What Is Electrostatic Disinfection and How Does It Work?

As a business owner, you’ve got people coming and going in your commercial space all day long. They touch doorknobs, counters, chairs, and everything in between. Keeping your space clean is important to the health of your employees, customers, and members of the public. However, a spray bottle and a cleaning rag can only do so much.  

Germs can settle into corners, crevices, and spots you’d never think to check. That’s why so many business owners opt for electrostatic cleaning. This disinfection service is much more effective and thorough than cleaning by hand, though it does have its limits.  

Key Takeaways

• Electrostatic cleaning uses charged particles so the disinfectant wraps around surfaces instead of just landing where it’s sprayed. 
• It reaches spots a regular spray bottle and cloth often miss: corners, crevices, and uneven surfaces. 
• Businesses with heavy foot traffic such as restaurants, gyms, daycares, and schools, can benefit from this cleaning method. 
• Not every surface or situation calls for electrostatic disinfection, so knowing its limits is as important as knowing its strengths. 
• A professional service will use the right product, equipment, and technique to electrostatically clean your business.  

What Is Electrostatic Cleaning?

Other business owners in your area are raving about it, but what is electrostatic cleaning, exactly? This unique method uses a specialized sprayer that gives disinfectant a positive charge. That charge attracts droplets to surfaces like a magnet, allowing the disinfectant to reach curves, edges, and undersides. 

When you use a normal spray bottle to spritz disinfectant on a surface, the liquid falls straight down, landing on flat surfaces but missing a lot of other areas. Electrostatic cleaning allows a disinfectant to blanket chair legs, door handles, keyboard nooks, and curved areas.  

Keep in mind that the sprayer itself doesn’t kill germs. The disinfectant does the actual work. The sprayer just helps the charged disinfectant reach more places and stick around longer.  

Electrostatic cleaning works best after you’ve already wiped visible dirt and grime from surfaces, since built-up debris can block the disinfectant from reaching the surface underneath.    

How Does Electrostatic Disinfection Work? 

Electrostatic cleaning might sound like something out of science class, but it’s a pretty straightforward process. It works in three main steps to make sure the disinfectant fully and evenly covers the correct surfaces.  

1. The Sprayer Charges the Disinfectant

As the liquid disinfectant leaves the nozzle of the specialized sprayer, it picks up a positive charge. This turns each droplet into something like a tiny magnet ready to seek out and stick to nearby surfaces.  

2. Charged Droplets Coat Targeted Surfaces

Since most surfaces carry a neutral or negative charge, the droplets are drawn toward them instead of just falling to the floor. This pull lets the disinfectant wrap around objects, covering the front, back, and sides all at once. That includes spots people often skip when cleaning by hand, like the underside of a table or the back of a doorknob.  

3. The Disinfectant Remains Wet for the Required Contact Time

Killing germs takes more than a quick pass with a damp cloth. The disinfectant needs to stay wet on the surface for a set amount of time, usually between 30 seconds and 10 minutes, so it can fully wipe out germs before drying. Always check the product label of your disinfectant for the correct timing.  

Electrostatic Cleaning vs. Traditional Cleaning and Disinfection

Though electrostatic cleaning is a highly effective way to disinfect a space, that doesn’t mean you should toss all your spray bottles and wash clothes. Each cleaning method plays a different role in keeping a space bacteria-free. 

Electrostatic disinfection is a strong addition to your existing cleaning routine. Start with manual cleaning to remove dirt, grime, and debris from a space (like muddy shoe prints or coffee spills). Next, spray-and-wipe cleaning is a good choice when you want to target specific spots, like doorknobs or countertops. 

Now, come in with electrostatic spraying to reach more surfaces, including the parts of your space a cloth tends to miss.  

