Most energy-efficient air conditioners, 2.6–3.5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €27 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 80 · A+ 104 · A++ 1,992 · A+++ 783 · B 4 · C 1

1. 2701A++
   Kaisai KWX-12HRDI/KWX-12HRDO

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
2. 2702A++
   Kaisai Eco KEX-12KTAI/KEX-12KTAO

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
3. 2703A++
   Auratsu AWX-12KTAI/AWX-12KTAO

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
4. 2704A++
   Inventor PF2UVI-12WFI/PF2UVO-12

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
5. 2705A++
   Haier AS35PBAHRA/1U35YEGFRA-2

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
6. 2706A++
   Heiko JS035-QW2/JZ035-Q2

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
7. 2707A++
   Ecotermal ECT-ACS12

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
8. 2708A++
   Ocean ACSIH 12 OC A++

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
9. 2709A++
   Electrolux ERS12E37HWO 950011494

   3.5 kW · SEER 6.1 · 201 kWh/yr
   €57/year
10. 2710A++
    Pitsos P1ZAI1254W/P1ZAO1254W

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
11. 2711A++
    Midea PortaSplit

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
12. 2712A++
    Midea MA-12N8D0-SET

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
13. 2713A++
    Inventor N2UVI-12WFI/N2UVO-12

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
14. 2714A++
    Ariston ALYS R32 35 MUD0 3381271

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
15. 2715A++
    Whirlpool SPIW312A2WF/NA

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
16. 2716A++
    Beko BEHPGH 120/ BEHPGH 121 8504173200

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
17. 2717A++
    Junkers 7731200356

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
18. 2718A++
    Bosch 7731200360

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
19. 2719A++
    Vulcano 7731200409

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
20. 2720A++
    Junkers 7731200129

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
21. 2721A++
    Junkers 7731200133

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
22. 2722A++
    Vulcano 7731200139

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
23. 2723A++
    Vulcano 7731200143

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
24. 2724A++
    Johnson Controls JHKF12YEEGXFO-Y / JHKF12XEEGXF-RY

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
25. 2725A++
    Hitachi RAC-35WEF / RAK-35REF

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
26. 2726A++
    Hitachi RAC-35WED / RAK-35PED

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
27. 2727A++
    York YHKF12YEEGXFO-Y / YHKF12XEEGXF-RY

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
28. 2728A+
    Daikin FDXM50F3V1B9 / RZAG35A2V1B

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
29. 2729A++
    Daikin FVXM35A2V1B / RXTP35N2V1B8

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
30. 2730A++
    Daikin FVXM35A3V1B9 / RXTP35R2V1B

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
31. 2731A+
    Daikin FNA50A2VEB9 / RZAG35A2V1B

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
32. 2732A++
    Fuji Electric ROG12KBTB/RDG12KLLAP

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
33. 2733A++
    Fuji Electric ROG12KATA/RCG12KVLA

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
34. 2734A++
    MAXA XDL35R

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
35. 2735A++
    Clivet MLA1-Y 35M+ILA1-Y 35M

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
36. 2736A++
    Vaillant VAI8-035WN

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
37. 2737A++
    Saunier Duval SDH19-035NW

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
38. 2738A++
    Panasonic CS-TE35TKEW / CU-TE35TKE

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
39. 2739A++
    REMKO SKW 351 DC

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
40. 2740A++
    Hisense TG35LE0EG / TG35LE0EW

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
41. 2741A++
    Gorenje PANDORA35OUT TE

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
42. 2742A++
    Gorenje PANDORA35 TE01

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
43. 2743A++
    Fisher FSKIF-122AE3-EU/FSOIF-122AE3

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
44. 2744A+
    Fisher FSKIF-121AE2-EU/FSOIF-121AE2

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
45. 2745A+
    Fisher FSFIF-121AE2/FSOIF-121AE2

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
46. 2746A++
    Fisher FSAI-SU-123AE3 / FSOAI-SU-123AE3

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
47. 2747A++
    Hamilton Digital HDWI-DSGN-120C / HDOI-DSGN-120C

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
48. 2748A++
    Inventor O3MVI32-12WiFiR/O3MVO32-12

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
49. 2749A++
    Inventor ΝUVI-12WF/ΝUVO-12

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/year
50. 2750A++
    NOBU NBKU2VI32-12WFR/NBKU2VO32-12

    3.5 kW · SEER 6.1 · 201 kWh/yr
    €57/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