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. 1651A++
   TCL MT1821

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
2. 1652A++
   TCL S18F1S0

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
3. 1653A++
   Singer SNT24-18IVi/SNT24-18IVo

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
4. 1654A++
   Nørdis FMA-18I2HD/DVO

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
5. 1655A++
   Nørdis / Nordis FMA-18I2HD/DVO

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
6. 1656A++
   Viessmann Vitoclima 200-S/HE WS2053MHE1

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
7. 1657A++
   Rotenso E26Xi R18*2 / HN50Xm2 R15

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
8. 1658A++
   Rotenso ES26Xi R17*2 / HN50Xm2 R15

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
9. 1659A++
   Rotenso TA26Xi R17*2 / HN50Xm2 R15

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
10. 1660A++
    Konsi KN-TAC-18I2-2A/DV/O+KN-TAC-09CHSD-2AHM/IF/x2

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
11. 1661A++
    Atlantic 872078

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
12. 1662A++
    Davoline DAV 18AC

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
13. 1663A++
    Bomann CL 6047 QC CB

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
14. 1664A++
    Artom ART-ACS18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
15. 1665A++
    Storm ST16732 STORM MITE MONO KW 5,13 R32

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
16. 1666A++
    GREE GWH18QD-K3DNA1G

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
17. 1667A++
    GREE GWH18QD-K6DNA1C

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
18. 1668A++
    Confortec CFL18HS

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
19. 1669A++
    Electrolux EACS/I-18HVW/N8 EEC

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
20. 1670A++
    Electrolux EACO/I-18 FMI-2/N8_ERP EEC EACS/I-09 HE FMI/N8_ERP/in EEC x2

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
21. 1671A++
    Qlima SA 2353

    5.3 kW · SEER 7 · 293 kWh/yr
    €83/year
22. 1672A++
    Qlima SA 2370

    7 kW · SEER 6.4 · 293 kWh/yr
    €83/year
23. 1673A++
    AMG NZDXD24HP14

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
24. 1674A++
    Rossato ELYSON PLUS DUAL 21

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
25. 1675A++
    Mitsui ZDXD24HP14

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
26. 1676A++
    WEBER CLIMA MULTI 5,1Q AKL18 DUO

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
27. 1677A++
    Morris WFIN-50164 / WFOD-50165

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
28. 1678A++
    Miyato General MI-9218W / MO-9219W

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
29. 1679A++
    F&U FVIN-18140 / FVOT-18141

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
30. 1680A++
    Blaupunkt CLYMO MonoSplit 18

    5.3 kW · SEER 6.1 · 293 kWh/yr
    €83/year
31. 1681A++
    Bosch 7733704823

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
32. 1682A++
    Toyotomi DCT18IUR32/OU18INVR32

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
33. 1683A++
    Terma Air Gelida 18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
34. 1684A++
    Danyon DA-DUO-XA35

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
35. 1685A++
    Danyon DA-XA50

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
36. 1686A++
    Airton 409967

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
37. 1687A++
    Terma Air GELIDA V18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
38. 1688A++
    Kesser K-MS-18000

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
39. 1689A++
    Ariston KIOS BS NET R32 50 MUD0

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
40. 1690A++
    Ariston DUAL 50 PRIOS NET_UB1-I 9+9

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
41. 1691A++
    Ariston DUAL 50 PRIOS NET_UB1-I 9+18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
42. 1692A++
    KlimaNEXT KNX-2M18-32AE

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
43. 1693A++
    Fujitsu AOYG18LBCB/ARYG18LLTB (2021 registration)

    5.2 kW · SEER 6.2 · 294 kWh/yr
    €83/year
44. 1694A++
    Midea MCA3U-18HRFNX(GA) / MOX330U-18HFN8-Q(GA)

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
45. 1695A++
    MDV CSTS-18R32IVT IN/UNVS-18R32INT OU

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
46. 1696A++
    Noxa NXLMID-18XC4C-1A/NXLMOD-18BAU-1A

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
47. 1697A++
    GREE GWHD(18)NK6OO+GWH07QB-K6DNA6E/Ix2

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
48. 1698A++
    Vivax ACP-18CC50AERIs R32

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/year
49. 1699A++
    GREE GUD50PS1/A-S + GUD50W1/NhA-S (2023 registration)

    5.3 kW · SEER 63 · 294 kWh/yr
    €83/year
50. 1700A++
    Daitsu DC-18KDBS(W)_DOX-18KDBS(W)

    5.3 kW · SEER 6.3 · 294 kWh/yr
    €83/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