We design advanced, chemical-free hospital disinfection technologies that actively eliminate pathogens in real time. By combining UVC, ozone, and intelligent control systems, we help healthcare facilities reduce infections, protect patients and staff, and set a new standard of hospital hygiene.
UVC radiation in hospitals
effective disinfection against viruses and bacteria
UVC Radiation in Hospitals: Why It Is One of the Most Effective Weapons Against Viruses, Bacteria, and Fungi
UVC radiation (ultraviolet light in the ~200–280 nm range) is one of the most scientifically supported physical disinfection methods because it acts directly on the “core of the problem”—the genetic material of microorganisms. It can quickly and reliably inactivate them without chemicals, residues, or the risk of chemical resistance as seen with some disinfectants.
In hospitals, where dangerous pathogens naturally concentrate, constantly move between rooms, clinics, and shared spaces, and where minutes matter, UVC technology is crucial because it enables disinfection as a controlled, repeatable, and measurable process—not as a one-time action “when there is time.”
How UVC Works and Why It Is So Effective
The main reason for UVC’s high effectiveness is simple: UVC photons carry enough energy to be strongly absorbed by nucleic acids (DNA/RNA), causing photochemical damage that either destroys microorganisms directly or prevents further replication.
A typical mechanism is the formation of pyrimidine dimers in DNA (often called “thymine dimers”), which prevent correct copying of genetic information and stop cells and viruses from spreading.
This mechanism is well described in scientific literature on UV-C/UVGI (germicidal UV) and has been repeatedly confirmed across many groups of microorganisms—from viruses and vegetative bacteria to fungi.
Equally important is that UVC effectiveness can be precisely planned and controlled through dose, which is the product of irradiance (intensity) and exposure time. In practice, this means that a powerful system capable of delivering higher intensity to target areas can achieve the required microbial reduction faster, more reliably, and with fewer operational compromises-critical in time-sensitive hospital zones such as isolation rooms, operating theaters, emergency departments, ICUs, and high-turnover clinics.
UVC Against Viruses, Bacteria, and Fungi – What Science Says
Viruses are highly sensitive to UVC because even small damage to RNA/DNA (or to envelope proteins) can render them non-infectious. This is why UVC has long been used to inactivate a wide range of airborne and surface viruses.
A notable and widely cited direction is far-UVC (207–222 nm), where studies show high effectiveness against aerosolized viruses, including human coronaviruses, at low doses—while potentially offering a more favorable tissue penetration profile compared to conventional 254 nm systems (under proper technical conditions such as filtered emissions).
Bacteria
Bacteria, including multi-drug-resistant strains, are generally well inactivated by UVC because DNA damage directly blocks cell division. In hospitals, UVGI/UVC is often evaluated as an effective adjunct to standard hygiene protocols, especially for airborne transmission and high-risk spaces.
Fungi and spores
Fungi and spores are often more resistant than many vegetative bacteria, but with a properly delivered dose, UVC can significantly reduce fungal contamination—important in humid areas, where mold colonization is a risk, or in environments with immunocompromised patients. In practice, this means that good system design and sufficient power are critical for UVC to be a real, repeatable tool—not just “marketing.”
Why UVC Is So Important in Hospitals
Pathogens spread not only by touch but also through the air. Airborne transmission is often underestimated in environments where hundreds of people meet daily, procedures are performed, laundry is changed, patients are transported, and even a short hygiene failure can trigger a chain effect.
UVC – especially in the form of UVGI for air – should therefore be understood as a technology that creates an “invisible barrier” in a space, typically in upper-room zones or within air circulation systems. It continuously reduces infectious load in the air, which is highly relevant for waiting rooms, clinics, corridors, and patient rooms.
CDC/NIOSH provides specific design and operational recommendations for UVGI in healthcare spaces, emphasizing proper design, safe operation, and maintenance. UVC is not a replacement for everything – but it is an extremely powerful complement to ventilation, filtration, and standard hygiene procedures, because it addresses what manual cleaning can never fully control: air, aerosols, and rapidly changing microbial loads during real operation.
What Determines Real Effectiveness: Power, Dose, and Proper Deployment
For UVC to be truly effective in practice, three conditions must be met:
- The device must deliver sufficient dose to the space or target surfaces.
- The system must be designed to minimize shadows and “dead zones” (correct placement, reflections, airflow, cycling modes).
- Safe operation must be ensured according to the type of UVC technology used (e.g., enclosed germicidal air modules vs. open UVC for surfaces).
This is why the NHS in the UK has published technical guidance and standards for using UVC disinfection devices for air cleaning in occupied healthcare spaces, focusing on real-world design and safety.
For Hospitals: Why Investing in UVC Makes Sense
When a hospital invests in a properly designed, high-performance UVC system, it gains a measurable tool that can reduce microbial load in the air and on critical surfaces, support prevention of hospital-acquired infections, increase safety for patients and staff, and reduce pressure on manual capacities.
The benefits are greatest where the risk is highest and where infection-related complications are most costly. UVC is a physical principle with strong scientific support and decades of use (UVGI), now enhanced by modern studies, new light sources, and better implementation standards in healthcare buildings.