EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Portable air conditioners · 4.3 kW · cooling only

Klarstein 10035742

A

Uses less electricity than 37% of the 337 portable air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €159 a year, €1,586 over ten years.

EER
2.6
Running cost
€159 / year
350 cooling hours
Per hour
€0.45
1.60 kWh

Right at the typical consumption of its group, 560 kWh a year. Class A is the most common class in this group (96% of models). Klarstein has 14 models in this group; this one is number 3 among them. Klarstein sells the same label values under other model names: 10035741. On the register since 2022 and still on sale.

Where it stands

Rank 81 of 337 portable air conditioners, 4–5 kW by yearly consumption. 80 use less.

Median 560 This model · 560 200 1,850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Nedis WIFIACMB1WT16 560 kWh same
  2. A Klarstein 10035741 560 kWh same
  3. A Klarstein 10035742 560 kWh
  4. A Fuave ACS14K01 560 kWh same
  5. A Nabo KA 14000 560 kWh same
See the full ranking

What it will cost you

Period 10035742 HY140 Difference
1 year €159 €69 −€89
5 years €793 €347 −€446
10 years €1,586 €694 −€892
15 years €2,379 €1,041 −€1,338

Is the more efficient model worth its price?

Years of use

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

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 Klarstein 10035742 (this model)
4.3 kW— 560 — —
4.1 kW— 245 €89 €892
4.1 kW— 315 €69 €694
4.0 kW— 350 €59 €595
4.1 kW— 350 €59 €595
4.0 kW— 350 €59 €595

Label and product sheet

Energy class cooling / heating
A / –
EER
2.6
Cooling design load
4.3 kW
Sound power indoor / outdoor
65 / 65 dB(A)
Refrigerant
R290 (GWP 3)

Model numbers and history

Registered by Klarstein under one model number.

10035742

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

Questions

How much does the Klarstein 10035742 cost to run?

At 350 cooling hours a year it uses about 560 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €159 a year, or €1,586 over ten years.