EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.5 kW · cooling and heating

Panasonic CS-Z25YKEA / CU-Z25YKEA

A+++

Uses less electricity than 92% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €26 a year, €261 over ten years.

Cooling, SEER
9.5
Typical 6.9
Heating, SCOP
4.6
Typical 4.1
Cooling cost
€26 / year
+€233 if you also heat with it (average climate)

In the most efficient quarter of its group: 29 % below the typical 130 kWh. Class A+++ is the best class any model in this group reaches. Heating efficiency (SCOP 4.6) is above the typical 4.1 of its group. Panasonic has 82 models in this group; this one is number 7 among them.

Where it stands

Rank 157 of 2,545 split air conditioners, under 3 kW by yearly consumption. 156 use less.

Median 130 This model · 92 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ Daikin FTXJ20MV1BW / RXJ20M5V1B 92 kWh same
  2. A+++ Daikin FTXJ20MV1BW / RXJ20M5V1B9 92 kWh same
  3. A+++ Panasonic CS-Z25YKEA / CU-Z25YKEA 92 kWh
  4. A+++ Mitsubishi Heavy Industries SRC25ZSX-S_SRK25ZSX-W 92 kWh same
  5. A+++ Fuji Electric ROG09LZCAN/RSG09LZCA 92 kWh same
See the full ranking

What it will cost you

Period CS-Z25YKEA / CU-Z25YKEA SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €26 €20 −€6
5 years €130 €99 −€31
10 years €261 €198 −€62
15 years €391 €297 −€93

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 92 kWh / yr
Heating, average climate 822 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-Z25YKEA / CU-Z25YKEA (this model)
2.5 kW9.5 92 — —
2.0 kW10.0 70 €6 €62
2.0 kW10.0 70 €6 €62
2.0 kW9.8 71 €6 €59
2.0 kW9.8 71 €6 €59
2.0 kW9.8 71 €6 €59

Label and product sheet

Energy class cooling / heating
A+++ / A++
SEER
9.5
SCOP warmer / average / colder
– / 4.6 / –
Cooling design load
2.5 kW
Heating design load (average)
2.7 kW
Yearly cooling
92 kWh
Yearly heating (average climate)
822 kWh
Sound power indoor / outdoor
55 / 61 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Panasonic under one model number.

CS-Z25YKEA / CU-Z25YKEA

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

Questions

How much does the Panasonic CS-Z25YKEA / CU-Z25YKEA cost to run?

At one cooling season as on the label it uses about 92 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €26 a year, or €261 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 9.5 and SCOP 4.6 in the average climate: higher is better.