EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 12.5 kW · cooling and heating

Ariston PENTA 121 NEVIS NET_UA1-I 9+9+12+12+18

A++

Uses less electricity than 1% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €279 a year, €2,787 over ten years.

Cooling, SEER
7.6
Typical 6.9
Heating, SCOP
4.0
Typical 4.1
Cooling cost
€279 / year
+€938 if you also heat with it (average climate)

Uses more than most comparable models: 99 % of them need less. electriQ IQOOL-4MS12K12K12K12K, the most efficient alternative on sale, saves about €195 a year. Class A++ is the most common class in this group (80% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Ariston has 316 models in this group; this one is number 233 among them.

Where it stands

Rank 14,151 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 14,150 use less.

Median 402 This model · 984 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Elco PENTA 121 RIGEON PRO_IDU 9+18+24 983 kWh −€0.28
  2. A++ Elco PENTA 121 RIGEON PRO_IDU 12+18+24 983 kWh −€0.28
  3. A++ Ariston PENTA 121 NEVIS NET_UA1-I 9+9+12+12+18 984 kWh
  4. A++ Elco PENTA 121 RIGEON PRO_IDU 9+12+12+12+18 984 kWh same
  5. A++ Elco PENTA 121 RIGEON PRO_IDU 9+9+12+12+18 984 kWh same
See the full ranking

What it will cost you

Period PENTA 121 NEVIS NET_UA1-I 9+9+12+12+18 IQOOL-4MS12K12K12K12K Difference
1 year €279 €83 −€195
5 years €1,393 €416 −€977
10 years €2,787 €833 −€1,954
15 years €4,180 €1,249 −€2,931

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 984 kWh / yr
Heating, average climate 3,312 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.2 2,702
Average (e.g. Strasbourg) 4.0 3,312
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++ Ariston PENTA 121 NEVIS NET_UA1-I 9+9+12+12+18 (this model)
12.5 kW7.6 984 — —
12.2 kW6.1 294 €195 €1,954
12.1 kW7.5 565 €119 €1,187
12.1 kW7.5 565 €119 €1,187
11.9 kW7.1 590 €112 €1,116
12.1 kW7.1 596 €110 €1,099

Label and product sheet

Energy class cooling / heating
A++ / A+
SEER
7.6
SCOP warmer / average / colder
5.2 / 4.0 / –
Cooling design load
12.5 kW
Heating design load (average)
9.5 kW
Yearly cooling
984 kWh
Yearly heating (average climate)
3,312 kWh
Sound power indoor / outdoor
58 / 69 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Ariston under one model number.

PENTA 121 NEVIS NET_UA1-I 9+9+12+12+18

  1. First published in the EU register (EPREL)
  2. Placed on the EU market
  3. Supplier changed publishedOnDate from 2026,10,13 to 2026,11,2

Questions

How much does the Ariston PENTA 121 NEVIS NET_UA1-I 9+9+12+12+18 cost to run?

At one cooling season as on the label it uses about 984 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €279 a year, or €2,787 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.6 and SCOP 4.0 in the average climate: higher is better.