Most energy-efficient air conditioners, 3.6–5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €39 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 83 · A+ 159 · A++ 1,158 · A+++ 201 · B 12 · C 1 · D 1

1. 1501A
   Hitachi RAC-50FPA / RAF-50RPA

   5 kW · SEER 5.9 · 299 kWh/yr
   €85/year
2. 1502A+
   Mitsubishi Electric PCA-M50KA2 / SUZ-KA50VA6

   5 kW · SEER 5.8 · 299 kWh/yr
   €85/year
3. 1503A+
   Toshiba Carrier Corporation RAV-GM562ATP-E+RAV-HM561FT-E

   5 kW · SEER 5.9 · 299 kWh/yr
   €85/year
4. 1504A+
   Emmeti XECO-2415TE XECO-09-09XXX

   5 kW · SEER 5.9 · 299 kWh/yr
   €85/year
5. 1505A
   Hitachi RAC-50WXA / RAK-50PXA

   5 kW · SEER 6 · 300 kWh/yr
   €85/year
6. 1506A+
   Daikin FHA50AVEB98 / RXM50A5V1B8

   5 kW · SEER 5.8 · 300 kWh/yr
   €85/year
7. 1507A++
   Buderus 7733702504

   5 kW · SEER 6.3 · 300 kWh/yr
   €85/year
8. 1508A++
   LG UUB1 U20/CM18F N18A0

   5 kW · SEER 6.1 · 300 kWh/yr
   €85/year
9. 1509A+
   Mitsubishi Heavy Industries SRC50ZSX-W1_FDUM50VH

   5 kW · SEER 5.9 · 301 kWh/yr
   €85/year
10. 1510A+
    Hitachi RAS-2HVNP1 - RCI-2.0FSN3Ei

    5 kW · SEER 5.8 · 301 kWh/yr
    €85/year
11. 1511A+
    Hitachi RAS-2HVNP1 - RCI-2.0FSN3Ek

    5 kW · SEER 5.8 · 301 kWh/yr
    €85/year
12. 1512A
    Hitachi RAS-2HVNP1 / RCI-2.0FSN3Ei

    5 kW · SEER 5.8 · 301 kWh/yr
    €85/year
13. 1513A+
    LG UUB1 U20/UQ18F NA0withdrawn

    5 kW · SEER 5.8 · 302 kWh/yr
    €86/year
14. 1514A+
    Panasonic CS-E18RB4EAW / CU-E18RBEA

    5 kW · SEER 5.8 · 302 kWh/yr
    €86/year
15. 1515A+
    Toshiba Carrier Corporation RAV-GM562ATP-E+RAV-HM561SDTY-E

    5 kW · SEER 5.8 · 302 kWh/yr
    €86/year
16. 1516A+
    Toshiba Carrier Corporation RAV-GM562ATP-E+RAV-HM561BTP-E

    5 kW · SEER 5.8 · 302 kWh/yr
    €86/year
17. 1517A+
    Hitachi RAM-53NYP3E / RAD-50RPE

    5 kW · SEER 5.8 · 303 kWh/yr
    €86/year
18. 1518A+
    Daikin FDXM50F3V1B9 / RXM50N2V1B9

    5 kW · SEER 5.8 · 303 kWh/yr
    €86/year
19. 1519A+
    Daikin FNA50A2VEB9 / RXM50N2V1B9

    5 kW · SEER 5.8 · 303 kWh/yr
    €86/year
20. 1520A+
    Daikin FNA50A2VEB / RXM50M3V1B9

    5 kW · SEER 5.8 · 303 kWh/yr
    €86/year
21. 1521A++
    Konsi KN-LC12CS-T

    3.7 kW · SEER 6.1 · 303 kWh/yr
    €86/year
22. 1522A+
    Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-RM561SDT-E

    5 kW · SEER 5.8 · 303 kWh/yr
    €86/year
23. 1523A+
    Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-RM561FT-EN

