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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.5 kW · cooling and heating

Panasonic CS-CZ25ZKE / CU-CZ25ZKE

A++

Uses less electricity than 46% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €37 a year, €371 over ten years.

Cooling, SEER
6.7
Typical 6.9
Heating, SCOP
4.3
Typical 4.1
Cooling cost
€37 / year
+€258 if you also heat with it (average climate)

Near the middle of its group: 1 % above the typical 130 kWh. Class A++ is the most common class in this group (65% of models). Heating efficiency (SCOP 4.3) is above the typical 4.1 of its group. Panasonic has 82 models in this group; this one is number 58 among them.

Where it stands

Rank 1,328 of 2,545 split air conditioners, under 3 kW by yearly consumption. 1,327 use less.

Median 130 This model · 131 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Fujitsu AOYG09KPCA/ASYG09KPCA 131 kWh same
  2. A++ Fujitsu AOYG025KPCA/ASYG025KPCA 131 kWh same
  3. A++ Panasonic CS-CZ25ZKE / CU-CZ25ZKE 131 kWh
  4. A++ Fuji Electric ROG09KPCA/RSG09KPCA 131 kWh same
  5. A++ General AOHG09KPCA/ASHG09KPCA 131 kWh same
See the full ranking

What it will cost you

Period CS-CZ25ZKE / CU-CZ25ZKE SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €37 €20 −€17
5 years €185 €99 −€86
10 years €371 €198 −€173
15 years €556 €297 −€259

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 131 kWh / yr
Heating, average climate 912 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-CZ25ZKE / CU-CZ25ZKE (this model)
2.5 kW6.7 131 — —
2.0 kW10.0 70 €17 €173
2.0 kW10.0 70 €17 €173
2.0 kW9.8 71 €17 €170
2.0 kW9.8 71 €17 €170
2.0 kW9.8 71 €17 €170

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.7
SCOP warmer / average / colder
– / 4.3 / –
Cooling design load
2.5 kW
Heating design load (average)
2.8 kW
Yearly cooling
131 kWh
Yearly heating (average climate)
912 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-CZ25ZKE / CU-CZ25ZKE

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

Questions

How much does the Panasonic CS-CZ25ZKE / CU-CZ25ZKE cost to run?

At one cooling season as on the label it uses about 131 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €37 a year, or €371 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.7 and SCOP 4.3 in the average climate: higher is better.