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+ 266 · A++ 3,544 · A+++ 451 · B 25 · C 1 · D 1

1. 1601A++
   Fisher FSAI-SU-185FE3 / FSOAI-SU-185FE3

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
2. 1602A++
   Cecotec 08183

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
3. 1603A++
   Inventor L3VI-18/L3VO-18

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
4. 1604A++
   Artica WHAP18

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
5. 1605A++
   Sinclair ASH-18AIZ

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
6. 1606A++
   Sinclair ASH-18BIF

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
7. 1607A++
   Emelson EML18EPRO

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
8. 1608A++
   Daitsu DSM-12U2KDT-6 UE18

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
9. 1609A++
   Daitsu DSM-9U2KDT-6 UE18

   5.1 kW · SEER 6.1 · 293 kWh/yr
   €83/year
10. 1610A++
    Orima ORTT 18 EXT 2

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
11. 1611A++
    Daitsu DSM-9U2KDT-4 UE18

    5.1 kW · SEER 6.7 · 293 kWh/yr
    €83/year
12. 1612A
    Fujitsu AOYG18LALL/AUYG18LVLB (2019 registration)

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
13. 1613A
    Fujitsu AOYG18LALL/ARYG18LLTB (2019 registration)

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
14. 1614A
    General AOHG18LBCB/AUHG18LVLB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
15. 1615A
    Fujitsu AOYG18LBCB/AUYG18LVLB (2019 registration)

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
16. 1616A
    General AOHG18LALL/ARHG18LLTB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
17. 1617A
    General AOHG18LALL/AUHG18LVLB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
18. 1618A++
    Tesla TT51TP21-1832IAWT

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
19. 1619A++
    Arielli AAC-18CH/TP21-I (WI-FI)

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
20. 1620A++
    Arielli AAC-18CHXA61-I(WI-FI)

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
21. 1621A++
    Rotenso E50Xi R15/E50Xo R15

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
22. 1622A++
    General AOHG18KATA/AUXG18KRLB

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
23. 1623A++
    General AOHG18KBTB/ABHG18KRTA

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
24. 1624A++
    General AOHG18KBTB/ARXG18KLLAP

    5.2 kW · SEER 6.2 · 293 kWh/yr
    €83/year
25. 1625A++
    Tectro TS 1248

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
26. 1626A++
    Olimpia Splendid OS-CEMLH18EI + OS-SEMLH18EI

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
27. 1627A++
    Kältebringer KB51-18000BTU

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
28. 1628A++
    Corbero CMT18-912AUSTRAL

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
29. 1629A++
    Corbero CSP18GREGAL

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
30. 1630A++
    Ocelair NMSP18OA

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
31. 1631A++
    Klimatsu KEM2AR-51-H1

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
32. 1632A++
    Rotenso E26Xi R17*2/HN50Xm2 R15

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
33. 1633A++
    electriQ iQool-2MS9K9K-V4

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
34. 1634A++
    SVAN3018

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
35. 1635A++
    AIRE18WE-D/AIRE18WC-D

    5.3 kW · SEER 6.4 · 293 kWh/yr
    €83/year
36. 1636A++
    Multiwarm MKEGM 530 Z - MCNGS 530 Z

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
37. 1637A++
    FREEO50WE-D/FREEO50WC

    5.3 kW · SEER 6.4 · 293 kWh/yr
    €83/year
38. 1638A++
    ICELIN18EW-XA WIFI/ICELIN18CW R-32

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
39. 1639A++
    Saivod ASCT091224

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
40. 1640A++
    Reventon VESPER 5.1

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
41. 1641A++
    Daiichi DHT25-18IVi/DHT25-18IVo

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
42. 1642A++
    Vesser GF18M2DATS

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
43. 1643A++
    GREE GFH18KBXD-S6DNK2B

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
44. 1644A++
    Rhino Air ESRSPLIT18K

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
45. 1645A++
    Suneco UEME18H6

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
46. 1646A++
    Polar SIEH0050SDOC / SO1H0050SDOC

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
47. 1647A++
    Daitsu DSM-912KDT-Z UE18

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
48. 1648A++
    Panasonic CS-Z50CD3EAW / CU-Z50CBEA

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
49. 1649A++
    Kanion KWSM-18IR32HF (2026 registration)

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/year
50. 1650A++
    Nexora NX00018

    5.1 kW · SEER 6.1 · 293 kWh/yr
    €83/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