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. 501A++
   Haier AS50S2SN1FA-NRC / 1U50S2SQ1FA-NR

   5.2 kW · SEER 7.4 · 246 kWh/yr
   €70/year
2. 502A+++
   Baxi Spa MHGT70-S(7885141)+MHGNW70(7885140)

   6.1 kW · SEER 8.7 · 246 kWh/yr
   €70/year
3. 503A+++
   Sanden Intercool Italy Srl SND-24AON-ID / SND-24AON-OD

   6.1 kW · SEER 8.7 · 246 kWh/yr
   €70/year
4. 504A+++
   AUX ASW-H24F7/F SERIES

   6.1 kW · SEER 8.7 · 246 kWh/yr
   €70/year
5. 505A+++
   Vesser ARX24D/RX24D

   6.1 kW · SEER 8.7 · 246 kWh/yr
   €70/year
6. 506A+++
   Naitec SP70HWXK

   6.1 kW · SEER 8.7 · 246 kWh/yr
   €70/year
7. 507A++
   Mundoclima MUPR-18-H16

   5.2 kW · SEER 7.4 · 246 kWh/yr
   €70/year
8. 508A++
   comfee CF-CHR18 IU - CF-CHR18 OU

   5.2 kW · SEER 7.4 · 246 kWh/yr
   €70/year
9. 509A++
   Midea EF-18RD1 - MX3-18RD1-EF

   5.2 kW · SEER 7.4 · 246 kWh/yr
   €70/year
10. 510A++
    Eskimo ES-GP-18HRFN8-I / ES-GP-18HRFN8-O

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
11. 511A++
    Olimpia Splendid OS-SANQH18EI + OS-CANQH18EI

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
12. 512A++
    Inventor NRI-18WFI/NRO-18

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
13. 513A++
    Emelson EML18EPRO4

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
14. 514A++
    HTWS052IX21E-R32

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
15. 515A++
    Vivax ACP-18CH50AEMI PRO R32

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
16. 516A++
    Kaisai KKWX-18RRA1/KKOX-18RRA1

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
17. 517A++
    Fujitsu AOEH18KLCB/ASEH18KLCBL

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
18. 518A++
    General AOHH18KLCB/ASHH18KLCBL

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
19. 519A++
    Johnson LICEO52K

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
20. 520A++
    Rotenso U50Xi R17 / U50Xo R17

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
21. 521A++
    Giatsu GIA-S18AR3-R32

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
22. 522A++
    TEKA TKGPC-18HFN8-RD1 / TKO-18HFN8-RD1

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
23. 523A+++
    VOX Electronics IMA24-UVCW

    6.1 kW · SEER 8.7 · 246 kWh/yr
    €70/year
24. 524A++
    Kizura KIZ-PR-18HDI

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
25. 525A+++
    Kaisai KKWS-24RAA1/KKOG-24RAA1

    6.1 kW · SEER 8.7 · 246 kWh/yr
    €70/year
26. 526A+++
    Skyluxe SKY-S071PLUS

    6.1 kW · SEER 8.7 · 246 kWh/yr
    €70/year
27. 527A++
    Almison ALM18AWR32

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
28. 528A++
    KlimaWorld NEXA S5 E Inverter 18

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
29. 529A++
    Hyundai HRP-M18RNI + HRP-M18RNO

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
30. 530A++
    MDV EVOA-053-IU / EVO1-053-OU

    5.2 kW · SEER 7.4 · 246 kWh/yr
    €70/year
31. 531A++
    GREE GWH18QE-S6DBB2B

    5.3 kW · SEER 7.5 · 247 kWh/yr
    €70/year
32. 532A++
    MDV MSAECU-18HRFNX-QRD0GW/MOX301-18HFN8-QRD0GW

    5.3 kW · SEER 7.5 · 247 kWh/yr
    €70/year
33. 533A++
    comfee CSAFCU-18HRFNXD0-W/COX330-18HFN8D0

    5.3 kW · SEER 7.4 · 247 kWh/yr
    €70/year
34. 534A++
    MDV MSAFCU-18HRFNX-QRD0GW/MOX330-18HFN8-QRD0GW

    5.3 kW · SEER 7.4 · 247 kWh/yr
    €70/year
35. 535A++
    Noxa NXRM-ID50XWM-1C/NXRM-OD50B-1C

    5.3 kW · SEER 7.4 · 247 kWh/yr
    €70/year
36. 536A++
    MAXA LDL53R1

    5.3 kW · SEER 7.4 · 247 kWh/yr
    €70/year
37. 537A++
    MX3 XDL53R2

    5.3 kW · SEER 7.4 · 247 kWh/yr
    €70/year
38. 538A++
    MDVIM-52(18)-MN8S2/MDVO-52(18)-MN8S2

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
39. 539A++
    Kaysun KAY-CF 52 DR11/KAE-C 52 DR11

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
40. 540A++
    Eskimo ES-AF-18HRDN8 XI / ES-AF-18HRDN8 XO

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
41. 541A++
    Nakassi NAKA-18NXD0-I / NAKA-18N8D0-O

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
42. 542A++
    INCLIMA-18GR21 IN / INCLIMA-18GR21 OUT

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
43. 543A++
    comfee AF-18HRFN8 IN 2021 / AF-18HRFN8 OU 2021

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
44. 544A++
    Kaisai KWX-18HRGI/KWX-18HRGO

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
45. 545A++
    Kaisai Eco KEX-18KTGI/KEX-18KTGO

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
46. 546A++
    Kaisai KRX-18PEGI/KRX-18PEGO

    5.3 kW · SEER 7.5 · 247 kWh/yr
    €70/year
47. 547A++
    GREE GWH18APAXH-K6DNA3A

    5.3 kW · SEER 7.5 · 247 kWh/yr
    €70/year
48. 548A++
    Inventor SUVI-18WFIB/SUVO-18B

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
49. 549A++
    Auratsu AWX-18KTHI/AWX-18KTHO

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/year
50. 550A++
    NOBU NBKU2VI32-18WFRB/NBKU2VO32-18B

    5.2 kW · SEER 7.4 · 247 kWh/yr
    €70/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