EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 12.3 kW · cooling and heating

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

A++

Uses less electricity than 0% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €286 a year, €2,863 over ten years.

Cooling, SEER
7.3
Typical 6.9
Heating, SCOP
3.9
Typical 4.1
Cooling cost
€286 / year
+€955 if you also heat with it (average climate)

Uses more than most comparable models: 100 % of them need less. electriQ IQOOL-4MS12K12K12K12K, the most efficient alternative on sale, saves about €203 a year. Class A++ is the most common class in this group (80% of models). Heating efficiency (SCOP 3.9) is below the typical 4.1 of its group. Ariston has 316 models in this group; this one is number 248 among them.

Where it stands

Rank 14,194 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 14,193 use less.

Median 402 This model · 1,011 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A++ Elco PENTA 121 RIGEON PRO_IDU 9+9+9+9+12 1,011 kWh same
  2. A++ Elco PENTA 121 RIGEON PRO_IDU 9+9+9+12+12 1,011 kWh same
  3. A++ Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9+9+12 1,011 kWh
  4. A++ Ariston PENTA 121 NEVIS NET_UA1-I 9+9+9+12+12 1,011 kWh same
  5. A++ Elco PENTA 121 RIGEON PRO_IDU 9+9+9+9+9 1,012 kWh +€0.28
See the full ranking

What it will cost you

Period PENTA 121 NEVIS NET_UA1-I 9+9+9+9+12 IQOOL-4MS12K12K12K12K Difference
1 year €286 €83 −€203
5 years €1,432 €416 −€1,015
10 years €2,863 €833 −€2,031
15 years €4,295 €1,249 −€3,046

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 1,011 kWh / yr
Heating, average climate 3,372 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.1 2,743
Average (e.g. Strasbourg) 3.9 3,372
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+9+9+12 (this model)
12.3 kW7.3 1,011 — —
A++ electriQ IQOOL-4MS12K12K12K12K compare
12.2 kW6.1 294 €203 €2,031
A++ Hisense AUD125UX4REH8 / AUW125U4RW8 compare
12.1 kW7.5 565 €126 €1,263
A++ Hisense AUC125UR4RKC8 / AUW125U4RW8 compare
12.1 kW7.5 565 €126 €1,263
A++ Gree GWHD(42)NK6QO+GWH18AGD-K6DNA1E/I+GWH24AGEXF-K6DNA4A/I compare
11.8 kW7.2 574 €124 €1,238
A++ Hitachi RAS-5HVRC2E - RPIH-5.0FSRE compare
11.9 kW7.1 590 €119 €1,192

Label and product sheet

Energy class cooling / heating
A++ / A
SEER
7.3
SCOP warmer / average / colder
5.1 / 3.9 / –
Cooling design load
12.3 kW
Heating design load (average)
9.4 kW
Yearly cooling
1,011 kWh
Yearly heating (average climate)
3,372 kWh
Sound power indoor / outdoor
56 / 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+9+9+12

  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+9+9+12 cost to run?

At one cooling season as on the label it uses about 1,011 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €286 a year, or €2,863 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 7.3 and SCOP 3.9 in the average climate: higher is better.