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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 4.2 kW · cooling and heating

Panasonic CS-TE42TKEW / CU-TE42TKE

A+

Uses less electricity than 44% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €74 a year, €745 over ten years.

Cooling, SEER
5.6
Typical 6.8
Heating, SCOP
3.8
Typical 4.1
Cooling cost
€74 / year
+€376 if you also heat with it (average climate)

Near the middle of its group: 4 % above the typical 254 kWh. 90% of comparable models reach a better class than A+; the most common is A++. Heating efficiency (SCOP 3.8) is below the typical 4.1 of its group. Panasonic has 101 models in this group; this one is number 63 among them. On the register since 2019 and still on sale.

Where it stands

Rank 2,848 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 2,847 use less.

Median 254 This model · 263 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Fujitsu AOYG18KBTA2/ASYG09KGTB/ASYG09KGTB 263 kWh same
  2. A+++ General AOHG18KBTA2/ASHG09KGTB/ASHG09KGTB 263 kWh same
  3. A+ Panasonic CS-TE42TKEW / CU-TE42TKE 263 kWh
  4. A Emmeti XECO-2815QE XECO-07-07XXX 263 kWh same
  5. A++ Arielli AAS-18H415 WIFI 264 kWh +€0.28
See the full ranking

What it will cost you

Period CS-TE42TKEW / CU-TE42TKE 7733704026 Difference
1 year €74 €41 −€34
5 years €372 €204 −€169
10 years €745 €408 −€337
15 years €1,117 €612 −€506

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 263 kWh / yr
Heating, average climate 1,326 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-TE42TKEW / CU-TE42TKE (this model)
4.2 kW5.6 263 — —
4.0 kW8.5 144 €34 €337
4.0 kW8.5 144 €34 €337
4.1 kW2.6 145 €33 €334
4.2 kW9.9 148 €33 €326
4.2 kW9.9 148 €33 €326

Label and product sheet

Energy class cooling / heating
A+ / A
SEER
5.6
SCOP warmer / average / colder
– / 3.8 / –
Cooling design load
4.2 kW
Heating design load (average)
3.6 kW
Yearly cooling
263 kWh
Yearly heating (average climate)
1,326 kWh
Sound power indoor / outdoor
60 / 64 dB(A)
Refrigerant
R410A (GWP 2088)

Model numbers and history

Registered by Panasonic under one model number.

CS-TE42TKEW / CU-TE42TKE

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

Questions

How much does the Panasonic CS-TE42TKEW / CU-TE42TKE cost to run?

At one cooling season as on the label it uses about 263 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €74 a year, or €745 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 5.6 and SCOP 3.8 in the average climate: higher is better.