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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.0 kW · cooling and heating

LG CM18F NA0/UUB1 U20

A++

Uses less electricity than 27% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €80 a year, €799 over ten years.

Cooling, SEER
6.2
Typical 6.8
Heating, SCOP
4.1
Typical 4.1
Cooling cost
€80 / year
+€396 if you also heat with it (average climate)

Near the middle of its group: 11 % above the typical 254 kWh. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.1) is above the typical 4.1 of its group. LG has 68 models in this group; this one is number 57 among them.

Where it stands

Rank 3,691 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,690 use less.

Median 254 This model · 282 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Daikin CTXM15R5V1B / FBA35A2VEB9 / 4MWXM52A2V1B 282 kWh same
  2. A++ Daikin CTXM15R5V1B / FBA35A2VEB9 / 4MWXM52A2V1B9 282 kWh same
  3. A++ LG CM18F NA0/UUB1 U20 282 kWh
  4. A++ Daikin FTXF50D2V1B / RXF50D5V1B 282 kWh same
  5. A++ Daikin FTXF50D2V1B / RXF50D6V1B 282 kWh same
See the full ranking

What it will cost you

Period CM18F NA0/UUB1 U20 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €80 €37 −€43
5 years €399 €185 −€214
10 years €799 €371 −€428
15 years €1,198 €556 −€641

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 282 kWh / yr
Heating, average climate 1,400 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 CM18F NA0/UUB1 U20 (this model)
5.0 kW6.2 282 — —
5.1 kW9.4 131 €43 €428
5.3 kW7.0 132 €42 €425
5.3 kW7.0 132 €42 €425
4.5 kW9.1 174 €31 €306
4.5 kW8.7 181 €29 €286

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.2
SCOP warmer / average / colder
– / 4.1 / –
Cooling design load
5.0 kW
Heating design load (average)
4.1 kW
Yearly cooling
282 kWh
Yearly heating (average climate)
1,400 kWh
Sound power indoor / outdoor
60 / 63 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

CM18F NA0/UUB1 U20

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

Questions

How much does the LG CM18F NA0/UUB1 U20 cost to run?

At one cooling season as on the label it uses about 282 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €80 a year, or €799 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.2 and SCOP 4.1 in the average climate: higher is better.