Costs for 0.283 €/kWh
· Eurostat 2026 H1
Comparison · Air conditioners
Buderus 7733704981 vs Elco PENTA 121 RIGEON PRO_IDU 9+18
Buderus 7733704981 uses 78 kWh less a year: €22 a year at your price, €221 over ten years.
| Buderus 7733704981 | Elco PENTA 121 RIGEON PRO_IDU 9+18 | |
|---|---|---|
| Yearly consumption | 304 kWh | 382 kWh |
| Cost per year | €86 | €108 |
| Cost over 10 years | €861 | €1,082 |
| Rank in its group | 912 / 14,301 | 6,324 / 14,301 |
| Group | Split air conditioners, 6 kW and over | Split air conditioners, 6 kW and over |
| Energy class cooling / heating | A+++ / A++ | A++ / A |
| SEER | 8.8 | 7.3 |
| SCOP warmer / average / colder | – / 4.7 / – | 4.7 / 3.9 / – |
| Cooling design load | 7.6 kW | 8.0 kW |
| Heating design load (average) | 6.0 kW | 6.1 kW |
| Yearly cooling | 304 kWh | 382 kWh |
| Yearly heating (average climate) | 1,785 kWh | 2,197 kWh |
| Sound power indoor / outdoor | 60 / 66 dB(A) | 58 / 69 dB(A) |
| Refrigerant | R32 (GWP 675) | R32 (GWP 675) |
If Elco PENTA 121 RIGEON PRO_IDU 9+18 is cheaper to buy, the price gap is paid back by lower running costs only when it is smaller than the cost difference over the years you keep it. Work it out with your prices →