Ariston PENTA 121 PRIOS NET_UA1-I 9+9+9+12+18
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 €354 a year, €3,540 over ten years.
- Cooling, SEER
- 6.0
- Typical 6.9
- Heating, SCOP
- 3.5
- Typical 4.1
- Cooling cost
- €354 / year
- +€1,080 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 €271 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 263 among them. Ariston sells the same label values under other model names: PENTA 121 ALYS NET_UA1-I 9+9+9+12+18.
Where it stands
Rank 14,221 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 14,220 use less.
Next to it in the ranking
- Ariston PENTA 121 DUC R32_U-I N 12+12+12+12 1,247 kWh −€0.85
- Ariston PENTA 121 ALYS NET_UA1-I 9+9+9+12+18 1,250 kWh same
- Ariston PENTA 121 PRIOS NET_UA1-I 9+9+9+12+18 1,250 kWh
- Elco PENTA 121 RIGEON ECO_IDU 9+9+9+12+18 1,250 kWh same
- Ariston PENTA 121 DUC R32_U-I N 9+9+9+12+18 1,250 kWh same
What it will cost you
| Period | PENTA 121 PRIOS NET_UA1-I 9+9+9+12+18 | IQOOL-4MS12K12K12K12K | Difference |
|---|---|---|---|
| 1 year | €354 | €83 | −€271 |
| 5 years | €1,770 | €416 | −€1,354 |
| 10 years | €3,540 | €833 | −€2,707 |
| 15 years | €5,310 | €1,249 | −€4,061 |
Is the more efficient model worth its price?
Enter both purchase prices to see the total cost of ownership.
Cooling and heating
Heating by climate zone
| Climate | SCOP | kWh / yr |
|---|---|---|
| Warmer (e.g. Athens) | 5.0 | 2,929 |
| Average (e.g. Strasbourg) | 3.5 | 3,814 |
| Colder (e.g. Helsinki) | — | — |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Ariston PENTA 121 PRIOS NET_UA1-I 9+9+9+12+18 (this model) | 1,250 | — |
| 294 | €271 | |
| 565 | €194 | |
| 565 | €194 | |
| 590 | €187 | |
| 596 | €185 |
Label and product sheet
- Energy class cooling / heating
- A+ / A
- SEER
- 6.0
- SCOP warmer / average / colder
- 5.0 / 3.5 / –
- Cooling design load
- 12.5 kW
- Heating design load (average)
- 9.5 kW
- Yearly cooling
- 1,250 kWh
- Yearly heating (average climate)
- 3,814 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 PRIOS NET_UA1-I 9+9+9+12+18
- First published in the EU register (EPREL)
- Placed on the EU market
- 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+18 cost to run?
At one cooling season as on the label it uses about 1,250 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €354 a year, or €3,540 over ten years.
What do SEER and SCOP mean?
This model reaches SEER 6.0 and SCOP 3.5 in the average climate: higher is better.