EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 2.5 kW · cooling and heating

LG AA09SP NS1/AA09SP U18

A+++

Uses less electricity than 93% of the 2,545 split air conditioners, under 3 kW on the EU register. At your selected price (European Union) that is €25 a year, €255 over ten years.

Cooling, SEER
9.7
Typical 6.9
Heating, SCOP
5.1
Typical 4.1
Cooling cost
€25 / year
+€218 if you also heat with it (average climate)

In the most efficient quarter of its group: 31 % below the typical 130 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. Of 57 LG models in this group, it is the most efficient.

Where it stands

Rank 142 of 2,545 split air conditioners, under 3 kW by yearly consumption. 141 use less.

Median 130 This model · 90 0 1,300 kWh ← uses less · uses more →

Next to it in the ranking

  1. A Hitachi RAC-18WSPA / RAK-18PSPA 88 kWh −€0.57
  2. A+++ Sinclair SOH+SIH-07BIMx 90 kWh same
  3. A+++ LG AA09SP NS1/AA09SP U18 90 kWh
  4. A+++ Samsung AR70H09CAABN/AR70H09CAAWX 90 kWh same
  5. A+++ LG NH09SP2 NS2 / NH09SP2 U24A 90 kWh same
See the full ranking

What it will cost you

Period AA09SP NS1/AA09SP U18 SRC20ZSX-WA_SRK20ZSX-W Difference
1 year €25 €20 −€6
5 years €127 €99 −€28
10 years €255 €198 −€57
15 years €382 €297 −€85

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 90 kWh / yr
Heating, average climate 769 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 6.1 344
Average (e.g. Strasbourg) 5.1 769
Colder (e.g. Helsinki) — —

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 AA09SP NS1/AA09SP U18 (this model)
2.5 kW9.7 90 — —
2.0 kW10.0 70 €6 €57
2.0 kW10.0 70 €6 €57
2.0 kW9.8 71 €5 €54
2.0 kW9.8 71 €5 €54
2.0 kW9.8 71 €5 €54

Label and product sheet

Energy class cooling / heating
A+++ / A+++
SEER
9.7
SCOP warmer / average / colder
6.1 / 5.1 / –
Cooling design load
2.5 kW
Heating design load (average)
2.8 kW
Yearly cooling
90 kWh
Yearly heating (average climate)
769 kWh
Sound power indoor / outdoor
60 / 60 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

2 model numbers are registered by LG with identical label values (usually colour or market variants). Searching any of them leads here.

AA09SP NS1/AA09SP U18 · AA09SB NS1/AA09SP U18

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

Questions

How much does the LG AA09SP NS1/AA09SP U18 cost to run?

At one cooling season as on the label it uses about 90 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €25 a year, or €255 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 9.7 and SCOP 5.1 in the average climate: higher is better.