An incorrectly selected high-pressure cleaner can operate inefficiently, lead to high operating costs, or even damage the surfaces being cleaned. Especially in commercial applications, this not only means higher costs but also unnecessary labor. Conversely, a suitable unit with the right equipment and performance can significantly speed up cleaning, deliver better results, and save costs in the long term.
The cleaning task is crucial for selecting the right technology. For example, cleaning vehicles requires different characteristics than removing concrete residues from machines. For stubborn dirt such as cement or paint residues, powerful devices with special nozzles are required. A detailed analysis of the contamination therefore largely determines the type of equipment.
Sensitive materials such as wood, natural stone, or painted surfaces require an especially gentle jet to avoid damage. For smooth and robust surfaces such as concrete or metal, more power can be applied. The degree of contamination also plays a role — for light soiling, a medium-pressure unit is often sufficient, whereas heavy contamination may require additional heat or chemical cleaners.
In hygienically sensitive areas such as food processing or medical facilities, it is not enough for a surface to appear “visually” clean. It is essential to minimize germs and bacteria. This not only requires higher temperatures but also the targeted use of suitable cleaning agents in combination with high-performance pressure systems.
The correct pressure depends not only on the contamination but also on the material. Too strong a jet can cause deep grooves in materials such as wood or lacquer. Therefore, it is advisable to choose a unit with adjustable pressure to flexibly adapt to each application.
A high water flow rate means that loosened dirt is flushed away more quickly — saving time and increasing cleaning performance per hour. For large areas such as warehouses or exterior facades, units with at least 10–15 liters per minute are recommended.
Hot water units can offer clear advantages in certain industries such as agriculture, gastronomy, or manufacturing. The combination of temperature and pressure allows for much deeper cleaning — ideal for greasy or oily residues, where cold water quickly reaches its limits.
A powerful motor ensures that pressure remains stable over long periods — a must for continuous operation. In addition, motor performance affects energy consumption, which in turn influences long-term operating costs. Look for a balanced ratio between performance and energy efficiency.
The nozzle acts as the tool of the high-pressure cleaner: it determines the jet width, how concentrated the pressure is, and how effectively dirt is removed. The wrong nozzle can not only clean inefficiently but also cause material damage. Ideally, a high-pressure cleaner should have various attachments or an adjustable nozzle.
Mobile units are ideal for changing locations such as construction sites or outdoor areas. They are easy to transport and require no fixed installation. Stationary units, on the other hand, are more robust, require less maintenance, and are suitable for permanent workplaces — for example, in production halls or washing facilities.
With the right accessories, you can significantly increase your device’s performance. Foam lances, for example, improve cleaning results for greasy residues, while surface cleaners clean large areas efficiently and with minimal splashing. Compatibility with professional cleaning agents is also crucial for certain applications.
Modern devices increasingly focus on sustainability — for example, through quieter motors, reduced water consumption, or electric drives. These criteria are particularly important in noise-sensitive areas or indoor environments. The ability to use biodegradable cleaning agents should also be factored into the decision.
A cheap high-pressure cleaner can become more expensive in the long run if it operates inefficiently or fails frequently. Therefore, pay attention not only to the purchase price but also to ongoing costs such as electricity, water, cleaning agents, and repairs.
High-quality devices often have more robust pumps, durable seals, and better components. These features reduce maintenance frequency and extend service life — particularly important for continuous commercial use. Good customer service and fast spare part availability are also key factors.
The answers to these questions form the basis for a well-founded purchasing decision. Those who clearly define their requirements, understand the technical parameters, and consider economic aspects will most likely find the right model. Professional advice — for example, from R+M / Suttner — can provide additional confidence in the selection process.
| Criterion | Recommendation for Light Use | Recommendation for Heavy Use |
| Pressure (bar) | 100–130 bar | 160–250 bar |
| Water Flow (l/min) | 6–8 liters | 12–20 liters |
| Temperature | Cold water | Hot water (up to 90 °C) |
| Mobility | Portable unit | Mobile or stationary |
| Accessories | Standard nozzles | Rotary nozzle, foam lance, surface cleaner |
| Cleaning Agents | Optional | Often necessary |
| Usage Frequency | Occasional | Daily or multiple times per day |