Many areas require fresh air supply and air extraction from night clubs to restaurants, large offices with sealed environment and public areas. Fresh air supply and ventilation forms part of all current building regulations and is so over looked when renovating and converting current building spaces.
Modern offices have a great need for fresh air supply especially where window openings are not permitted. The up keep thereof becomes more important to keep a disease and bacteria free environment. 

ADK Kooling test, service and maintain supply and ventilation and fresh air supply systems in
public areas, retail, and commercial work environments. We also offer expert advice on every aspect of ventilation and fresh air supply systems.