Dirty and poorly maintained air ducts carry unseen dangers that may not even be detected until it is too late. A deteriorating air conditioning system, for example, can contribute to a corrosive drop in employee morale and productivity, as well as incurring wholly avoidable expense and disruption to your organisation’s working activities. Worst of all, building owners and managers lay themselves open to prosecution if the ducts fail to comply with the regulations of the Health and Safety Executive.