EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.0 kW · cooling and heating

LG S18EQ UL2/S18EQ NSK

A++

Uses less electricity than 52% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €71 a year, €708 over ten years.

Cooling, SEER
7.0
Typical 6.8
Heating, SCOP
4.3
Typical 4.1
Cooling cost
€71 / year
+€360 if you also heat with it (average climate)

Near the middle of its group: 2 % below the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.3) is above the typical 4.1 of its group. LG has 68 models in this group; this one is number 21 among them. LG sells the same label values under other model names: AC18BQ UL2/AC18BQ NSK, DC18RQ UL2/DC18RQ NSK, PC18SQ UL2/PC18SQ NSK and 3 more. On the register since 2019 and still on sale.

Where it stands

Rank 2,395 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 2,394 use less.

Median 254 This model · 250 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ LG S18EC NSK/S18EC UL2 250 kWh same
  2. A++ LG S18EQ NSKS/S18EQ UL2S 250 kWh same
  3. A++ LG S18EQ UL2/S18EQ NSK 250 kWh
  4. A++ LG S18ET 250 kWh same
  5. A++ Nuova Stellar 5,0kW single split set 250 kWh same
See the full ranking

What it will cost you

Period S18EQ UL2/S18EQ NSK LEP35Xi R16 / LOP35Xo R16 Difference
1 year €71 €37 −€34
5 years €354 €185 −€169
10 years €708 €371 −€337
15 years €1,062 €556 −€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 250 kWh / yr
Heating, average climate 1,270 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.3 555
Average (e.g. Strasbourg) 4.3 1,270
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 S18EQ UL2/S18EQ NSK (this model)
5.0 kW7.0 250 — —
A+++ Rotenso LEP35Xi R16 / LOP35Xo R16 compare
5.1 kW9.4 131 €34 €337
A++ Lamborghini Caloreclima RUBINO S 18 compare
5.3 kW7.0 132 €33 €334
A++ Lamborghini Caloreclima RUBINO S 18 PLUS compare
5.3 kW7.0 132 €33 €334
A+++ Mitsubishi Heavy Industries SCM45ZS-W_SRK20ZSX-W_SRK25ZSX-W compare
4.5 kW9.1 174 €22 €215
A+++ Daikin FTXM20R2V1B / FTXM25R2V1B / 2MXM50A2V1B9 compare
4.5 kW8.7 181 €20 €195

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
7.0
SCOP warmer / average / colder
5.3 / 4.3 / –
Cooling design load
5.0 kW
Heating design load (average)
3.9 kW
Yearly cooling
250 kWh
Yearly heating (average climate)
1,270 kWh
Sound power indoor / outdoor
60 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

S18EQ UL2/S18EQ NSK

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

Questions

How much does the LG S18EQ UL2/S18EQ NSK cost to run?

At one cooling season as on the label it uses about 250 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €71 a year, or €708 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.0 and SCOP 4.3 in the average climate: higher is better.