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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

Brunner TWINAIR 3 vs Homday 517991

Homday 517991 uses 211 kWh less a year: €60 a year at your price, €598 over ten years.

A Brunner TWINAIR 3 B Homday 517991
Yearly consumption 509 kWh298 kWh
Cost per year €144€84
Cost over 10 years €1,441€844
Rank in its group —2,536 / 2,545
Group Split air conditioners, under 3 kWSplit air conditioners, under 3 kW
Energy class cooling / heating A / – B / –
SEER 2.6 2.4
Cooling design load 0.3 kW 0.8 kW
Yearly cooling 509 kWh 298 kWh
Sound power indoor / outdoor 53 / 60 dB(A) 64 / 64 dB(A)
Refrigerant R290 (GWP 3) MOBILE AIR CONDITIONER (GWP 2088)

If Brunner TWINAIR 3 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 →