EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.0 kW · cooling and heating

LG UUB1 U20/CM18F N18A0

A++

Uses less electricity than 9% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €85 a year, €850 over ten years.

Cooling, SEER
6.1
Typical 6.8
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€85 / year
+€425 if you also heat with it (average climate)

Uses more than most comparable models: 91 % of them need less. Rotenso LEP35Xi R16 / LOP35Xo R16, the most efficient alternative on sale, saves about €48 a year. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. LG has 68 models in this group; this one is number 63 among them. Registered in Sept 2026, one of the newer models in its group.

Where it stands

Rank 4,627 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 4,626 use less.

Median 254 This model · 300 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Hitachi RAC-50FXA / RAF-50PXA 299 kWh −€0.28
  2. A Hitachi RAC-50FPA / RAF-50RPA 299 kWh −€0.28
  3. A++ LG UUB1 U20/CM18F N18A0 300 kWh
  4. A++ Ariston DUAL 50 ALYS NET_UA1-I 12+18 300 kWh same
  5. A++ Ariston DUAL 50 PRIOS NET_UA1-I 12+18 300 kWh same
See the full ranking

What it will cost you

Period UUB1 U20/CM18F N18A0 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €85 €37 −€48
5 years €425 €185 −€239
10 years €850 €371 −€479
15 years €1,274 €556 −€718

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 300 kWh / yr
Heating, average climate 1,500 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 UUB1 U20/CM18F N18A0 (this model)
5.0 kW6.1 300 — —
A+++ Rotenso LEP35Xi R16 / LOP35Xo R16 compare
5.1 kW9.4 131 €48 €479
A++ Lamborghini Caloreclima RUBINO S 18 compare
5.3 kW7.0 132 €48 €476
A++ Lamborghini Caloreclima RUBINO S 18 PLUS compare
5.3 kW7.0 132 €48 €476
A+++ Mitsubishi Heavy Industries SCM45ZS-W_SRK20ZSX-W_SRK25ZSX-W compare
4.5 kW9.1 174 €36 €357
A+++ Daikin FTXM20R2V1B / FTXM25R2V1B / 2MXM50A2V1B9 compare
4.5 kW8.7 181 €34 €337

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.1
SCOP warmer / average / colder
– / 4.0 / –
Cooling design load
5.0 kW
Heating design load (average)
4.1 kW
Yearly cooling
300 kWh
Yearly heating (average climate)
1,500 kWh
Sound power indoor / outdoor
60 / 63 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

UUB1 U20/CM18F N18A0

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

Questions

How much does the LG UUB1 U20/CM18F N18A0 cost to run?

At one cooling season as on the label it uses about 300 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €85 a year, or €850 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.1 and SCOP 4.0 in the average climate: higher is better.