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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 4.2 kW · cooling and heating

Panasonic CS-Z42VKEW / CU-Z42VKE

A++

Uses less electricity than 82% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €60 a year, €603 over ten years.

Cooling, SEER
6.9
Typical 6.8
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€60 / year
+€357 if you also heat with it (average climate)

In the most efficient quarter of its group: 16 % below the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Panasonic has 101 models in this group; this one is number 21 among them. On the register since 2019 and still on sale.

Where it stands

Rank 893 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 892 use less.

Median 254 This model · 213 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Fujitsu AOYG14KETA/ASYG14KETE-B 213 kWh same
  2. A++ Fujitsu AOYG14KMCC/ASYG14KMCC 213 kWh same
  3. A++ Panasonic CS-Z42VKEW / CU-Z42VKE 213 kWh
  4. A++ Panasonic S-50PU2E5B / U-50PZH2E5 213 kWh same
  5. A++ Daikin ATXP20K3V1B / ATXP25K3V1B / 2AMXM50M3V1B 213 kWh same
See the full ranking

What it will cost you

Period CS-Z42VKEW / CU-Z42VKE 7733704026 Difference
1 year €60 €41 −€20
5 years €302 €204 −€98
10 years €603 €408 −€195
15 years €905 €612 −€293

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 213 kWh / yr
Heating, average climate 1,260 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-Z42VKEW / CU-Z42VKE (this model)
4.2 kW6.9 213 — —
4.0 kW8.5 144 €20 €195
4.0 kW8.5 144 €20 €195
4.1 kW2.6 145 €19 €193
4.2 kW9.9 148 €18 €184
4.2 kW9.9 148 €18 €184

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.9
SCOP warmer / average / colder
– / 4.0 / –
Cooling design load
4.2 kW
Heating design load (average)
3.6 kW
Yearly cooling
213 kWh
Yearly heating (average climate)
1,260 kWh
Sound power indoor / outdoor
59 / 64 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

2 model numbers are registered by Panasonic with identical label values (usually colour or market variants). Searching any of them leads here.

CS-Z42VKEW / CU-Z42VKE · CS-Z42TKEW / CU-Z42TKE

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

Questions

How much does the Panasonic CS-Z42VKEW / CU-Z42VKE cost to run?

At one cooling season as on the label it uses about 213 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €60 a year, or €603 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.9 and SCOP 4.0 in the average climate: higher is better.