23 November 2023

Sanitizing is essential to make healthier air in environments, especially in autumn and winter

The pandemic period from Covid-19 has changed our perception of many aspects of life. Many products have been placed on the market that affect our health but that do not always guarantee quality and effectiveness.

About 90% of our time is spent indoors, at home, at school, at work, in public buildings and in leisure time in general. The health of the air affects every age group but especially the most vulnerable: children, the elderly and people with diseases such as asthma and heart disease.
To improve the air we breathe inside the environments we live every day, we must first ventilate with clean outdoor air. But, as we know, it is not enough. The Covid-19 pandemic has highlighted the need to prevent viruses and bacteria from replicating.
Air sanitizers: what to pay attention to when buying.
When the weather or external conditions (e.g. smog) or structural of the buildings do not allow to open the windows, especially in the autumn-winter period, and when the environments are experienced by many people (for example, hospitals, clinics, schools, public offices, shops and workplaces) having an air sanitizer in continuous operation can solve several problems, so as to reduce the pathogenic loads present in the air and reduce as much as possible the risk of infection.
When you decide to buy an air sanitizer you need to pay attention to several aspects:
-   The market, also because of the pandemic period, has seen the proliferation of several products, especially from Asia, not certified by third parties but by the companies themselves. A fundamental certification to which to pay attention in fact is that coming from research institutes or authoritative laboratories with which the producing companies do testing actions and submit for quality ratings and with evidence of safety regulations;
-   each product must have a data sheet also for spare parts. Better if the product is sold by a company easily traceable on the net, with downloadable boards and instruction manuals, with a customer-service office.
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Sanitization through ultraviolet treatment.
During the pandemic, Beghelli, thanks to his experience on UV-C ultraviolet rays, designed and produced SanificaAria, an air sanitization system using a C-band ultraviolet lamp (UV-C). The air in the room is sucked in and put into a chamber where the UV-C source is active, where the sanitizing process is carried out, after which the air is expelled and put back into the environment. The chamber is constructed so that only air can pass through it without any residual UV-C radiation escaping from the chamber. These are not filters, which merely retain pathogens and once saturated, and therefore ineffective, must then be disposed of with all the precautions of the case, but a system that irrevocably disables the pathogenic load of bacteria and viruses. This process can happen, in total safety, even when people are inside the environment.
​​​In 2021, the Istituto Superiore della Sanità in the "Interim Recommendations Report on the sanitization of non-sanitary structures in the current emergency Covid 19: environments/surfaces" "UV-C radiation has the ability to modify the DNA or RNA of microorganisms preventing them from reproducing and therefore being harmful; for this reason it is used in various applications, such as disinfection of food, water and air. In vitro studies have shown that UV-C radiation is able to inactivate 99.9% of influenza virus in aerosols".