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+ 266 · A++ 3,544 · A+++ 451 · B 25 · C 1 · D 1

1. 2301A++
   MAXA CADS26R*2

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
2. 2302A++
   MAXA FDL26R*2

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
3. 2303A++
   MAXA CADS53R (R410A)

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
4. 2304A++
   MAXA FD2M53R with CADS26R*2

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
5. 2305A+
   Clivet MU1-Y 53M (1x2)

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
6. 2306A++
   Clivet MU2-Y 53M (1x2)

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
7. 2307A++
   Remko DXM 501

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
8. 2308A++
   Beko BGMPO 181/BGMPI 090(x1)+BGMPI 120(x1) 8505683200

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
9. 2309A++
   Fisher FSLIF-183AE3/FSOIF-184AE3

   5.3 kW · SEER 6.1 · 304 kWh/yr
   €86/year
10. 2310A++
    Fisher FSLIF-184AE3 FSOIF-185AE3

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
11. 2311A++
    Inventor V5MDI32-18WiFiR/U5MRS32-18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
12. 2312A++
    Inventor V6MKI32-18WIFIR/U6MRS32-18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
13. 2313A++
    Inventor V5MCI32-18WiFiR/U5MRS32-18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
14. 2314A++
    Inventor U5MRSL32(2)-18B/LV5MCI32-09WiFiR

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
15. 2315A++
    Inventor U6RSL(2)-18/LV6DI-09WiFiR

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
16. 2316A++
    Inventor U5MRSL32(2)-18/AR2MVI-09WiFi

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
17. 2317A++
    Inventor U6RSL(2)-18/LV6CI-09WiFiR

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
18. 2318A++
    Inventor U6RSL(2)-18/AR5VI-09WiFi

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
19. 2319A++
    Inventor U5MRSL32(2)-18B/LV5MDI32-09WiFiR

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
20. 2320A++
    Inventor V6MDI32-18WiFiR/U6MRS32-18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
21. 2321A++
    Indesit MSIND18O

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
22. 2322A++
    Qlima SM 23 DUO

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
23. 2323A++
    Arielli ARC18INR32

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
24. 2324A++
    Olimpia Splendid OS-CEMYH18EI+OS-SECYH09EI+OS-SECYH09EI - NEXYA S4 E DUAL INVERTER 18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
25. 2325A++
    Olimpia Splendid OS-CEMYH18EI+OS-SECYH09EI+OS-SECYH12EI - NEXYA S4 E DUAL INVERTER 18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
26. 2326A++
    Olimpia Splendid OS-CECIH18EI+OS-SECIH18EI - NEXYA S4 E COMMERCIAL 18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
27. 2327A++
    Olimpia Splendid OS-CECIH18EI+OS-SEDIH18EI - NEXYA S4 E COMMERCIAL 18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
28. 2328A++
    Olimpia Splendid OS-CECIH18EI+OS-SEFIH18EI - NEXYA S4 E COMMERCIAL 18

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
29. 2329A++
    Sekom SM509DAX+2xSM269AB4

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
30. 2330A++
    Rotenso U21Xi R16*2/H50Xm2 R15

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
31. 2331A+++
    Rotenso U26Xi R15*2/H50Xm2 R15

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
32. 2332A++
    Andersen Electric AE DUO

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
33. 2333A++
    Vivax ACP-18CC50AERI R32s

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
34. 2334A++
    Hokkaido HKEU 264 ZAL x 2 - HCKU 530 Z2

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
35. 2335A++
    Electroline MDCE-509DAX+2xMDCE-98AB2-1

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
36. 2336A++
    Haier AS50PCTHRA/1U50KETFRA

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
37. 2337A++
    Olimpia Splendid OS-CANMH18EI + OS-SENEH09EI + OS-SENEH09EI

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
38. 2338A++
    Hyundai EDHN5018M+IDHN265AF3+IDHN354AF3

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
39. 2339A++
    comfee 2FB-18K - CF-CHR9IU - CF-CHR9IU

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
40. 2340A+
    Emmeti XECO-1815

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
41. 2341A++
    Bosch 7733702394

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
42. 2342A++
    Rotenso U26Xi R17*2 / H50Xm2 R15

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
43. 2343A++
    Artel ACX18RP24

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
44. 2344A++
    Artel AIX18RP24

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
45. 2345A++
    Mitsui MXX18HP24

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
46. 2346A++
    Ferroli DIAMANT M 18-2

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
47. 2347A++
    Lamborghini Caloreclima RUBINO S 18-2

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
48. 2348A++
    Buderus 7733702494

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/year
49. 2349A++
    Panasonic CS-TZ60CKEW / CU-TZ60CKE

    6 kW · SEER 6.9 · 304 kWh/yr
    €86/year
50. 2350A++
    Ariston (2x) NEVIS PLUS 25 UD0-Ix2 DUAL 50 XD0-O

    5.3 kW · SEER 6.1 · 304 kWh/yr
    €86/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