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. 1301A++
   Heiko KL050-A1/JZ050-A2

   5 kW · SEER 6.3 · 278 kWh/yr
   €79/year
2. 1302A++
   Samsung AC052RNMDKG/AC052RXADKG

   5 kW · SEER 6.3 · 278 kWh/yr
   €79/year
3. 1303A+
   Emmeti XECO-2415TE XECO-07-09XXX

   4.6 kW · SEER 5.8 · 278 kWh/yr
   €79/year
4. 1304A++
   Daikin FBA50A2VEB9 / RXM50N2V1B9

   5 kW · SEER 6.3 · 279 kWh/yr
   €79/year
5. 1305A++
   Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-HM561MUT-E

   5 kW · SEER 6.3 · 279 kWh/yr
   €79/year
6. 1306A++
   LG UU18WR U20/CT18R NQ0

   5 kW · SEER 6.2 · 280 kWh/yr
   €79/year
7. 1307A++
   Hitachi RAC-50NPE / RAD-50RPE

   5 kW · SEER 6.3 · 280 kWh/yr
   €79/year
8. 1308A++
   Mitsubishi Electric SLZ-M50FA2 / PUZ-ZM50VKA2

   5 kW · SEER 6.2 · 280 kWh/yr
   €79/year
9. 1309A++
   De Dietrich 7723190 - EMSCA 50

   5 kW · SEER 6.3 · 280 kWh/yr
   €79/year
10. 1310A++
    Mitsubishi Heavy Industries SRC50ZS-S_SRK50ZS-W

    5 kW · SEER 6.3 · 280 kWh/yr
    €79/year
11. 1311A++
    AUX-C-18CAC

    5 kW · SEER 6.2 · 280 kWh/yr
    €79/year
12. 1312A++
    Konsi KN-LC-12CS-4A

    3.7 kW · SEER 6.3 · 280 kWh/yr
    €79/year
13. 1313A++
    Daikin FDXM25F3V1B9 / FDXM35F3V1B9 / 2MXM50A2V1B9

    5 kW · SEER 6.3 · 280 kWh/yr
    €79/year
14. 1314A++
    Naitec CA18RHFA

    5 kW · SEER 6.2 · 280 kWh/yr
    €79/year
15. 1315A++
    Daikin FDXM25F3V1B / FDXM35F3V1B / 2MXM50M2V1B9

    5 kW · SEER 6.2 · 281 kWh/yr
    €80/year
16. 1316A++
    Daikin FDXM25F3V1B9 / FDXM25F3V1B9 / 2MXM50A2V1B9

    5 kW · SEER 6.2 · 281 kWh/yr
    €80/year
17. 1317A++
    Saivod AFH1826W (AFH01826W-IN/AFH01826W-OUT)

    4.9 kW · SEER 6.1 · 281 kWh/yr
    €80/year
18. 1318A++
    Heiko JS050-M1/JZ050-M1

    4.9 kW · SEER 6.1 · 281 kWh/yr
    €80/year
19. 1319A++
    Atlantic 872214

    4.9 kW · SEER 6.1 · 281 kWh/yr
    €80/year
20. 1320A++
    Proklima PM18QC2-IN / PM18QC2-OUT

    4.9 kW · SEER 6.1 · 281 kWh/yr
    €80/year
21. 1321A++
    Candy CY-18RBW-IN / CY-18RBW-OUT

    4.9 kW · SEER 6.1 · 281 kWh/yr
    €80/year
22. 1322A++
    Mitsubishi Electric PCA-M50KA2 / PUHZ-ZRP50VKA2

    5 kW · SEER 6.1 · 282 kWh/yr
    €80/year
23. 1323A++
    Daikin FBA50A2VEB9 / RXS50L2V1B

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
24. 1324A++
    Daikin FTXF50A2V1B / RXF50B2V1B

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
25. 1325A++
    Daikin FTXF50A2V1B / RXF50A2V1B

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
26. 1326A++
    Daikin FDXM25F3V1B / FDXM25F3V1B / 2MXM50M2V1B9

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
27. 1327A++
    Daikin CTXM15M2V1B / FBA35A2VEB / 3MXM52N2V1B

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
28. 1328A++
    Emmeti X-REVO-1819EX X-REVO-1819K

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
29. 1329A++
    Baxi Spa 7663721 - UE MONO LC 18000 RZT50 R410A

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
30. 1330A++
    Panasonic S-50PK2E5B / U-50PE2E5A

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
31. 1331A++
    Panasonic CS-FE50UKE / CU-FE50UKE

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
32. 1332A++
    LG CM18F NA0/UUB1 U20

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
33. 1333A++
    Toshiba Carrier Corporation RAS-18PAVSG-E+RAS-B18U2FVG-E1

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
34. 1334A++
    Toshiba Carrier Corporation RAV-GV561ATP-E+RAV-HM561KRTP-E

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
35. 1335A++
    Toshiba Carrier Corporation RAV-GV561ATP-E+RAV-HM561UTP-E

    5 kW · SEER 6.2 · 282 kWh/yr
    €80/year
36. 1336A++
    Aldes T.One® AIR 06 R32

    5 kW · SEER 6.1 · 283 kWh/yr
    €80/year
37. 1337A++
    Mitsubishi Heavy Industries SRC50ZSP-W_SRK50ZSP-W

    5 kW · SEER 6.2 · 283 kWh/yr
    €80/year
38. 1338A++
    Daikin ATXF50A2V1B / ARXF50A2V1B

    5 kW · SEER 6.2 · 283 kWh/yr
    €80/year
39. 1339A++
    Mitsubishi Electric MXZ-3DM50VA-E1 / MSZ-DM25VA + MSZ-DM25VA + MSZ-DM25VA

    5 kW · SEER 6.1 · 283 kWh/yr
    €80/year
40. 1340A++
    Toshiba Carrier Corporation RAV-GM561ATP-E+RAV-HM561KRTP-E

    5 kW · SEER 6.2 · 283 kWh/yr
    €80/year
41. 1341A++
    Toshiba Carrier Corporation RAV-GM562ATP-E+RAV-HM561MUT-E

    5 kW · SEER 6.2 · 283 kWh/yr
    €80/year
42. 1342A+
    Emmeti XECO-2815QE XECO-07-09XXX

    4.6 kW · SEER 5.7 · 283 kWh/yr
    €80/year
43. 1343A++
    Toyotomi CFT53IUINVR32/OU531INVR32

    5 kW · SEER 6.1 · 284 kWh/yr
    €80/year
44. 1344A++
    Daitsu DB-18KDB_DOX-18KDB

    5 kW · SEER 6.1 · 284 kWh/yr
    €80/year
45. 1345A++
    Mitsubishi Electric SFZ-M50VA / SUZ-M50VA

    5 kW · SEER 6.1 · 284 kWh/yr
    €80/year
46. 1346A+
    Mitsubishi Electric PEAD-M50JA2 / SUZ-KA50VA6

    4.9 kW · SEER 6 · 284 kWh/yr
    €80/year
47. 1347A++
    Aermec LCG500F LCG500

    5 kW · SEER 6.1 · 284 kWh/yr
    €80/year
48. 1348A++
    Sinclair ASF-18BI

    5 kW · SEER 6.1 · 284 kWh/yr
    €80/year
49. 1349A++
    Mitsubishi Electric SFZ-M50VA2 / SUZ-M50VA2

    5 kW · SEER 6.1 · 284 kWh/yr
    €80/year
50. 1350A++
    Toshiba Carrier Corporation RAV-GP561ATW-E+RAV-HM561SDTY-E

    5 kW · SEER 6.2 · 284 kWh/yr
    €80/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