Most energy-efficient air conditioners, 5.1–7 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €53 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 174 · A+ 263 · A++ 3,540 · A+++ 451 · B 25 · C 1 · D 1

1. 3701A
   Fujitsu AOYG24LAT3/ASYG07LMCA/ASYG07LMCA/ASYG09LMCA (2019 registration)

   6.8 kW · SEER 6.4 · 372 kWh/yr
   €105/year
2. 3702A
   General AOHG24LAT3/ASHG07LMCA/ASHG07LMCA/ASHG09LMCA

   6.8 kW · SEER 6.4 · 372 kWh/yr
   €105/year
3. 3703A++
   Arielli AAC-24CPHL (WI-FI)

   6.9 kW · SEER 6.5 · 372 kWh/yr
   €105/year
4. 3704A++
   Daitsu DS-24UIDN(WD)_DOS-24UIDN(WD)

   6.7 kW · SEER 6.3 · 373 kWh/yr
   €106/year
5. 3705A+
   Hiyasu HS-24UIHN(W)_HOS-24UIHN(W)

   6.7 kW · SEER 6.3 · 373 kWh/yr
   €106/year
6. 3706A++
   Electrolux EXI22HJIWE 950001986

   6.7 kW · SEER 6.3 · 373 kWh/yr
   €106/year
7. 3707A+
   Hitachi RAM-53NYP3E / RAD-60RPE

   6 kW · SEER 5.6 · 373 kWh/yr
   €106/year
8. 3708A+
   Hitachi RAM-68NP3B / RAK-18RPB + RAF-25RXB + RAF-25RXB

   6.8 kW · SEER 6.4 · 373 kWh/yr
   €106/year
9. 3709A++
   Arielli AAF-H24A5/AQDR1DI-EU

   6.5 kW · SEER 6.1 · 373 kWh/yr
   €106/year
10. 3710A++
    Baxi Spa 7711435 - UE MONO LC 24000 RZGT70 R32

    7 kW · SEER 6.5 · 373 kWh/yr
    €106/year
11. 3711A++
    De Dietrich 7723191 - EMSCA 70

    7 kW · SEER 6.6 · 373 kWh/yr
    €106/year
12. 3712A++
    Electrolux EACS/I-24HEF/N8 EEC

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
13. 3713A++
    Carrier 38WHSS071ATA0TEE+40WHSW071DTA0TEE

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
14. 3714A++
    Inventor L3VI-24/L3VO-24

    6.7 kW · SEER 6.3 · 373 kWh/yr
    €106/year
15. 3715A++
    Inventor T3HVI-24/T3HVO-24

    6.6 kW · SEER 6.2 · 373 kWh/yr
    €106/year
16. 3716A++
    Sinclair ASH-24AIZ

    6.7 kW · SEER 6.3 · 373 kWh/yr
    €106/year
17. 3717A++
    VOX Electronics FST 24 AQD

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
18. 3718A++
    AUX-24QG

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
19. 3719A++
    AUX ALCA-H24NDR3HAA

    7 kW · SEER 6.5 · 373 kWh/yr
    €106/year
20. 3720A++
    Rotenso I21Xi R14*3/H60Xm3 R15

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
21. 3721A++
    Toyotomi OTN-24Q25INV/OTG-24Q25INV

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
22. 3722A++
    Kerosun KCA25-24IVi/KCA25-24IVo

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
23. 3723A++
    Costway FP11205DE/ASW-H24F7C4/JAR3DI-B9

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
24. 3724A++
    Toshiba Carrier Corporation RAS-24BAVG-E+RAS-24BKVG-E

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
25. 3725A++
    NOBU NOBI-24WFI/NOBO-24

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
26. 3726A+
    Emmeti XECO-2415

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
27. 3727A++
    Nuvelle Cirrus NC24I/NC24O Wifi

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
28. 3728A++
    Inventor FUTI-24WFI/FUTO-24

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
29. 3729A++
    Gymax KU66750IJ-BM+FR

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
30. 3730A++
    Lifezeal NX99083LM-EP+DE

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
31. 3731A++
    Relax4Life JT55649HI-AL+ES

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
32. 3732A++
    Ferroli NCS 24 3.2

    7 kW · SEER 6.5 · 373 kWh/yr
    €106/year
33. 3733A++
    GREE GWH24QE-K3DNA1G

    6.7 kW · SEER 6.3 · 373 kWh/yr
    €106/year
34. 3734A++
    Lamborghini Caloreclima NCS 24 3.2

    7 kW · SEER 6.5 · 373 kWh/yr
    €106/year
35. 3735A++
    Auratsu GKWT-24RAA1/GKOT-24RAA1

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
36. 3736A++
    Aufit FA24K

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
37. 3737A++
    OEM S071OEM5E

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
38. 3738A++
    Skyluxe SKY-S071ECO2ER32

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
39. 3739A++
    Kawair KW24WF2-R32

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
40. 3740A++
    HTWS071IX69B

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
41. 3741A++
    Garvee FAC-24K

    6.5 kW · SEER 6.1 · 373 kWh/yr
    €106/year
42. 3742A
    Hitachi RAS-2.5HVNP1 - RPK-2.5FSN3M

    5.6 kW · SEER 5.2 · 374 kWh/yr
    €106/year
43. 3743A++
    Daikin FVA71AMVEB / RZAG71M7Y1B

    6.8 kW · SEER 6.4 · 374 kWh/yr
    €106/year
44. 3744A++
    LG WZ24AAN SNU1 / WZ24AAU SUU1

    6.9 kW · SEER 6.5 · 374 kWh/yr
    €106/year
45. 3745A+
    Fujitsu AOYG22KATA/ABYG22KRTA

    6 kW · SEER 5.6 · 375 kWh/yr
    €106/year
46. 3746A+
    Bosch 7739832246

    6.2 kW · SEER 5.8 · 375 kWh/yr
    €106/year
47. 3747A+
    Hitachi RAM-68NP3B / RAK-18RPB + RAF-50RXB

    6.8 kW · SEER 6.3 · 375 kWh/yr
    €106/year
48. 3748A+
    Fuji Electric ROG22KATA/RYG22KRTA

    6 kW · SEER 5.6 · 375 kWh/yr
    €106/year
49. 3749A+
    Mitsubishi Heavy Industries SCM60ZM-S1_SRK25ZSX-S_SRK35ZSX-S

    6 kW · SEER 5.7 · 375 kWh/yr
    €106/year
50. 3750A+
    Panasonic CS-Z60UD3EAW / CU-Z60UBEA

    6 kW · SEER 5.6 · 375 kWh/yr
    €106/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