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Robot vacuum cleaners are on the rise. These are small household robots that are supposed to take over vacuuming automatically. In their form, they have nothing in common with the classic vacuum cleaner, have neither a suction tube, nor the nevertheless very expansive dimensions of a conventional vacuum cleaner.
Advantages and disadvantages of robotic vacuum cleaners
The modern vacuum cleaner robots offer some advantages, but also disadvantages. Among other things, they are supposed to simplify housework by working completely independently. The handling is very simple and by means of built-in sensors, the robot vacuum cleaners are supposed to be prevented from crashing or colliding with obstacles. In addition, they independently find their way back to the recharging station and refuel themselves. However, there are also some disadvantages. For example, the technology in some models is not yet fully developed and the small robot vacuum cleaner does not get into all corners. The suction power is often not yet optimal with inexpensive models.
Robot vacuum cleaner vs. vacuum cleaner - calculating cost differences?
Whether it should be a vacuum cleaner robot or a classic vacuum cleaner is a very personal decision that you should make primarily with yourself. However, it is worth taking a closer look at the costs of the two vacuum cleaner models.
Modern robotic vacuum cleaners are available in stores for around 200 euros, and as is often the case, the sky's the limit. A classic vacuum cleaner, on the other hand, is already available for considerably less money, at least in a simple version, although you can also find much higher costs here. Therefore, in addition to the purchase price, the consumption should also be taken into account.
Vacuum cleaner robot example: Let's assume we are comparing a vacuuming robot that takes two to three hours to charge and one hour to vacuum a 60 m² area. With a power of 30 watts, that makes 0.06 kWh for two hours of charging. Since the robot vacuum cleaner can vacuum 60 m² on a full charge, it needs to be charged twice.
This results in the following cost and consumption calculation:
0.06 kWh * 2 charges = 0.12 kWh.
Vacuuming is done once a week. This results in the following consumption:
0.12 kWh * 52 weeks = 6.24 kWh consumption per year.
One kWh costs 0.25 euros. This means that the robot vacuum costs 1.56 euros per year for pure vacuuming, without standby time. For this, there is an additional cost of about 9.68 euros per year, for a total cost of 11.24 euros.
The classic vacuum cleaner has a power of 2,000 watts and a consumption of 2 kWh within a time hour. After half an hour, 60 m² are vacuumed. This results in:
2 kWh/2 (half hour) = 1 kWh * 52 weeks = 52 kWh * 0,25 Euro/kWh = 13,00 Euro.
The total cost, despite the fact that there is no standby mode, is slightly higher for the classic vacuum cleaner.
What types of vacuum cleaner robots are there?
If you take a closer look at the vacuum cleaner robots, you quickly realize that there are different types here. In general, you can distinguish between the suction and the wiping robots. The vacuuming robot can vacuum and is mainly suitable for carpeted floors. The mopping robot, on the other hand, is more suitable for tiles and parquet. Thus, thanks to the constantly advancing development in this area, the right vacuum cleaner robot can be found for every need.
Modern models may even have been designed as mopping robots and still recognize carpets. These are then usually bypassed.