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. 351A+++
   Atlantic 872193

   5.4 kW · SEER 8.5 · 221 kWh/yr
   €63/year
2. 352A++
   Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-42RPE

   5.3 kW · SEER 8.3 · 222 kWh/yr
   €63/year
3. 353A++
   Hitachi RAM-53NP3E / RAK-18RPE + RAK-18QXE + RAK-50RPE

   5.3 kW · SEER 8.4 · 222 kWh/yr
   €63/year
4. 354A++
   Hitachi RAM-53NP3E / RAK-18QXE + RAK-25RXE + RAK-42RPE

   5.3 kW · SEER 8.4 · 222 kWh/yr
   €63/year
5. 355A+++
   Mitsubishi Electric MXZ-3F54VF2 / MSZ-LN18VGW + MSZ-LN18VGW + MSZ-LN18VGW

   5.4 kW · SEER 8.5 · 222 kWh/yr
   €63/year
6. 356A+++
   Mitsubishi Electric MXZ-3F54VF3-E1/MSZ-LN18VG2 + MSZ-LN18VG2 +MSZ-LN18VG2

   5.4 kW · SEER 8.5 · 222 kWh/yr
   €63/year
7. 357A+++
   Stiebel Eltron CUR 3-54 Premium4

   5.4 kW · SEER 8.5 · 222 kWh/yr
   €63/year
8. 358A++
   Hisense 3AMW52U4RJC

   5.2 kW · SEER 8.1 · 224 kWh/yr
   €63/year
9. 359A+++
   Mitsubishi Heavy Industries SRC60ZSX-W1_FDT60VH

   5.6 kW · SEER 8.8 · 225 kWh/yr
   €64/year
10. 360A++
    Hitachi RAM-53NP3E / RAK-18QXE + RAK-18QXE + RAK-50RPE

    5.3 kW · SEER 8.3 · 225 kWh/yr
    €64/year
11. 361A++
    Daikin ATXM20N2V1B / ATXM20N2V1B / ATXM50N2V1B / 3AMXM52M3V1B

    5.2 kW · SEER 8.1 · 225 kWh/yr
    €64/year
12. 362A++
    Daikin ATXM20M2V1B / ATXM20M2V1B / ATXM50M2V1B / 3AMXM52M3V1B

    5.2 kW · SEER 8.1 · 225 kWh/yr
    €64/year
13. 363A++
    Daikin CTXM15M2V1B / CTXM15M2V1B / FTXJ20MV1BS / 3MXM52N2V1B

    5.2 kW · SEER 8.1 · 225 kWh/yr
    €64/year
14. 364A++
    Electroline ETHE505D3+(3x)IUD263HKAW

    5.2 kW · SEER 8.1 · 225 kWh/yr
    €64/year
15. 365A++
    Bosch 7733703626

    5.3 kW · SEER 8.2 · 225 kWh/yr
    €64/year
16. 366A++
    Buderus 7733703669

    5.3 kW · SEER 8.2 · 225 kWh/yr
    €64/year
17. 367A++
    Fujitsu AOEH18KMTG/ASEH18KMTGL

    5.2 kW · SEER 8 · 227 kWh/yr
    €64/year
18. 368A++
    General AOHH18KMTG/ASHH18KMTGL

    5.2 kW · SEER 8 · 227 kWh/yr
    €64/year
19. 369A+++
    Thermor 872135

    5.5 kW · SEER 5.5 · 227 kWh/yr
    €64/year
20. 370A++
    Bosch 7733703628

    5.3 kW · SEER 8.2 · 227 kWh/yr
    €64/year
21. 371A++
    Bosch 7733703210

    5.2 kW · SEER 8 · 228 kWh/yr
    €65/year
22. 372A++
    Hitachi RAM-53NE2F / RAK-15QEF + RAK-35REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
23. 373A++
    Hitachi RAM-53NE2F / RAK-15QEF + RAK-50REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
24. 374A++
    Hitachi RAM-53NE2F / RAK-18REF + RAK-50REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
25. 375A++
    Hitachi RAM-53NE2F / RAK-35REF + RAK-35REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
26. 376A++
    Hitachi RAM-53NE2F / RAK-35REF + RAK-50REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
27. 377A++
    Hitachi RAM-53NE3F / RAK-15QEF + RAK-15QEF + RAK-15QEF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
28. 378A++
    Hitachi RAM-53NE3F / RAK-15QEF + RAK-15QEF + RAK-18REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
29. 379A++
    Hitachi RAM-53NE3F / RAK-15QEF + RAK-15QEF + RAK-50REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
30. 380A++
    Hitachi RAM-53NE3F / RAK-15QEF + RAK-18REF + RAK-25REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
31. 381A++
    Hitachi RAM-53NE3F / RAK-15QEF + RAK-18REF + RAK-50REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
32. 382A++
    Hitachi RAM-53NE3F / RAK-15QEF + RAK-25REF + RAK-25REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
33. 383A++
    Hitachi RAM-53NE3F / RAK-25REF + RAK-25REF + RAK-25REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
34. 384A++
    Hitachi RAM-53NE2F / RAK-18REF + RAK-35REF

    5.3 kW · SEER 8.1 · 229 kWh/yr
    €65/year
35. 385A++
    Hitachi RAM-53NE2F / RAK-25REF + RAK-50REF

    5.3 kW · SEER 8 · 230 kWh/yr
    €65/year
36. 386A++
    Mitsubishi Electric MXZ-2F53VF2-E1 / MSZ-EF18VG + MSZ-AP35VG

    5.3 kW · SEER 8 · 230 kWh/yr
    €65/year
37. 387A++
    Mitsubishi Electric MXZ-2F53VFH2-E1 / MSZ-EF18VG + MSZ-AP35VG

    5.3 kW · SEER 8 · 230 kWh/yr
    €65/year
38. 388A++
    Hitachi RAM-53NE2F / RAK-25REF + RAK-35REF

    5.3 kW · SEER 8 · 231 kWh/yr
    €65/year
39. 389A++
    Mitsubishi Electric MXZ-3F54VF2 / MSZ-EF18VGW + MSZ-EF18VGW + MSZ-EF18VGW

    5.4 kW · SEER 8.1 · 231 kWh/yr
    €65/year
40. 390A++
    GREE GWH18AUDXE-K6DNA1A

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
41. 391A++
    Heiwa HMEP2-50-V1 / HMIP2-50W-V1

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
42. 392A++
    Hitachi RAM-53NE2F / RAK-15QEF + RAK-15QEF

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
43. 393A++
    Panasonic CS-HZ25ZKE + CS-HZ25ZKE + / CU-2Z50ABEC

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
44. 394A++
    Cooper&Hunter CH-S18FTXAN-BL/WP

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
45. 395A++
    Rotenso I21Xi R14*2/HHP50Xm2 R15

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
46. 396A++
    Saunier Duval SDHP1-050SNWO + SDHP1-050SNWI

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
47. 397A++
    Vaillant VAIP1-050WNO + VAIP1-050WNI

    5.3 kW · SEER 8 · 232 kWh/yr
    €66/year
48. 398A++
    Hitachi RAM-53NE2F / RAK-18REF + RAK-18REF

    5.3 kW · SEER 8 · 233 kWh/yr
    €66/year
49. 399A++
    Hitachi RAM-53NE2F / RAK-15QEF + RAK-18REF

    5.3 kW · SEER 8 · 233 kWh/yr
    €66/year
50. 400A++
    Bosch 7733703794

    5.3 kW · SEER 7.9 · 233 kWh/yr
    €66/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