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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.0 kW · cooling and heating

LG UU18WR U20/CT18R NQ0

A++

Uses less electricity than 29% 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, €793 over ten years.

Cooling, SEER
6.2
Typical 6.8
Heating, SCOP
4.2
Typical 4.1
Cooling cost
€79 / year
+€383 if you also heat with it (average climate)

Near the middle of its group: 10 % above the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.2) is above the typical 4.1 of its group. LG has 68 models in this group; this one is number 56 among them. On the register since 2019 and still on sale.

Where it stands

Rank 3,621 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,620 use less.

Median 254 This model · 280 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Fujitsu AOYG18KBTB/ARXG18KHTAP 280 kWh same
  2. A++ Ariston NEVIS PLUS 50 MUD0 3381293 280 kWh same
  3. A++ LG UU18WR U20/CT18R NQ0 280 kWh
  4. A++ Sinclair ASP-18AI 280 kWh same
  5. A+ Panasonic CS-E7QKEW + CS-E12QKEW / CU-2E18SBE 280 kWh same
See the full ranking

What it will cost you

Period UU18WR U20/CT18R NQ0 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €79 €37 −€42
5 years €396 €185 −€211
10 years €793 €371 −€422
15 years €1,189 €556 −€633

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 280 kWh / yr
Heating, average climate 1,351 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/CT18R NQ0 (this model)
5.0 kW6.2 280 — —
5.1 kW9.4 131 €42 €422
5.3 kW7.0 132 €42 €419
5.3 kW7.0 132 €42 €419
4.5 kW9.1 174 €30 €300
4.5 kW8.7 181 €28 €280

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.2
SCOP warmer / average / colder
– / 4.2 / –
Cooling design load
5.0 kW
Heating design load (average)
4.1 kW
Yearly cooling
280 kWh
Yearly heating (average climate)
1,351 kWh
Sound power indoor / outdoor
57 / 63 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

UU18WR U20/CT18R NQ0

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

Questions

How much does the LG UU18WR U20/CT18R NQ0 cost to run?

At one cooling season as on the label it uses about 280 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 €793 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.2 and SCOP 4.2 in the average climate: higher is better.