. 873A++
    Mitsubishi Electric PKA-M60KA2 / PUZ-ZM50VKA2

    4.6 kW · SEER 6.6 · 242 kWh/yr
    €69/year
24. 874A++
    Daikin ATXP25K3V1B / ATXM50M2V1B / 2AMXM50M3V1B

    5 kW · SEER 7.3 · 242 kWh/yr
    €69/year
25. 875A++
    Daikin ATXP25L21B / ATXM50N2V1B / 2AMXM50M4V1B

    5 kW · SEER 7.3 · 242 kWh/yr
    €69/year
26. 876A++
    Carrier 38WHSH050A1A0TEE+40WHHB050D1A0TEE

    5 kW · SEER 7.2 · 242 kWh/yr
    €69/year
27. 877A++
    Bosch 7733702386

    4.2 kW · SEER 6.1 · 242 kWh/yr
    €69/year
28. 878A++
    Mitsubishi Electric PKA-M60KA3 / PUZ-ZM50VKA3

    4.6 kW · SEER 6.6 · 242 kWh/yr
    €69/year
29. 879A++
    Toshiba Carrier Corporation RAS-18J2AVSG-E+RAS-18J2KVSG-E

    5 kW · SEER 7.3 · 242 kWh/yr
    €69/year
30. 880A++
    Toshiba Carrier Corporation RAS-18J2AVSG-E1+RAS-B18G3KVSGB-E

    5 kW · SEER 7.2 · 242 kWh/yr
    €69/year
31. 881A++
    Fujitsu AOYG14KBTB/ARXG14KHTAP

    4.3 kW · SEER 6.2 · 243 kWh/yr
    €69/year
32. 882A
    Hitachi RAC-50WPB / RAK-50RPB

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
33. 883A
    Hitachi RAC-50WXB / RAK-50PXB

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
34. 884A+
    Hitachi RAC-50WPC / RAK-50RPC

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
35. 885A++
    Mitsubishi Electric MSZ-FT50VG / MUZ-FT50VGHZ

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
36. 886A++
    Daikin ATXP20K3V1B / ATXM50M2V1B / 2AMXM50M3V1B

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
37. 887A++
    Daikin ATXP35K3V1B / ATXP35K3V1B / 2AMXM50M3V1B

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
38. 888A++
    Daikin ATXP35L2V1B / ATXP35L2V1B / 2AMXM50M4V1B

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
39. 889A++
    Daikin ATXP20L2V1B / ATXM50N2V1B / 2AMXM50M4V1B

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
40. 890A++
    Fuji Electric ROG14KBTB/RDG14KHTAP

    4.3 kW · SEER 6.2 · 243 kWh/yr
    €69/year
41. 891A++
    Samsung AR60F18C1AWN/AR60F18C1AWX

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
42. 892A++
    Hisense ACT52UR4RJC8 / AUW52U4RJ8

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
43. 893A++
    General AOHG14KBTB/ARXG14KHTAP

    4.3 kW · SEER 6.2 · 243 kWh/yr
    €69/year
44. 894A++
    Daikin FVXM50B2V1B / RXM50A5V1B8

    5 kW · SEER 7.2 · 243 kWh/yr
    €69/year
45. 895A++
    Atlantic 892616

    4.6 kW · SEER 7.5 · 243 kWh/yr
    €69/year
46. 896A++
    GREE GWH18AGD-K6DNA1A

    4.6 kW · SEER 6.6 · 244 kWh/yr
    €69/year
47. 897A++
    Mitsubishi Electric PKA-M50LA / PUZ-ZM50VKA

    4.6 kW · SEER 6.6 · 244 kWh/yr
    €69/year
48. 898A++
    Hitachi RAC-50NPE / RAK-50RPE1

    5 kW · SEER 7.2 · 245 kWh/yr
    €69/year
49. 899A++
    Daikin ATXP35K3V1B / ATXM50M2V1B / 2AMXM50M3V1B

    5 kW · SEER 7.2 · 245 kWh/yr
    €69/year
50. 900A++
    Daikin ATXP35L2V1B / ATXM50N2V1B / 2AMXM50M4V1B

    5 kW · SEER 7.2 · 245 kWh/yr
    €69/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