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. 601A++
   Ariston NEVIS PLUS R32 50 MUD0 3381419

   5.3 kW · SEER 7.5 · 247 kWh/yr
   €70/year
2. 602A++
   ELCO RIGEON ECO 50

   5.2 kW · SEER 7.4 · 247 kWh/yr
   €70/year
3. 603A++
   Ariston TRIAL 50 NEVIS NET_UA1-I 12+12

   5.2 kW · SEER 7.4 · 247 kWh/yr
   €70/year
4. 604A++
   LG RM3U19 U24 / RMN09 NSJ * 2 , RMN12 NSJwithdrawn

   5.3 kW · SEER 7.4 · 248 kWh/yr
   €70/year
5. 605A++
   LG RM3U19 U24 / RMN09 NSJ , RMN12 NSJ

   5.2 kW · SEER 7.4 · 248 kWh/yr
   €70/year
6. 606A++
   Hitachi RAM-53NYP3E / RAK-15QPE + RAK-18RPE

   5.3 kW · SEER 7.4 · 248 kWh/yr
   €70/year
7. 607A++
   Hitachi RAM-53NYP3E / RAK-18RPE + RAK-18RPE

   5.3 kW · SEER 7.4 · 248 kWh/yr
   €70/year
8. 608A++
   Hitachi RAM-53NYP3E / RAK-18QXE + RAK-25RXE

   5.3 kW · SEER 7.4 · 248 kWh/yr
   €70/year
9. 609A++
   Hitachi RAM-53NYP3E / RAK-25RPE + RAK-25RXE

   5.3 kW · SEER 7.4 · 248 kWh/yr
   €70/year
10. 610A++
    IVT 7733704099

    5.3 kW · SEER 7.5 · 248 kWh/yr
    €70/year
11. 611A++
    Bosch 7733704093

    5.3 kW · SEER 7.5 · 248 kWh/yr
    €70/year
12. 612A++
    Bosch 7733704861

    5.2 kW · SEER 7.3 · 248 kWh/yr
    €70/year
13. 613A++
    Ariston TRIAL 50 NEVIS NET_UA1-I 9+12

    5.2 kW · SEER 7.4 · 248 kWh/yr
    €70/year
14. 614A++
    Ariston TRIAL 50 NEVIS NET_UA1-I 9+9

    5.2 kW · SEER 7.4 · 248 kWh/yr
    €70/year
15. 615A++
    Hitachi RAM-53NYP3E / RAK-15QPE + RAK-15QPE

    5.3 kW · SEER 7.4 · 249 kWh/yr
    €71/year
16. 616A++
    Hitachi RAM-53NYP3E / RAK-15QPE + RAK-18QXE

    5.3 kW · SEER 7.4 · 250 kWh/yr
    €71/year
17. 617A++
    Hitachi RAM-53NYP3E / RAK-15QPE + RAK-25RPE

    5.3 kW · SEER 7.4 · 250 kWh/yr
    €71/year
18. 618A++
    Hitachi RAM-53NYP3E / RAK-18RPE + RAK-18QXE

    5.3 kW · SEER 7.4 · 250 kWh/yr
    €71/year
19. 619A++
    Hitachi RAM-53NYP3E / RAK-18RPE + RAK-25RPE

    5.3 kW · SEER 7.4 · 250 kWh/yr
    €71/year
20. 620A++
    Vivax ACP-18COFM50AERIs R32

    5.3 kW · SEER 6.3 · 250 kWh/yr
    €71/year
21. 621A++
    Rotenso I21Xi R15*2 / HHP50Xm2 R15

    5.3 kW · SEER 7.4 · 251 kWh/yr
    €71/year
22. 622A++
    Hitachi RAM-53NYP3E / RAK-18QXE + RAK-18QXE

    5.3 kW · SEER 7.3 · 252 kWh/yr
    €71/year
23. 623A++
    Hitachi RAM-53NYP3E / RAK-18QXE + RAK-25RPE

    5.3 kW · SEER 7.3 · 252 kWh/yr
    €71/year
24. 624A++
    Hitachi RAM-53NYP3E / RAK-25RPE + RAK-25RPE

    5.3 kW · SEER 7.3 · 252 kWh/yr
    €71/year
25. 625A++
    ARGO DELUXE 24000

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
26. 626A+++
    Midea EZ-21RD6-I / EZ-21RD6-O

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
27. 627A+++
    Nuvelle QDL 24INVi Wifi / QDF 24INVo Wifi

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
28. 628A+++
    Arielli ASW-24CPHZ

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
29. 629A+++
    Arielli ASW-24CPHS

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
30. 630A++
    AIRE COND18TR-W32 2X AIRE12TR-W32

    5.2 kW · SEER 7.2 · 252 kWh/yr
    €71/year
31. 631A++
    Ecold ECO COND.18CV-TE-W32 2X ECO EVAP12-TE-W32

    5.2 kW · SEER 7.2 · 252 kWh/yr
    €71/year
32. 632A++
    FREEO COND50W 2X FREEO25EV-TT

    5.2 kW · SEER 7.2 · 252 kWh/yr
    €71/year
33. 633A+++
    Inventor INVI-24WFI/INVO-24

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
34. 634A+++
    TEKA TKGPD-24HFN8 / TKO-24HFN8

    6.1 kW · SEER 8.5 · 252 kWh/yr
    €71/year
35. 635A++
    Fujitsu AOYG18KLTA/ASYG18KLCA

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
36. 636A++
    Inventor MFVI32-18WFI/MFVO32-18

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
37. 637A++
    Haier AS50S2SF2FA-3 / 1U50S2SJ2FA

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
38. 638A++
    Haier AS50S2SF1FA-BH / 1U50S2SJ2FA-2

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
39. 639A++
    Midea ACE-18HRFN8 IN / ACE-18HFN8 OUT

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
40. 640A++
    GREE GEH18AAXF-K6DNA1A

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
41. 641A++
    Azuri AZI-FO50VE/I - AZI-FO50VE/O

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
42. 642A++
    Heiko JS050-A1/JZ050-A1

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
43. 643A++
    Heiko JS050-A1/JZ050-A2

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
44. 644A+++
    LG MU3R21 U23/MJ07PC NSJ

    6.2 kW · SEER 8.5 · 253 kWh/yr
    €72/year
45. 645A+++
    LG MU3R21 U22/MJ07PC NSJ

    6.2 kW · SEER 8.5 · 253 kWh/yr
    €72/year
46. 646A++
    Equation 88574121

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
47. 647A++
    Candy CY-18FAIN / CY-18FAOUT

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
48. 648A++
    Inventor L6VI32-18WF/L6VO32-18

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
49. 649A++
    Fuji Electric ROG18KLCA/RSG18KLCA

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/year
50. 650A++
    Toyotomi CON56IN24R32/CON56OU24R32

    5.2 kW · SEER 7.2 · 253 kWh/yr
    €72/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