Benefits of Electrostatic Disinfection

There’s a reason so many businesses add electrostatic cleaning to their routine. Consider these: 

• More even coverage: Because the disinfectant carries a charge, it spreads across a surface instead of just landing where it’s aimed. That means you get more consistent coverage with less guesswork. 
• Better reach around irregular surfaces: Chair legs, vents, textured walls, and other tricky shapes get coated on all sides, not just the parts facing the sprayer. 
• Touchless application: The sprayer doesn’t need to make contact with a surface to treat it, which helps cut down on cross-contamination from cloths or sponges moving between areas. 
• Faster treatment of large spaces: A wide spray pattern lets one person cover more ground in less time compared to wiping surface by surface. 
• Reduced product waste: Since the charged droplets are drawn to surfaces rather than drifting past them, less disinfectant ends up on the floor or in the air. 
• Consistent results: Because the process is largely automatic, results don’t vary much from person to person the way manual wiping can.  

Where Is Electrostatic Cleaning Used?

Some spaces see more activity than others. If your business experiences high foot traffic, caters to vulnerable populations, or sees customers or employees touching a lot of surfaces, you may be a good candidate for electrostatic disinfection.  

• Common businesses that use electrostatic cleaning: 
• Restaurants and food service kitchens 
• Gyms and fitness studios 
• Daycares and schools 
• Medical and dental offices 
• Offices and coworking spaces 
• Hotels and other hospitality settings 
• Retail stores 

Every space is different, so a good service provider looks at more than just square footage before creating a cleaning plan. They’ll also consider a space’s occupancy, high-touch surfaces, equipment, material compatibility, and the level of infection control needed.  

Safety, Surface Compatibility, and Limitations

Electrostatic disinfection only works as well as the disinfectant product behind it. Make sure you or your service provider follows the instructions on the product label. A few things to keep in mind: 

• Pre-clean first: Dirt and grime block the disinfectant from doing its job. 
• Check surface compatibility: Not every material reacts well to every product. For example, bleach can corrode metal surfaces and discolor fabrics.  
• Use proper PPE and ventilation: Both protect the person applying the treatment. 
• Respect contact time and reentry guidelines: Surfaces need time for the disinfectant to work and dry before people return to the space.  
• Protect sensitive electronics: Some equipment should be covered or unplugged first.  

Also, keep in mind that one electrostatic disinfection treatment doesn’t offer lasting protection. To keep your space clean, you’ll need to repeat the cleaning on a regular basis.  

What to Expect From a Professional Electrostatic Disinfection Service

If you feel your business could benefit from electrostatic cleaning, what can you expect if you hire a service? To start, a technician will walk the space, noting high-touch areas, equipment, and anything that needs special attention. This will inform their cleaning approach. 

Surfaces need to be free of dirt and grime before they can be disinfected. Depending on the service you use, the crew may handle this pre-cleaning step themselves, or they may ask you to clean the space ahead of time. Either way, it’s worth confirming what your service entails. 

From there, the technician will apply an EPA-registered disinfectant to your space using the specialized sprayer to charge the disinfectant droplets. They’ll let it sit for the required contact time while following proper safety precautions. 

Once the job’s done, your technician should give you documentation that tells you exactly what was disinfected and when it’ll be safe for you, employees, and customers to use the space again.   

Schedule Specialized Cleaning With SERVPRO

Every space has its own layout, traffic, and cleaning needs. If you think electrostatic cleaning would be a good fit for your business, SERVPRO can evaluate your facility and recommend the right mix of cleaning services. 

Ready to give your space a higher standard of clean? Find your local SERVPRO today.  

FAQs

How Long Does Electrostatic Cleaning Last?

Disinfection solutions can kill bacteria on a surface, but they can’t offer lasting protection. Electrostatic cleaning will last until a surface is touched or re-contaminated. If you have customers, employees, or members of the public using your space, bacteria will begin populating the surfaces again.  

What Is Electrostatic Spray?

Electrostatic spray is a disinfectant that is given a positive charge as it leaves a specialized type of sprayer. This charge makes the droplets attract to surfaces, wrapping around edges and curves for even coverage. Most commercial disinfectants can be used with an electrostatic sprayer.