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. 1251A++
   Vesser FCT18DAT/CT18DAT

   5 kW · SEER 6.1 · 273 kWh/yr
   €77/year
2. 1252A++
   Suneco SCO18H6

   5 kW · SEER 6.1 · 273 kWh/yr
   €77/year
3. 1253A++
   TCL MN18D1W2 MN18DW2 MT1813

   5 kW · SEER 6.1 · 273 kWh/yr
   €77/year
4. 1254A++
   Artica ACC18DWG2

   5 kW · SEER 6.1 · 273 kWh/yr
   €77/year
5. 1255A++
   Ariston DUC R32 050 UA1-I/MUC R32 050 MMA1-O

   5 kW · SEER 6.1 · 273 kWh/yr
   €77/year
6. 1256A++
   Hyundai HAAD1800OC

   5 kW · SEER 6.1 · 273 kWh/yr
   €77/year
7. 1257A++
   Daikin FDXM35F3V1B / FDXM50F3V1B / 2MXM50M2V1B9

   5 kW · SEER 6.4 · 274 kWh/yr
   €78/year
8. 1258A++
   Haier AS25RBAHRA-3+AS35RBAHRA-4 / 2U50S2SM1FA-3

   4.8 kW · SEER 6.1 · 274 kWh/yr
   €78/year
9. 1259A++
   Baxi Spa 7711434 - UE MONO LC 18000 RZGT50 R32

   5 kW · SEER 6.3 · 274 kWh/yr
   €78/year
10. 1260A+
    Mitsubishi Heavy Industries SCM45ZS-S_SKM20ZSP-S_SKM25ZSP-S

    4.5 kW · SEER 5.8 · 274 kWh/yr
    €78/year
11. 1261B
    Panasonic S-36PN1E5A / U-36PE2E5A

    3.6 kW · SEER 4.6 · 274 kWh/yr
    €78/year
12. 1262A++
    AUX ALCA-H18NDR3HAA

    5 kW · SEER 6.3 · 274 kWh/yr
    €78/year
13. 1263A++
    Ferroli NCS 18 3.2

    5 kW · SEER 6.3 · 274 kWh/yr
    €78/year
14. 1264A++
    Lamborghini Caloreclima NCS 18 3.2

    5 kW · SEER 6.3 · 274 kWh/yr
    €78/year
15. 1265A++
    Heiko JS025-C2, JS025-C2/M2T050-D2

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
16. 1266A++
    Candy CY-12RAIN-M+CY-12RAIN-M / CY-2T18AOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
17. 1267A++
    Candy CY-09TAIN-M+CY-12TAIN-M / CY-2T18AOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
18. 1268A++
    Candy CY-09QBIN+CY-12QBIN / CY-2M18AOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
19. 1269A++
    Haier HAS12TABIN / HAS12TABIN / H2U18TAAOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
20. 1270A++
    Candy CY-09RAIN-M / CY-09RAIN-M / CY-2T18AOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
21. 1271A++
    Haier HAS09TABIN / HAS09TABIN / H2U18TAAOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
22. 1272A++
    Candy CY-09TAIN-M / CY-09TAIN-M / CY-2T18AOUT

    4.8 kW · SEER 6.1 · 275 kWh/yr
    €78/year
23. 1273A++
    Daikin FDXM25F3V1B / FDXM25F3V1B / 3MXM52N2V1B

    5 kW · SEER 6.4 · 276 kWh/yr
    €78/year
24. 1274A++
    Toshiba Carrier Corporation RAV-GM561ATP-E+RAV-HM561UTP-E

    5 kW · SEER 6.3 · 276 kWh/yr
    €78/year
25. 1275A++
    Ariston ALYS PLUS 50 MUD0 3381202

    5 kW · SEER 6.4 · 276 kWh/yr
    €78/year
26. 1276A++
    Daitsu DC-18KIDB(W)_DOC-18KIDB(W)

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
27. 1277A++
    Toyotomi DCT53IUINVR32/OU531INVR32

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
28. 1278A++
    Azuri ZUD50W/NhA-T / AUD50PS/A-T

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
29. 1279A++
    Mitsubishi Electric PEAD-M50JA2 / SUZ-M50VA

    5 kW · SEER 6.3 · 277 kWh/yr
    €78/year
30. 1280A++
    Emmeti X-REVO-1819

    5 kW · SEER 6.3 · 277 kWh/yr
    €78/year
31. 1281A++
    Aermec LCG500D LCG500

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
32. 1282A++
    Saunier Duval SDH 19-050 IDN

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
33. 1283A++
    Sinclair ASD-18BI

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
34. 1284A++
    AIRE18WE-SUELO/AIRE18WC-SUELO

    5 kW · SEER 6.5 · 277 kWh/yr
    €78/year
35. 1285A++
    FREEO50WE-SUELO/FREEO50WC

    5 kW · SEER 6.5 · 277 kWh/yr
    €78/year
36. 1286A++
    Mitsubishi Electric PEAD-M50JA3 / SUZ-M50VA2

    5 kW · SEER 6.3 · 277 kWh/yr
    €78/year
37. 1287A++
    Storm ST17154 STORM MITE CANALIZZATO MONO KW 5,0

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
38. 1288A++
    GREE GUD50PS/A-T+GUD50W/NhA-T

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
39. 1289A++
    Innova IGZDUP50NI-1

    5 kW · SEER 6.1 · 277 kWh/yr
    €78/year
40. 1290A++
    LG UUA1 UL0/CT18F NQ0withdrawn

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
41. 1291A++
    LG UU18WR U20/CM18R N10

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
42. 1292A++
    LG UU18WR U20/CL18R N20

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
43. 1293A++
    Mitsubishi Heavy Industries DXC18Z6-W1_DXK18Z6-W1

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
44. 1294A++
    Daikin FFA50A2VEB9 / RZAG50A2V1B

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
45. 1295A++
    Daikin FBA50A2VEB9 / RZAG50A2V1B

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
46. 1296A++
    Haier AF50S2SD1FA(D) / 1U50S2SJ2FA-2

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
47. 1297A++
    Qlima SM 38 DUO

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
48. 1298A++
    Haier AF50S2SD1FA(H) / 1U50S2SJ2FA-2

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
49. 1299A++
    Toshiba Carrier Corporation RAS-18J2AVG-E+RAS-18J2KVG-E

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/year
50. 1300A++
    Hisense HC50XP00G / AC50XP00W

    5 kW · SEER 6.3 · 278 kWh/yr
    €79/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