Most energy-efficient air conditioners, up to 2.5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €21 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 108 · A+ 45 · A++ 429 · A+++ 172 · B 3 · C 1 · D 4

1. 701A
   HTW-MKT2-V800check label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
2. 702A
   HTW-MKH2-V500-R3check label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
3. 703A
   HTW-MKA-V1500Rcheck label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
4. 704A
   HTW-MKA-V600Rcheck label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
5. 705A
   HTW-MKA-V850Rcheck label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
6. 706A
   HTW-MKA-V1200Rcheck label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
7. 707A
   HTW-FP-27AAcheck label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
8. 708A
   HTW-FP-45AAcheck label

   1 kW · SEER 1 · 1 kWh/yr
   €0/year
9. 709A
   Snowair SNW-PC-021EVEREST2check label

   2 kW · SEER 2.6 · 1 kWh/yr
   €0/year
10. 710D
    shenzhenshixiangjiqiyeguanliyouxiangongsi 11111check label

    1 kW · SEER 2.6 · 1 kWh/yr
    €0/year
11. 711A
    ok. OAC 3251 EScheck label

    1.3 kW · SEER 2.6 · 1 kWh/yr
    €0/year
12. 712A
    ok. OAC 2111 EScheck label

    0.8 kW · SEER 2.6 · 1 kWh/yr
    €0/year
13. 713A
    Chauffage Francais Groupe Sannover KEDROS 15check label

    1.5 kW · SEER 4.5 · 1 kWh/yr
    €0/year
14. 714A
    ELIT E-2507Ccheck label

    2.1 kW · SEER 2.6 · 1 kWh/yr
    €0/year
15. 715A
    ELIT E-7025Fcheck label

    2 kW · SEER 2.1 · 1 kWh/yr
    €0/year
16. 716A
    Lyfco AWZ-32ARcheck label

    1 kW · SEER 1.1 · 1 kWh/yr
    €0/year
17. 717A
    ARGO LARIcheck label

    2 kW · SEER 2.6 · 1 kWh/yr
    €0/year
18. 718A
    Dellonda (EU) Ltd DH412.V1check label

    1.4 kW · SEER 2.6 · 1 kWh/yr
    €0/year
19. 719C
    Costway FDK18-04R5check label

    1.8 kW · SEER 2.1 · 1 kWh/yr
    €0/year
20. 720A
    Rintuf NPL-09HRcheck label

    1 kW · SEER 2.6 · 2 kWh/yr
    €1/year
21. 721A
    Medion 37672check label

    0.7 kW · SEER 2.6 · 2 kWh/yr
    €1/year
22. 722A
    Aro MAC2010Ccheck label

    2 kW · SEER 2.6 · 2 kWh/yr
    €1/year
23. 723A
    Andersson ARC 1.3check label

    0.8 kW · SEER 2.6 · 2 kWh/yr
    €1/year
24. 724B
    X4-Life 702150 - X4-LIFE Mobiles Raumklimagerät mit Fernbedienungcheck label

    1 kW · SEER 2.4 · 2 kWh/yr
    €1/year
25. 725A
    Rintuf NPE-12HRcheck label

    1 kW · SEER 2.6 · 3 kWh/yr
    €1/year
26. 726A
    Lyfco OL-BKYR25-A5A2check label

    1 kW · SEER 2.6 · 13 kWh/yr
    €4/year
27. 727A
    Lyfco OL-BKY20-A010Echeck label

    1 kW · SEER 2.6 · 13 kWh/yr
    €4/year
28. 728A++
    JUBA KYS-30-39Ycheck label

    0.1 kW · SEER 2.6 · 13 kWh/yr
    €4/year
29. 729A++
    Ningbo Kadeer Electrical Appliances FLS-100ASR19check label

    0.1 kW · SEER 2.8 · 20 kWh/yr
    €6/year
30. 730A++
    Cixi Baili Electrical Appliance BL-228DLRcheck label

    0.1 kW · SEER 2.6 · 20 kWh/yr
    €6/year
31. 731A++
    Gree Electric Appliances, Inc. of Zhuhai GMV-ND22ZA/A-Tcheck label

    2.5 kW · SEER 1 · 25 kWh/yr
    €7/year
32. 732A++
    Nuova 3P-MSO80check label

    0.1 kW · SEER 7.5 · 346 kWh/yr
    €98/year
33. 733A++
    Nuova 4P-MSO100check label

    0.1 kW · SEER 6.7 · 376 kWh/yr
    €106/year
34. 734A
    Lyfco OL-A016AA26N2check label

    2.5 kW · SEER 3.6 · 400 kWh/yr
    €113/year
35. 735A
    Lyfco OL-BKY41-A015Dcheck label

    1 kW · SEER 2.6 · 400 kWh/yr
    €113/year
36. 736A
    AirBlue AM 21 KPcheck label

    2.1 kW · SEER 2.6 · 403 kWh/yr
    €114/year
37. 737A
    Nuova mobiele airco 9000 BTU – 2,5kWcheck label

    2.5 kW · SEER 5.5 · 420 kWh/yr
    €119/year
38. 738A
    Evolar EVO-ES9000check label

    2.5 kW · SEER 2.6 · 500 kWh/yr
    €142/year
39. 739A
    Brunner POLARYS TWINAIR 5check label

    0.6 kW · SEER 2.6 · 509 kWh/yr
    €144/year
40. 740A
    Brunner TWINAIR 3check label

    0.3 kW · SEER 2.6 · 509 kWh/yr
    €144/year
41. 741A++
    Nuova 5P-MSO140check label

    0.1 kW · SEER 7.8 · 552 kWh/yr
    €156/year
42. 742A++
    AIWA ACD-9000check label

    2.5 kW · SEER 6.1 · 578 kWh/yr
    €164/year
43. 743A+++
    Sanden Intercool Italy Srl SND-09ZES3-ID / SND-09SFU-ODcheck label

    2.3 kW · SEER 6.1 · 632 kWh/yr
    €179/year
44. 744A
    Cgis Ete Hiver NPL-09HRcheck label

    2.2 kW · SEER 3.1 · 700 kWh/yr
    €198/year
45. 745A++
    HTWS026IX75check label

    2.5 kW · SEER 6.1 · 701 kWh/yr
    €199/year
46. 746A++
    OEM S026OEM3check label

    2.5 kW · SEER 6.1 · 701 kWh/yr
    €199/year
47. 747A+
    Infiniton SPTTC09A2check label

    2.3 kW · SEER 6.1 · 722 kWh/yr
    €204/year
48. 748A++
    Snowair SNWS026VE2check label

    2.5 kW · SEER 6.3 · 732 kWh/yr
    €207/year
49. 749A+++
    MAXA SDL26Rcheck label

    2.4 kW · SEER 9.3 · 743 kWh/yr
    €210/year
50. 750A+
    Nuova Polar Plus monoblock 2,5kWcheck label

    2.5 kW · SEER 6 · 760 kWh/yr
    €215/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