Mechanical services provide ventilation and air conditioning to the building. Air conditioning and ventilation are critical to tenant and occupant comfort. These services are arguably the most noticeable on failure and one of the biggest consumers of energy. Poor performance can, therefore, result in both poor comfort conditions and excessive energy consumption.
Mechanical services rely on refrigeration systems of various types; generally, air or water cooled. These machines rely on a variety of refrigerants many of which are in the process of being phased out in accordance with the Montreal Protocol. Understanding the types of refrigerants utilised in these systems can have a significant impact on remaining economic life and replacement strategies.
Mechanical services also provide for ventilation and essential services smoke clearance. The essential elements are subject to mandatory maintenance and performance criteria. Being aware of the condition of these systems is critical to ensuring the safety of occupants.