EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 12.0 kW · cooling and heating

LG UUD1 U30/UM42F N21

A+

Uses less electricity than 4% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €212 a year, €2,124 over ten years.

Cooling, SEER
5.6
Typical 6.9
Heating, SCOP
3.9
Typical 4.1
Cooling cost
€212 / year
+€966 if you also heat with it (average climate)

Uses more than most comparable models: 96 % of them need less. electriQ IQOOL-4MS12K12K12K12K, the most efficient alternative on sale, saves about €129 a year. 83% of comparable models reach a better class than A+; the most common is A++. Heating efficiency (SCOP 3.9) is below the typical 4.1 of its group. LG has 131 models in this group; this one is number 124 among them. LG sells the same label values under other model names: UUD1 U30/UM42F N20, UUD3 U30/UM42F N20, UUD3 U30/UM42F N21.

Where it stands

Rank 13,708 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 13,707 use less.

Median 402 This model · 750 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+ Daikin FVQ125CVEB / RZQG125L9V1B 749 kWh −€0.28
  2. A+ LG UUD1 U30/UM42F N20 750 kWh same
  3. A+ LG UUD1 U30/UM42F N21 750 kWh
  4. A+ LG UUD3 U30/UM42F N20 750 kWh same
  5. A+ LG UUD3 U30/UM42F N21 750 kWh same
See the full ranking

What it will cost you

Period UUD1 U30/UM42F N21 IQOOL-4MS12K12K12K12K Difference
1 year €212 €83 −€129
5 years €1,062 €416 −€646
10 years €2,124 €833 −€1,291
15 years €3,186 €1,249 −€1,937

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 750 kWh / yr
Heating, average climate 3,410 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 UUD1 U30/UM42F N21 (this model)
12.0 kW5.6 750 — —
12.2 kW6.1 294 €129 €1,291
11.5 kW7.1 563 €53 €530
11.5 kW7.1 563 €53 €530
12.1 kW7.5 565 €52 €524
12.1 kW7.5 565 €52 €524

Label and product sheet

Energy class cooling / heating
A+ / A
SEER
5.6
SCOP warmer / average / colder
– / 3.9 / –
Cooling design load
12.0 kW
Heating design load (average)
9.5 kW
Yearly cooling
750 kWh
Yearly heating (average climate)
3,410 kWh
Sound power indoor / outdoor
62 / 69 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

UUD1 U30/UM42F N21

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

Questions

How much does the LG UUD1 U30/UM42F N21 cost to run?

At one cooling season as on the label it uses about 750 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €212 a year, or €2,124 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 5.6 and SCOP 3.9 in the average climate: higher is better.