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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.5 kW · cooling and heating

LG S09EH

A++

Uses less electricity than 40% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €38 a year, €382 over ten years.

Cooling, SEER
6.5
Typical 6.9
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€38 / year
+€228 if you also heat with it (average climate)

Near the middle of its group: 4 % above the typical 130 kWh. Class A++ is the most common class in this group (65% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. LG has 57 models in this group; this one is number 46 among them. On the register since 2020 and still on sale.

Where it stands

Rank 1,451 of 2,545 split air conditioners, under 3 kW by yearly consumption. 1,450 use less.

Median 130 This model · 135 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Storm ST18572 STORM MITE BASIC EVO MONO KW 2,5 R32 INVERTER 135 kWh same
  2. A++ Zephir ZVC9000 135 kWh same
  3. A++ LG S09EH 135 kWh
  4. A++ Digiquest Solutions DIGIQUEST 9000BTU CLIMAINT25 135 kWh same
  5. A++ LG S09EW 135 kWh same
See the full ranking

What it will cost you

Period S09EH SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €38 €20 −€18
5 years €191 €99 −€92
10 years €382 €198 −€184
15 years €573 €297 −€276

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 135 kWh / yr
Heating, average climate 805 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 4.8 379
Average (e.g. Strasbourg) 4.0 805
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++ LG S09EH (this model)
2.5 kW6.5 135 — —
2.0 kW10.0 70 €18 €184
2.0 kW10.0 70 €18 €184
2.0 kW9.8 71 €18 €181
2.0 kW9.8 71 €18 €181
2.0 kW9.8 71 €18 €181

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.5
SCOP warmer / average / colder
4.8 / 4.0 / –
Cooling design load
2.5 kW
Heating design load (average)
2.3 kW
Yearly cooling
135 kWh
Yearly heating (average climate)
805 kWh
Sound power indoor / outdoor
60 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

S09EH

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

Questions

How much does the LG S09EH cost to run?

At one cooling season as on the label it uses about 135 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €38 a year, or €382 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.5 and SCOP 4.0 in the average climate: higher is better.