December 30, 2025, 9:24 am | Read time: 2 minutes
If you want to thoroughly clean your apartment, mopping the floor is essential. Most people use a mop, cleaning agents, and often warm water. Why this isn’t always advisable is revealed by myHOMEBOOK.
Whether it’s tile, wood, or linoleum flooring, many people use warm water when mopping. Often, this is combined with cleaning agents. The advantage of warm water is that it makes it easier to dissolve grease. But there’s also a significant disadvantage.
Is Warm Water Sensible for Mopping?
It actually depends on the choice of cleaning agent. If it’s a cleaner that contains alcohol, you should avoid using warm water when mopping. These are known as cold cleaners, and as the name suggests, they can only fully work with cold water.
Warm water causes the alcohol to evaporate, reducing the cleaner’s effectiveness. A corresponding note is always found on the product’s bottle.
By the way: The same applies to disinfectants. If you mix them with warm water, they lose their effectiveness.
There are also other advantages to using cold water for mopping. On one hand, it saves energy since the water doesn’t need to be heated. On the other hand, some floors are very sensitive and could be damaged by water that’s too warm.
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What to Consider with Sanitary Cleaners?
Sanitary cleaners, in particular, should never be mixed with warm water. Regardless of the altered effectiveness, toxic fumes can be produced. Therefore, it’s recommended to use cold water when cleaning the bathroom with sanitary cleaners. Again, it’s worth checking the packaging and instructions!
What Water Temperature Should Be Used for Dishwashing?
Dishwashing is different; you should always use warm water here. The reason: Dish soap dissolves grease and oil much better in hot water. This means less scrubbing is needed—the dirt almost comes off by itself.
By the way: For window cleaning, cold water is suitable. It dries faster and doesn’t leave unsightly streaks on the glass.