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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 3.5 kW · cooling and heating

LG F12MT

A+++

Uses less electricity than 94% of the 3,067 split air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €38 a year, €382 over ten years.

Cooling, SEER
9.1
Typical 6.5
Heating, SCOP
5.1
Typical 4.1
Cooling cost
€38 / year
+€295 if you also heat with it (average climate)

In the most efficient quarter of its group: 27 % below the typical 184 kWh. Class A+++ is the best class any model in this group reaches. Heating efficiency (SCOP 5.1) is above the typical 4.1 of its group. LG has 58 models in this group; this one is number 5 among them. On the register since 2020 and still on sale.

Where it stands

Rank 139 of 3,067 split air conditioners, 3 kW by yearly consumption. 138 use less.

Median 184 This model · 135 0 450 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+++ Daikin ATXM35A5V1B / ARXM35A5V1B 135 kWh same
  2. A+++ Daikin ATXM35A5V1B / ARXM35A5V1B9 135 kWh same
  3. A+++ LG F12MT 135 kWh
  4. A+++ Fuji Electric ROG12KHCAN/RSG12KHCA 135 kWh same
  5. A+++ Fujitsu AOYG12KHCAN/ASYG12KHCA 135 kWh same
See the full ranking

What it will cost you

Period F12MT NF-ST30CR Difference
1 year €38 €1 −€37
5 years €191 €4 −€187
10 years €382 €8 −€374
15 years €573 €13 −€561

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 135 kWh / yr
Heating, average climate 1,043 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 F12MT (this model)
3.5 kW9.1 135 — —
3.0 kW50.0 3 €37 €374
3.0 kW9.3 102 €9 €93
3.0 kW8.8 103 €9 €91
3.0 kW8.8 103 €9 €91
3.0 kW9.0 112 €7 €65

Label and product sheet

Energy class cooling / heating
A+++ / A+++
SEER
9.1
SCOP warmer / average / colder
– / 5.1 / –
Cooling design load
3.5 kW
Heating design load (average)
3.8 kW
Yearly cooling
135 kWh
Yearly heating (average climate)
1,043 kWh
Sound power indoor / outdoor
60 / 65 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by LG under one model number.

F12MT

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

Questions

How much does the LG F12MT cost to run?

At one cooling season as on the label it uses about 135 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €38 a year, or €382 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 9.1 and SCOP 5.1 in the average climate: higher is better.