Bosch B1ZAI1850W/B1ZAO1850W
Uses less electricity than 20% of the 5,158 split air conditioners, 4–5 kW on the EU register. At your selected price (European Union) that is €82 a year, €821 over ten years.
- Cooling, SEER
- 6.4
- Typical 6.8
- Heating, SCOP
- 4.0
- Typical 4.1
- Cooling cost
- €82 / year
- +€387 if you also heat with it (average climate)
Uses more than most comparable models: 80 % of them need less. Rotenso LEP35Xi R16 / LOP35Xo R16, the most efficient alternative on sale, saves about €45 a year. Class A++ is the most common class in this group (69% of models). Heating efficiency (SCOP 4.0) is below the typical 4.1 of its group. Bosch has 153 models in this group; this one is number 111 among them. Bosch sells the same label values under other model names: B1ZAI1840W/B1ZAO1840W. On the register since 2019 and still on sale.
Where it stands
Rank 4,028 of 5,158 split air conditioners, 4–5 kW by yearly consumption. 4,027 use less.
Next to it in the ranking
- REMKO ML 525 DC 290 kWh same
- Bosch B1ZAI1840W/B1ZAO1840W 290 kWh same
- Bosch B1ZAI1850W/B1ZAO1850W 290 kWh
- Arielli ASW-H18A4/FFR1DI-EU 290 kWh same
- Beko BEVCA 180/BEVCA 181 8868543200/8868533200 290 kWh same
What it will cost you
| Period | B1ZAI1850W/B1ZAO1850W | LEP35Xi R16 / LOP35Xo R16 | Difference |
|---|---|---|---|
| 1 year | €82 | €37 | −€45 |
| 5 years | €411 | €185 | −€225 |
| 10 years | €821 | €371 | −€450 |
| 15 years | €1,232 | €556 | −€675 |
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 B1ZAI1850W/B1ZAO1850W (this model) | 290 | — |
| 131 | €45 | |
| 132 | €45 | |
| 132 | €45 | |
| 151 | €39 | |
| 151 | €39 |
Label and product sheet
- Energy class cooling / heating
- A++ / A+
- SEER
- 6.4
- SCOP warmer / average / colder
- – / 4.0 / –
- Cooling design load
- 5.3 kW
- Heating design load (average)
- 3.9 kW
- Yearly cooling
- 290 kWh
- Yearly heating (average climate)
- 1,365 kWh
- Sound power indoor / outdoor
- 58 / 64 dB(A)
- Refrigerant
- R32 (GWP 675)
Model numbers and history
Registered by Bosch under one model number.
B1ZAI1850W/B1ZAO1850W
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the Bosch B1ZAI1850W/B1ZAO1850W cost to run?
At one cooling season as on the label it uses about 290 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €82 a year, or €821 over ten years.
What do SEER and SCOP mean?
This model reaches SEER 6.4 and SCOP 4.0 in the average climate: higher is better.