Bosch B1ZAI1240W/B1ZAO1240W
Uses less electricity than 56% of the 3,067 split air conditioners, 3 kW on the EU register. At your selected price (European Union) that is €50 a year, €496 over ten years.
- Cooling, SEER
- 7.0
- Typical 6.5
- Heating, SCOP
- 4.1
- Typical 4.1
- Cooling cost
- €50 / year
- +€261 if you also heat with it (average climate)
Near the middle of its group: 5 % below the typical 184 kWh. Class A++ is the most common class in this group (67% of models). Heating efficiency (SCOP 4.1) is above the typical 4.1 of its group. Bosch has 77 models in this group; this one is number 41 among them. Bosch sells the same label values under other model names: B1ZAI1250W/B1ZAO1250W. On the register since 2019 and still on sale.
Where it stands
Rank 1,241 of 3,067 split air conditioners, 3 kW by yearly consumption. 1,240 use less.
Next to it in the ranking
- Azuri AZI-WO35VF/O / AZI-WO35VF/I 175 kWh same
- Sinclair ASH-13BIF2 175 kWh same
- Bosch B1ZAI1240W/B1ZAO1240W 175 kWh
- Bosch B1ZAI1250W/B1ZAO1250W 175 kWh same
- Kendo KM128AB4KIT 175 kWh same
What it will cost you
| Period | B1ZAI1240W/B1ZAO1240W | NF-ST30CR | Difference |
|---|---|---|---|
| 1 year | €50 | €1 | −€49 |
| 5 years | €248 | €4 | −€244 |
| 10 years | €496 | €8 | −€487 |
| 15 years | €743 | €13 | −€731 |
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 |
|---|---|---|
| Bosch B1ZAI1240W/B1ZAO1240W (this model) | 175 | — |
| 3 | €49 | |
| 102 | €21 | |
| 103 | €20 | |
| 103 | €20 | |
| 112 | €18 |
Label and product sheet
- Energy class cooling / heating
- A++ / A+
- SEER
- 7.0
- SCOP warmer / average / colder
- – / 4.1 / –
- Cooling design load
- 3.5 kW
- Heating design load (average)
- 2.7 kW
- Yearly cooling
- 175 kWh
- Yearly heating (average climate)
- 922 kWh
- Sound power indoor / outdoor
- 56 / 60 dB(A)
- Refrigerant
- R32 (GWP 675)
Model numbers and history
Registered by Bosch under one model number.
B1ZAI1240W/B1ZAO1240W
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the Bosch B1ZAI1240W/B1ZAO1240W cost to run?
At one cooling season as on the label it uses about 175 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €50 a year, or €496 over ten years.
What do SEER and SCOP mean?
This model reaches SEER 7.0 and SCOP 4.1 in the average climate: higher is better.