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What is UVGI?

UVGI stands for ultraviolet germicidal irradiation and is the application of ultraviolet C (UVC) band light. UVC is short‐wave electromagnetic radiation beyond the visible spectrum, at a wavelength of 254 nanometres.

When bacteria, mould, viruses and other organic contaminants (known collectively as biofilm) are exposed to UVGI, the DNA within their cells is disrupted, preventing cell reproduction and resulting in cell death after sufficient exposure. The disinfecting capability of UVGI has long been known and was used to help control the spread of tuberculosis as early as 1903.

In partnership with BioZone Scientific International (BSI), Gibbons Ultraviolet Solutions harness the power of UVGI by modelling, supplying and installing their CoilCare® surface disinfection systems into air handling units (AHUs).

The application of UVGI in close proximity to the cooling coil and drain pan within the AHU eradicates existing biofilm and prevents new biofilm building up. This significantly enhances indoor air quality, helping to improve the wellbeing of building occupants while reducing running costs and increasing HVAC system efficiency and operational life.

CoilCare® can be fitted to new or existing AHUs in a matter of hours and the ducting system is also cleaner as a direct result of the UVGI disinfecting the airstream. The system is suitable for use in almost any application, including offices, restaurants, hotels, healthcare buildings and educational facilities.

For more information on this innovative HVAC disinfection technique, contact Colin Hardman of Gibbons Ultraviolet Solutions on 07940 544206 or email colin@gibbonsgroup.co.uk

HVAC Services, Ultraviolet Solutions

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