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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9+12 vs Hitachi RAS-5HNC2E - RPI-5.0FSRE

Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9+12 uses 170 kWh less a year: €48 a year at your price, €481 over ten years.

A++ Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9+12 A+ Hitachi RAS-5HNC2E - RPI-5.0FSRE
Yearly consumption 563 kWh733 kWh
Cost per year €159€208
Cost over 10 years €1,594€2,076
Rank in its group 11,759 / 14,30113,676 / 14,301
Group Split air conditioners, 6 kW and overSplit air conditioners, 6 kW and over
Energy class cooling / heating A++ / A A+ / A
SEER 7.1 5.7
SCOP warmer / average / colder 4.8 / 3.8 / – – / 3.9 / –
Cooling design load 11.5 kW 11.9 kW
Heating design load (average) 8.8 kW 11.9 kW
Yearly cooling 563 kWh 733 kWh
Yearly heating (average climate) 3,249 kWh 4,248 kWh
Sound power indoor / outdoor 56 / 69 dB(A) 64 / 70 dB(A)
Refrigerant R32 (GWP 675) R410A (GWP 2088)

If Hitachi RAS-5HNC2E - RPI-5.0FSRE 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 →