Why does a steam cleaner clean?

Every day is a new one, and sometimes things don't go as smoothly as we would like. So with regard to cleanliness, it's good to have a reliable partner on your side: a Kärcher steam cleaner. It meets your high demands for hygiene and thoroughness. But most importantly you can use natural and environmentally friendly steam to keep your home clean as a whistle – without having to rely on chemicals. The advantages are obvious. Microscopic steam particles penetrate the smallest of pores, dissolving even the most stubborn dirt. Steam cleaning is suitable for any home, whether for singles, small families or large families. After all the idea is to achieve the best cleaning results in as little time and with as little effort as possible.
Get to know about the principle of steam cleaning. Those who know more can act more responsibly. For the sake of our environment and the health of your family.
Deep cleaning without chemicals button


The secret of steam cleaning is based on a simple principle: the powerful combination of pressure, speed and temperature. You benefit from the powerful cleaning effect, which is so strong that it easily eliminates even the most stubborn dirt. Microscopic steam particles also do an amazing job of penetrating the even the most difficult-to-reach cracks and recesses to thoroughly dissolve dirt particles. Without using chemical cleaning agents. This helps protect the environment as well as your wallet.
Mikroscopic steam particels

Steam reliably and effectively removes stubborn dirt from the smallest pores in areas that no scrubber can reach.

Steam cleaning 
Pressure and speed

ISteam is generated in the steam cleaner under 2.3 bar of pressure (approximately the pressure at which a cork flies out of a champagne bottle). This makes the steam exit the nozzle at a speed of approx. 170 km/h. The effect: Dirt is effectively removed by the powerful blast of steam.

The temperature of the steam is about 100 °C when it comes out of the nozzle. It then cools down, but it still heats the dirt on surfaces much more than the surface itself. The temperature difference makes the dirt expand more than the surface, which causes it to dislodge almost as if by itself. You can increase the dissolving power of the steam by additionally using cleaning cloths or special brushes available from Kärcher's versatile line of steam cleaner accessories.


A steam cleaner works a lot like a pressure cooker. Water is heated in an enclosed boiler until it boils. This generates steam. It takes one to six minutes per litre of water, depending on the machine. The pressure in the machine rises to up to 4.2 bar (compared to the approx. 2.5 bar of a car tyre). But don't worry! Every Kärcher steam cleaner meets the highest technical safety standards, which are subject to strict tests and inspections. In fact this applies to all Kärcher accessories.