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. 751A
   Ln Distribution JM-4000Dcheck label

   2.2 kW · SEER 3.2 · 803 kWh/yr
   €227/year
2. 752A++
   Johnson Controls JHKF09YEEGXFO-Y / JHKF09XEEGXF-RYcheck label

   2.3 kW · SEER 6.5 · 840 kWh/yr
   €238/year
3. 753A++
   York YHKF09YEEGXFO-Y / YHKF09XEEGXF-RYcheck label

   2.3 kW · SEER 6.5 · 840 kWh/yr
   €238/year
4. 754A
   Trisa Electronics AG 9379.70check label

   2 kW · SEER 2.6 · 1,163 kWh/yr
   €329/year
5. 755A
   Ningbo Jay&Min International Trading Company JM-250Fcheck label

   1.3 kW · SEER 3.2 · 1,927 kWh/yr
   €546/year
6. 756A
   Carbone JM-250Fcheck label

   1.3 kW · SEER 3.2 · 1,927 kWh/yr
   €546/year
7. 757A
   Stier HACD-50check label

   0.7 kW · SEER 2.4 · 1,927 kWh/yr
   €546/year
8. 758A
   Zhongshan United Star Electrical Appliance Manufacturing SKY-Acheck label

   1 kW · SEER 2.7 · 2,050 kWh/yr
   €581/year
9. 759A
   Stier 907589check label

   0.6 kW · SEER 2.4 · 3,066 kWh/yr
   €868/year
10. 760A
    Elyon HAID-480Fcheck label

    1.3 kW · SEER 2.4 · 5,500 kWh/yr
    €1,558/year
11. 761A
    Elyon HAID-840Fcheck label

    1.3 kW · SEER 2.4 · 7,000 kWh/yr
    €1,982/year
12. 762A
    Handson 131842check label

    2 kW · SEER 2.6 · 7,008 kWh/yr
    €1,985/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