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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

ONE Clima ONEPRO18/Y24 vs Warmtec Morso+ KP54W

ONE Clima ONEPRO18/Y24 uses 175 kWh less a year: €50 a year at your price, €496 over ten years.

A++ ONE Clima ONEPRO18/Y24 A+ Warmtec Morso+ KP54W
Yearly consumption 525 kWh700 kWh
Cost per year €149€198
Cost over 10 years €1,487€1,982
Rank in its group 17 / 337287 / 337
Group Portable air conditioners, 4–5 kWPortable air conditioners, 4–5 kW
Energy class cooling / heating A++ / A+ A+ / A++
EER 3.2 3.4
Cooling design load 5.1 kW 5.4 kW
Sound power indoor / outdoor 56 / 65 dB(A) 65 / – dB(A)
Refrigerant R32 (GWP 675) R290 (GWP 3)

If Warmtec Morso+ KP54W is cheaper to buy, the price gap is paid back by lower running costs only when it is smaller than the cost difference over the years you keep it. Work it out with your prices →