Colin Hardman, Gibbons Ultraviolet Solutions sales manager explores the benefits of UVC light in eliminating biofilm, which forms in ductwork.

The issue of indoor air quality and the associated health risks from poorly maintained HVAC systems serving occupied spaces such as commercial offices, schools, hotels and hospitals has received and increasing amount of publicity in recent years.

Contaminants including bacteria, mould and viruses within a ductwork system can be transmitted to building occupants via airflow, which may lead to health problems such as headaches, eye irritation and sore throats. Meanwhile, reduced productivity, rising absenteeism and higher staff turnover rates are some of the consequences for employers.

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