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

Split air conditioners · 5.0 kW · cooling and heating

LG UU18WR U20/CL18R N20

A++

Uses less electricity than 30% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €79 a year, €787 over ten years.

Cooling, SEER
6.3
Typical 6.8
Heating, SCOP
3.9
Typical 4.1
Cooling cost
€79 / year
+€411 if you also heat with it (average climate)

Near the middle of its group: 9 % above the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 3.9) is below the typical 4.1 of its group. LG has 68 models in this group; this one is number 53 among them. On the register since 2019 and still on sale.

Where it stands

Rank 3,575 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,574 use less.

Median 254 This model · 278 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Inventor V5MKI32-18WiFiR/U5MRS32-18 278 kWh same
  2. A++ LG UU18WR U20/CM18R N10 278 kWh same
  3. A++ LG UU18WR U20/CL18R N20 278 kWh
  4. A++ Qlima SM 38 DUO 278 kWh same
  5. A+ Emmeti XECO-2415TE XECO-07-09XXX 278 kWh same
See the full ranking

What it will cost you

Period UU18WR U20/CL18R N20 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €79 €37 −€42
5 years €394 €185 −€208
10 years €787 €371 −€416
15 years €1,181 €556 −€624

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 278 kWh / yr
Heating, average climate 1,453 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++ LG UU18WR U20/CL18R N20 (this model)
5.0 kW6.3 278 — —
5.1 kW9.4 131 €42 €416
5.3 kW7.0 132 €41 €413
5.3 kW7.0 132 €41 €413
4.5 kW9.1 174 €29 €295
4.5 kW8.7 181 €27 €275

Label and product sheet

Energy class cooling / heating
A++ / A
SEER
6.3
SCOP warmer / average / colder
– / 3.9 / –
Cooling design load
5.0 kW
Heating design load (average)
4.1 kW
Yearly cooling
278 kWh
Yearly heating (average climate)
1,453 kWh
Sound power indoor / outdoor
54 / 63 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

UU18WR U20/CL18R N20

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

Questions

How much does the LG UU18WR U20/CL18R N20 cost to run?

At one cooling season as on the label it uses about 278 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €79 a year, or €787 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.3 and SCOP 3.9 in the average climate: higher is better.