The Need for Duct Cleaning? Cleaning air conditioning and ventilation systems is essential to remove the build up of dust, grease and bacteria that collect over time. Failure to remove this build up will result in dirty and unheal ...

TECHNICAL BULLETIN: Sick Building Syndrome Date: 5th April 2018 Sick Building Syndrome (SBS) is the term used to sum up various symptoms that are experienced by workers caused by the building / environment in which ...