EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.5 kW · cooling and heating

KlimaWorld NEXA S5 E Inverter 9

A++

Uses less electricity than 59% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €34 a year, €343 over ten years.

Cooling, SEER
7.5
Typical 6.9
Heating, SCOP
4.2
Typical 4.1
Cooling cost
€34 / year
+€218 if you also heat with it (average climate)

Near the middle of its group: 7 % below the typical 130 kWh. Class A++ is the most common class in this group (65% of models). Heating efficiency (SCOP 4.2) is above the typical 4.1 of its group. It is the only KlimaWorld model in this group.

Where it stands

Rank 1,009 of 2,545 split air conditioners, under 3 kW by yearly consumption. 1,008 use less.

Median 130 This model · 121 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Sinclair SIP+SOP-09BI 121 kWh same
  2. A++ ECA FIEV0925HE32 121 kWh same
  3. A++ KlimaWorld NEXA S5 E Inverter 9 121 kWh
  4. A++ Olimpia Splendid OS-CAAQH10EI + OS-SAAQH10EI 121 kWh same
  5. A++ Olimpia Splendid OS-CANQH09EI + OS-SANQH09EI 121 kWh same
See the full ranking

What it will cost you

Period NEXA S5 E Inverter 9 SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €34 €20 −€14
5 years €171 €99 −€72
10 years €343 €198 −€144
15 years €514 €297 −€217

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 121 kWh / yr
Heating, average climate 769 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.2 673
Average (e.g. Strasbourg) 4.2 769
Colder (e.g. Helsinki) — —

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++ KlimaWorld NEXA S5 E Inverter 9 (this model)
2.5 kW7.5 121 — —
2.0 kW10.0 70 €14 €144
2.0 kW10.0 70 €14 €144
2.0 kW9.8 71 €14 €142
2.0 kW9.8 71 €14 €142
2.0 kW9.8 71 €14 €142

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
7.5
SCOP warmer / average / colder
5.2 / 4.2 / –
Cooling design load
2.5 kW
Heating design load (average)
2.3 kW
Yearly cooling
121 kWh
Yearly heating (average climate)
769 kWh
Sound power indoor / outdoor
54 / 59 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by KlimaWorld under one model number.

NEXA S5 E Inverter 9

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

Questions

How much does the KlimaWorld NEXA S5 E Inverter 9 cost to run?

At one cooling season as on the label it uses about 121 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €34 a year, or €343 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.5 and SCOP 4.2 in the average climate: higher is better.