EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Split air conditioners · 12.6 kW · cooling and heating

Ariston PENTA 121 PRIOS NET_UA1-I 9+9+9+12+24

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 €371 a year, €3,710 over ten years.

Cooling, SEER
5.8
Typical 6.9
Heating, SCOP
3.5
Typical 4.1
Cooling cost
€371 / year
+€1,085 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 €288 a year. 83% of comparable models reach a better class than A+; the most common is A++. Heating efficiency (SCOP 3.5) is below the typical 4.1 of its group. Ariston has 316 models in this group; this one is number 308 among them. Ariston sells the same label values under other model names: PENTA 121 ALYS NET_UA1-I 9+9+9+12+24.

Where it stands

Rank 14,282 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 14,281 use less.

Median 402 This model · 1,310 0 1,700 kWh ← uses less · uses more →

Next to it in the ranking

  1. A+ Ariston PENTA 121 DUC R32_U-I N 9+9+12+12+24 1,307 kWh −€0.85
  2. A+ Ariston PENTA 121 ALYS NET_UA1-I 9+9+9+12+24 1,310 kWh same
  3. A+ Ariston PENTA 121 PRIOS NET_UA1-I 9+9+9+12+24 1,310 kWh
  4. A+ Elco PENTA 121 RIGEON ECO_IDU 9+9+9+12+24 1,310 kWh same
  5. A+ Ariston PENTA 121 DUC R32_U-I N 9+9+9+12+24 1,310 kWh same
See the full ranking

What it will cost you

Period PENTA 121 PRIOS NET_UA1-I 9+9+9+12+24 IQOOL-4MS12K12K12K12K Difference
1 year €371 €83 −€288
5 years €1,855 €416 −€1,439
10 years €3,710 €833 −€2,877
15 years €5,565 €1,249 −€4,316

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 1,310 kWh / yr
Heating, average climate 3,830 kWh / yr

Heating by climate zone

Climate SCOP kWh / yr
Warmer (e.g. Athens) 5.0 2,907
Average (e.g. Strasbourg) 3.5 3,830
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 PRIOS NET_UA1-I 9+9+9+12+24 (this model)
12.6 kW5.8 1,310 — —
12.2 kW6.1 294 €288 €2,877
12.1 kW7.5 565 €211 €2,110
12.1 kW7.5 565 €211 €2,110
12.1 kW7.1 596 €202 €2,022
12.1 kW7.1 596 €202 €2,022

Label and product sheet

Energy class cooling / heating
A+ / A
SEER
5.8
SCOP warmer / average / colder
5.0 / 3.5 / –
Cooling design load
12.6 kW
Heating design load (average)
9.6 kW
Yearly cooling
1,310 kWh
Yearly heating (average climate)
3,830 kWh
Sound power indoor / outdoor
59 / 69 dB(A)
Refrigerant
R32 (GWP 675)

Model numbers and history

Registered by Ariston under one model number.

PENTA 121 PRIOS NET_UA1-I 9+9+9+12+24

  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 PRIOS NET_UA1-I 9+9+9+12+24 cost to run?

At one cooling season as on the label it uses about 1,310 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €371 a year, or €3,710 over ten years.

What do SEER and SCOP mean?

This model reaches SEER 5.8 and SCOP 3.5 in the average climate: higher is better.