Ariston (5x) DUC 025 U-I PENTA 121 XD0C-O
Uses less electricity than 4% of the 14,301 split air conditioners, 6 kW and over on the EU register. At your selected price (European Union) that is €210 a year, €2,101 over ten years.
- Cooling, SEER
- 5.8
- Typical 6.9
- Heating, SCOP
- 3.5
- Typical 4.1
- Cooling cost
- €210 / year
- +€1,076 if you also heat with it (average climate)
Uses more than most comparable models: 96 % of them need less. electriQ IQOOL-4MS12K12K12K12K, the most efficient alternative on sale, saves about €127 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 228 among them. Ariston sells the same label values under other model names: (5x) DUC R32 025 U-I x PENTA 121 XD0C-O. On the register since 2019 and still on sale.
Where it stands
Rank 13,684 of 14,301 split air conditioners, 6 kW and over by yearly consumption. 13,683 use less.
Next to it in the ranking
- Haier AB125S2SR1FA(H)/1U125S2SN3FA 736 kWh −€1.70
- Haier AC125S2SK1FA(H)/1U125S2SN2FA 738 kWh −€1.13
- Ariston (5x) DUC 025 U-I PENTA 121 XD0C-O 742 kWh
- Ariston (5x) DUC R32 025 U-I x PENTA 121 XD0C-O 742 kWh same
- Midea M5O-42FN8-Q/MTIU-09HWFNX-QRD0W 742 kWh same
What it will cost you
| Period | (5x) DUC 025 U-I PENTA 121 XD0C-O | IQOOL-4MS12K12K12K12K | Difference |
|---|---|---|---|
| 1 year | €210 | €83 | −€127 |
| 5 years | €1,051 | €416 | −€634 |
| 10 years | €2,101 | €833 | −€1,269 |
| 15 years | €3,152 | €1,249 | −€1,903 |
Is the more efficient model worth its price?
Enter both purchase prices to see the total cost of ownership.
Cooling and heating
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| Ariston (5x) DUC 025 U-I PENTA 121 XD0C-O (this model) | 742 | — |
| 294 | €127 | |
| 565 | €50 | |
| 565 | €50 | |
| 574 | €48 | |
| 590 | €43 |
Label and product sheet
- Energy class cooling / heating
- A+ / A
- SEER
- 5.8
- SCOP warmer / average / colder
- – / 3.5 / –
- Cooling design load
- 12.3 kW
- Heating design load (average)
- 9.5 kW
- Yearly cooling
- 742 kWh
- Yearly heating (average climate)
- 3,800 kWh
- Sound power indoor / outdoor
- 57 / 69 dB(A)
- Refrigerant
- R32 (GWP 675)
Model numbers and history
Registered by Ariston under one model number.
(5x) DUC 025 U-I PENTA 121 XD0C-O
- Placed on the EU market
- First published in the EU register (EPREL)
- Supplier changed publishedOnDate from 2026,10,13 to 2026,11,2
Questions
How much does the Ariston (5x) DUC 025 U-I PENTA 121 XD0C-O cost to run?
At one cooling season as on the label it uses about 742 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €210 a year, or €2,101 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.