Costs for 0.283 €/kWh · Eurostat 2026 H1

ONE Clima air conditioners: energy use compared

7 models on the EU register, 7 on sale. Each is compared with models of the same type and size from every brand. The typical ONE Clima model does better than 76 % of its group.

Model	Group	Rank in group	kWh / yr	€ / yr
ONE Clima ONEULTRA12/Y24	Portable air conditioners, 3 kW	5 / 848	350	€99
ONE Clima ONEPRO12/Y24	Portable air conditioners, 3 kW	41 / 848	385	€109
ONE Clima MLT18x2/Y24	Portable air conditioners, 4–5 kW	17 / 337	525	€149
ONE Clima ONEPRO18/Y24	Portable air conditioners, 4–5 kW	17 / 337	525	€149
ONE Clima ONEPRO24/Y24	Portable air conditioners, 6 kW and over	7 / 20	770	€218
ONE Clima ONEPRO09/Y24	Portable air conditioners, under 3 kW	229 / 1,963	280	€79
ONE Clima ONEULTRA09/Y24	Portable air conditioners, under 3 kW	1,963 / 1,963	2,415	€684

On this page 4 of 7 models are in the best quarter of their group. Rank 1 is the lowest consumption. All ONE Clima categories