EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 6.2 kW · cooling and heating

LG MU3M21 UE4/DM07RP NSJ

A++

Uses less electricity than 96% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €84 a year, €835 over ten years.

Cooling, SEER
7.3
Typical 6.9
Heating, SCOP
4.2
Typical 4.1
Cooling cost
€84 / year
+€490 if you also heat with it (average climate)

Only 449 of 14,301 split air conditioners, 6 kW and over do better. Class A++ is the most common class in this group (80% of models). Heating efficiency (SCOP 4.2) is above the typical 4.1 of its group. LG has 131 models in this group; this one is number 5 among them. On the register since 2019 and still on sale.

Where it stands

Rank 450 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 449 use less.

Median 402 This model · 295 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Hitachi RAM-68NP3E / RAK-15QPE + RAK-25RPE + RAK-25RXE 295 kWh same
  2. A++ Hitachi RAM-68NP3E / RAK-18RPE + RAK-18QXE + RAK-50RXE 295 kWh same
  3. A++ LG MU3M21 UE4/DM07RP NSJ 295 kWh
  4. A++ Hitachi RAM-68NP3E / RAK-25RXE + RAK-35RPE + RAK-35RXE 295 kWh same
  5. A++ Hitachi RAM-68NP3E / RAK-25RXE + RAK-35RXE + RAK-50RXE 295 kWh same
See the full ranking

What it will cost you

Period MU3M21 UE4/DM07RP NSJ SCM50ZS-W_SRK20ZSX-Wx3 Difference
1 year €84 €56 −€27
5 years €418 €282 −€136
10 years €835 €564 −€272
15 years €1,253 €845 −€408

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 295 kWh / yr
Heating, average climate 1,729 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 MU3M21 UE4/DM07RP NSJ (this model)
6.2 kW7.3 295 — —
A+++ Mitsubishi Heavy Industries SCM50ZS-W_SRK20ZSX-Wx3 compare
6.0 kW8.8 199 €27 €272
A++ Midea EZ-18RD6-I / MX4H-18RD6 compare
6.1 kW7.1 206 €25 €252
A++ Midea EZB-18RD6-I / MX4H-18RD6 compare
6.1 kW7.1 206 €25 €252
A+++ Mitsubishi Heavy Industries SCM60ZS-W_SRK20ZSX-Wx3 compare
6.0 kW8.8 239 €16 €159
A+++ AUX ASW-H24F4/C SERIES-EU compare
6.1 kW8.7 246 €14 €139

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
7.3
SCOP warmer / average / colder
– / 4.2 / –
Cooling design load
6.2 kW
Heating design load (average)
5.2 kW
Yearly cooling
295 kWh
Yearly heating (average climate)
1,729 kWh
Sound power indoor / outdoor
56 / 64 dB(A)
Refrigerant
R410A (GWP 2088)

Model numbers and history

Registered by LG under one model number.

MU3M21 UE4/DM07RP NSJ

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

Questions

How much does the LG MU3M21 UE4/DM07RP NSJ cost to run?

At one cooling season as on the label it uses about 295 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €84 a year, or €835 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.3 and SCOP 4.2 in the average climate: higher is better.