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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

Panasonic CS-E21RB4EAW / CU-E21RBEA vs Panasonic CS-E9PB4EA / CU-E9PB4EA

Panasonic CS-E9PB4EA / CU-E9PB4EA uses 218 kWh less a year: €62 a year at your price, €617 over ten years.

A+ Panasonic CS-E21RB4EAW / CU-E21RBEA A+ Panasonic CS-E9PB4EA / CU-E9PB4EA
Yearly consumption 369 kWh151 kWh
Cost per year €105€43
Cost over 10 years €1,045€428
Rank in its group 5,131 / 5,15810 / 5,158
Group Split air conditioners, 4–5 kWSplit air conditioners, 4–5 kW
Energy class cooling / heating A+ / A+ A+ / A+
SEER 5.6 2.5
SCOP warmer / average / colder – / 4.1 / – – / 2.7 / –
Cooling design load 5.9 kW 5.8 kW
Heating design load (average) 4.0 kW 4.0 kW
Yearly cooling 369 kWh 151 kWh
Yearly heating (average climate) 1,366 kWh 945 kWh
Sound power indoor / outdoor 58 / 63 dB(A) 50 / 60 dB(A)
Refrigerant R410A (GWP 2088) R410A (GWP 2088)

If Panasonic CS-E21RB4EAW / CU-E21RBEA 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 →