The power of hot-water cleaning: Reduced bacteria and virus counts | Nilfisk

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Improve your cleaning results with hot high-pressure washer cleaning

Across industries and around the globe, cleaning teams are being asked to clean more surfaces, faster and more efficiently. Whether it’s sanitising shopping carts between users, cleaning floors, or pressure washing agricultural equipment, hot water is one of the most powerful tools in your toolbox.

Tips & Tricks guide

8 steps to effective hot water pressure washer (HPW) cleaning

Understand the critical steps to achieving the most effective clean possible. Fill in the form below and get the details on how to professionally reduce and eliminate germs throughout your cleaning process.

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Three of the top benefits of hot water cleaning include:

Efficiency

Better, faster cleaning results

Hygiene

Reduced bacteria and virus counts

Sustainability

Lower resource consumption

Efficiency — Better, faster cleaning results

Just like for your dishes at home, hot water cleaning provides better, faster results in commercial and industrial applications.

In partnership with the wfk – Cleaning Technology Institute, we conducted tests comparing hot and cold water pressure washing and found that across all applications, hot water reduced cleaning times by an average of 40%. In some cases, such as where greases, fats, and oils were present, hot water cleaning was four times more efficient than cold water cleaning. That translates into a cleaning time reduction of 75%.

Take a moment to think about how much more cleaning your team could get done with 40% (or 75%) more time. You might have time to clean high-use areas or equipment more often or to perform essential deep cleaning tasks.

Using hot water also reduces the drying time after cleaning, which means the areas and items you’ve cleaned are available sooner. For example, if you’re sanitising shopping carts, hot water will help you get them back into use faster. If you’re cleaning floors, they can be reopened earlier without the risk of slips, trips, and falls.

Hygiene — Reduced bacteria and virus counts

Clean, then sanitise (or disinfect, depending on the level of clean required). This is the most effective approach to germ removal when cleaning hard surfaces.

Heat is a key factor in battling germs. A study by the Thuringen State Office for Agriculture found that, while cleaning with cold water had no impact on bacteria count, raising the temperature to 60˚C reduced the number of bacterial colonies by 90%. At 80˚C bacterial colonies were reduced by 97%, and at 155˚C they were eliminated entirely.

Heat can also help combat viruses. For example, the virus that causes COVID-19 is sensitive to heat and can be inactivated by exposure to 56°C for 30 minutes. Hot water alone is not sufficient for sanitization or disinfection, but it can reduce the bacteria and virus counts on surfaces in preparation for the next step.

To gain more knowledge on hot water cleaning, download our PDF highlighting: Eight steps to reduce or eliminate germs with hot high-pressure washers.

High-pressure washer cleaning

We strive to support cleaning teams that work tirelessly to keep the world clean and safe.

To learn more about our high-pressure washer cleaning solutions please click below to learn more.

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