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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

Hello Air HAAC-36 vs Warmtec KM35W

Hello Air HAAC-36 uses 420 kWh less a year: €119 a year at your price, €1,189 over ten years.

A Hello Air HAAC-36 A Warmtec KM35W
Yearly consumption 280 kWh700 kWh
Cost per year €79€198
Cost over 10 years €793€1,982
Rank in its group 1 / 848823 / 848
Group Portable air conditioners, 3 kWPortable air conditioners, 3 kW
Energy class cooling / heating A / – A / A+
EER 2.7 2.6
Cooling design load 3.5 kW 3.5 kW
Sound power indoor / outdoor 54 / 65 dB(A) 65 / – dB(A)
Refrigerant R290 (GWP 3) R290 (GWP 3)

If Warmtec KM35W 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 →