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. 801A++
   Kaisai KEV-18TLHI/KEV-18TLHO

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
2. 802A++
   Toyotomi OTN-18QINV/OTG-18QINV

   5.3 kW · SEER 6.8 · 263 kWh/yr
   €74/year
3. 803A++
   Toyotomi OTN-18Q25INV/OTG-18Q25INV

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
4. 804A++
   Nørdis LYRA NDI/NDO-L18TC1

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
5. 805A++
   Nørdis / Nordis LYRA NDI/NDO-L18TC1

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
6. 806A++
   Kazeiro Suki 18k

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
7. 807A++
   Bodner BOST18

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
8. 808A++
   Tesla TT51ZA31-1832IA

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
9. 809A++
   Star-Light ACT-18XPWF

   5.1 kW · SEER 6.8 · 263 kWh/yr
   €74/year
10. 810A++
    Singer SNT26-18IVi/SNT26-18IVo

    5.1 kW · SEER 6.8 · 263 kWh/yr
    €74/year
11. 811A++
    Rotenso R50Xi R18 / R50Xo R18

    5.1 kW · SEER 6.8 · 263 kWh/yr
    €74/year
12. 812A++
    Noxa NXXP-ID50XWM-1A / NXXP-OD50B-1A

    5.1 kW · SEER 6.8 · 263 kWh/yr
    €74/year
13. 813A++
    TCL S18F72S3 SN18F72S3 ST18F3

    5.1 kW · SEER 6.8 · 263 kWh/yr
    €74/year
14. 814A++
    Sevra Sev-18CR

    5.1 kW · SEER 6.8 · 263 kWh/yr
    €74/year
15. 815A++
    Ariston PRIOS NET 50 MUB1

    5.1 kW · SEER 6.8 · 263 kWh/yr
    €74/year
16. 816A++
    Bosch 7733702390

    5.2 kW · SEER 7.2 · 264 kWh/yr
    €75/year
17. 817A++
    Bosch 7733702391

    5.2 kW · SEER 7.1 · 264 kWh/yr
    €75/year
18. 818A+++
    Daitsu DS-24KZ_DOS-24KZ

    6.4 kW · SEER 8.5 · 264 kWh/yr
    €75/year
19. 819A+++
    Morris HMIN-69190 - HMOD-69191

    6.4 kW · SEER 8.5 · 264 kWh/yr
    €75/year
20. 820A++
    Electroline ETHE50D3+(3x)IUD263HKAW

    5.5 kW · SEER 7.3 · 264 kWh/yr
    €75/year
21. 821A+++
    Juro-Pro ECOMAX 22k

    6.4 kW · SEER 8.5 · 264 kWh/yr
    €75/year
22. 822A+++
    TCL S24F7S5 SN24F7S5 ST24F5

    6.4 kW · SEER 8.5 · 264 kWh/yr
    €75/year
23. 823A++
    Bosch 7733704828

    5.2 kW · SEER 6.9 · 264 kWh/yr
    €75/year
24. 824A++
    Bosch 7733704857

    5.3 kW · SEER 7 · 264 kWh/yr
    €75/year
25. 825A++
    Midea MSAGCU-18HRFN8-ME-set

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
26. 826A++
    Midea AG-24NXD0-I/X4-24N8D0-O

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
27. 827A++
    Invest Living MSA - 18C

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
28. 828A++
    MAXA SPR53R

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
29. 829A++
    Vivax ACP-18CH50AESI PRO R32

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
30. 830A++
    Midea MSAGCU-18HRFN8-QRD0GW-I/MOX301-18HFN8-QRD0GW

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
31. 831A++
    Midea MSAB-18NXD0-I / MSAB-18N8D0-O

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
32. 832A++
    Kaisai KGE-18GRGI/KGE-18GRGO

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
33. 833A++
    Kaisai KWC-18CGI/KWC-18CGO

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
34. 834A++
    Toyotomi THN-A56SZ/THG-A56SZ

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
35. 835A++
    Immergas UI THOR 18 UE THOR 18

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
36. 836A++
    Bosch ASI18DW30/ASO18DW30

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
37. 837A++
    Inventor AR5VI-18WFI/AR5VO-18

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
38. 838A++
    Inventor ΝUVI-18WF/ΝUVO-18

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
39. 839A++
    Beko BEHPGH 180/ BEHPGH 181 8504193200

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
40. 840A++
    York YHKF18YEEBMHO-Y / YHKF18XEEBMH-RY

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
41. 841A++
    Johnson Controls JHKF18YEEBMHO-Y / JHKF18XEEBMH-RY

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
42. 842A++
    Vulcano 7731200483

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
43. 843A++
    Clivet MMA1-Y 53M + IMA1-Y 53M

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
44. 844A++
    Emmeti X-REVO-1821TE X-REVO-09-09XXX

    5.5 kW · SEER 7.3 · 265 kWh/yr
    €75/year
45. 845A++
    GREE GWH18AKC-K6DNA1A

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
46. 846A++
    Kosner KSTI-18N/M/50 INT R32 EVO/ KSTI-18N/50 EXT R32 EVO

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
47. 847A++
    Fanworld FW14-4500

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
48. 848A++
    Clivet MM2-Y 53M (1x1)

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
49. 849A++
    Clivet MLA1-Y 53M+ILA1-Y 53M

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/year
50. 850A++
    Inventor PFI2VI-18WFI/PFI2VO-18

    5.3 kW · SEER 7 · 265 kWh/yr
    €75/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