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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.5 kW · cooling and heating

Panasonic CS-RZ25VKEW / CU-RZ25VKE

A++

Uses less electricity than 39% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €39 a year, €388 over ten years.

Cooling, SEER
6.4
Typical 6.9
Heating, SCOP
4.2
Typical 4.1
Cooling cost
€39 / year
+€227 if you also heat with it (average climate)

Near the middle of its group: 5 % above the typical 130 kWh. Class A++ is the most common class in this group (65% of models). Heating efficiency (SCOP 4.2) is above the typical 4.1 of its group. Panasonic has 82 models in this group; this one is number 65 among them. On the register since 2019 and still on sale.

Where it stands

Rank 1,527 of 2,545 split air conditioners, under 3 kW by yearly consumption. 1,526 use less.

Median 130 This model · 137 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Qlima SC 4325 137 kWh same
  2. A++ Qlima SC-JA 2519 137 kWh same
  3. A++ Panasonic CS-RZ25VKEW / CU-RZ25VKE 137 kWh
  4. A++ Qlima SC 5225 CB 137 kWh same
  5. A++ Beko BEVCA 090/BEVCA 091 8868503200/8868493200 137 kWh same
See the full ranking

What it will cost you

Period CS-RZ25VKEW / CU-RZ25VKE SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €39 €20 −€19
5 years €194 €99 −€95
10 years €388 €198 −€190
15 years €582 €297 −€285

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Cooling and heating

Cooling season 137 kWh / yr
Heating, average climate 800 kWh / yr

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model CoolingSEER kWh / yr Saves / year in 10 years
A++ Panasonic CS-RZ25VKEW / CU-RZ25VKE (this model)
2.5 kW6.4 137 — —
2.0 kW10.0 70 €19 €190
2.0 kW10.0 70 €19 €190
2.0 kW9.8 71 €19 €187
2.0 kW9.8 71 €19 €187
2.0 kW9.8 71 €19 €187

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.4
SCOP warmer / average / colder
– / 4.2 / –
Cooling design load
2.5 kW
Heating design load (average)
2.4 kW
Yearly cooling
137 kWh
Yearly heating (average climate)
800 kWh
Sound power indoor / outdoor
56 / 62 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Panasonic under one model number.

CS-RZ25VKEW / CU-RZ25VKE

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the Panasonic CS-RZ25VKEW / CU-RZ25VKE cost to run?

At one cooling season as on the label it uses about 137 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €39 a year, or €388 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.4 and SCOP 4.2 in the average climate: higher is better.