    5 kW · SEER 5.8 · 304 kWh/yr
    €86/year
24. 1524A+
    Emmeti XECO-2815QE XECO-09-09XXX

    5 kW · SEER 5.8 · 304 kWh/yr
    €86/year
25. 1525A++
    Buderus 7733702498

    5 kW · SEER 6.1 · 305 kWh/yr
    €86/year
26. 1526A+
    Daikin FDXM50F3V1B9 / RXS50L2V1B

    5 kW · SEER 5.7 · 306 kWh/yr
    €87/year
27. 1527A+
    Daikin FNA50A2VEB9 / RXS50L2V1B

    5 kW · SEER 5.7 · 306 kWh/yr
    €87/year
28. 1528A+
    LG UUA1 UL0 / CM18F NA0

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
29. 1529A+
    Mitsubishi Heavy Industries SCM50ZS-S1_SRK25ZSX-Sx2

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
30. 1530A+
    Panasonic S-50PF1E5A / U-50PE1E5

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
31. 1531A+
    Panasonic S-50PF1E5A / U-50PE2E5A

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
32. 1532A+
    Daikin FDXM50F3V1B9 / RXM50A5V1B8

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
33. 1533A+
    Daikin FNA50A2VEB9 / RXM50A5V1B8

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
34. 1534A+
    Toshiba Carrier Corporation RAV-GM561ATP-E+RAV-HM561MUT-E

    5 kW · SEER 5.7 · 307 kWh/yr
    €87/year
35. 1535A+
    Aldes T.One® 05H

    5 kW · SEER 5.7 · 309 kWh/yr
    €88/year
36. 1536A+
    Mitsubishi Heavy Industries SRC50ZSX-S_FDUM50VH

    5 kW · SEER 5.7 · 309 kWh/yr
    €88/year
37. 1537A+
    Emmeti X-REVO1825K-S

    5 kW · SEER 5.7 · 309 kWh/yr
    €88/year
38. 1538A+
    Daikin ADEA50A2VEB / ARXM50N2V1B9

    5 kW · SEER 5.7 · 310 kWh/yr
    €88/year
39. 1539A++
    Nuova 2P-CINF-MSO50

    5 kW · SEER 6.1 · 310 kWh/yr
    €88/year
40. 1540A++
    Buderus 7733702493

    5 kW · SEER 6.1 · 310 kWh/yr
    €88/year
41. 1541A+
    Hitachi RAS-2HVNP1 - RPC-2.0FSN3

    5 kW · SEER 5.6 · 311 kWh/yr
    €88/year
42. 1542A
    Hitachi RAS-2HVNP1 / RPC-2.0FSN3

    5 kW · SEER 5.6 · 311 kWh/yr
    €88/year
43. 1543A+
    Daikin ADEA50A2VEB / ARXM50A5V1B8

    5 kW · SEER 5.6 · 312 kWh/yr
    €88/year
44. 1544A+
    Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-RM561BTP-E

    5 kW · SEER 5.6 · 312 kWh/yr
    €88/year
45. 1545A+
    LG UU18WCR UL0/CM18R N10

    5 kW · SEER 5.6 · 313 kWh/yr
    €89/year
46. 1546A+
    Hitachi RAS-2HVNP1 - RPI-2.0FSN4E

    5 kW · SEER 5.6 · 313 kWh/yr
    €89/year
47. 1547A
    Hitachi RAS-2HVNP / RCI-2.0FSN3

    5 kW · SEER 5.6 · 313 kWh/yr
    €89/year
48. 1548A
    Hitachi RAS-2HVNP1 / RPI-2.0FSN4E

    5 kW · SEER 5.6 · 313 kWh/yr
    €89/year
49. 1549A+
    Daikin ADEA50A2VEB / ARXS50L2V1B

    5 kW · SEER 5.6 · 313 kWh/yr
    €89/year
50. 1550A+
    Mitsubishi Heavy Industries SCM50ZS-S1_SRK25ZS-Sx2

    5 kW · SEER 5.6 · 313 kWh/yr
    €89/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