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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 5.0 kW · cooling and heating

LG UUB1 U20/CT18F NQ0

A++

Uses less electricity than 33% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €77 a year, €773 over ten years.

Cooling, SEER
6.4
Typical 6.8
Heating, SCOP
4.3
Typical 4.1
Cooling cost
€77 / year
+€378 if you also heat with it (average climate)

Near the middle of its group: 7 % above 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 50 among them. On the register since 2019 and still on sale.

Where it stands

Rank 3,330 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 3,329 use less.

Median 254 This model · 273 100 850 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Hisense ACT52UR4RCC8 / AUW52U4RS7 273 kWh same
  2. A++ Gree GWH18UC-K6DNA4A 273 kWh same
  3. A++ LG UUB1 U20/CT18F NQ0 273 kWh
  4. A++ Samsung AC052RNCDKG/AC052RXADKG 273 kWh same
  5. A++ Panasonic S-50PT2E5A / U-50PE1E5 273 kWh same
See the full ranking

What it will cost you

Period UUB1 U20/CT18F NQ0 LEP35Xi R16 / LOP35Xo R16 Difference
1 year €77 €37 −€40
5 years €387 €185 −€201
10 years €773 €371 −€402
15 years €1,160 €556 −€603

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 273 kWh / yr
Heating, average climate 1,335 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/CT18F NQ0 (this model)
5.0 kW6.4 273 — —
5.1 kW9.4 131 €40 €402
5.3 kW7.0 132 €40 €399
5.3 kW7.0 132 €40 €399
4.5 kW9.1 174 €28 €280
4.5 kW8.7 181 €26 €261

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
6.4
SCOP warmer / average / colder
– / 4.3 / –
Cooling design load
5.0 kW
Heating design load (average)
4.1 kW
Yearly cooling
273 kWh
Yearly heating (average climate)
1,335 kWh
Sound power indoor / outdoor
57 / 63 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

UUB1 U20/CT18F NQ0

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

Questions

How much does the LG UUB1 U20/CT18F NQ0 cost to run?

At one cooling season as on the label it uses about 273 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €77 a year, or €773 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 6.4 and SCOP 4.3 in the average climate: higher is better.