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Air conditioning: Air conditioning system features
Installing a new air conditioning system can be a large expense for your business, but it's essential for staff and customer comfort.
Different types of air conditioning systems
Most air conditioning systems operate in similar ways, so choosing the right one comes down to a decision on price, energy efficiency, flexibility and how instillation can be carried out on your premises:
- All-air systems transfer the cooled air through a series of ducts in the ceiling and air is distributed via grilles to each room in the building. Whilst this is the simplest system, it can be difficult to install, as large ducts are needed and controlling the air temperature is not always easy.
- Water-based systems pump chilled water throughout the building which is distributed by a fan blowing air over the coils carrying the cool water.
- Refrigerant systems are also referred to as DX or Direct Expansion units. They operate a cyclical system using refrigerants that absorb heat when they are converted from a liquid to a gas. Different units can be placed around the premises offering great flexibility and control. These systems are energy efficient and have low running costs.
- Variable Refrigerant Flow (VRF) has the benefit of being very flexible to install and having easy to use electronic control systems. By using different pumps these systems can provide heating and air cooling at different times or simultaneously in different areas of the same premises.
- Digital Inverter systems cover all kinds of commercial applications, such as ceiling mounted, ceiling suspended or enclosed indoor units. This system offers a compact system with a low running cost.
- Portable AC units are lightweight, easy to use and can be moved to wherever there is a need, providing instant air conditioning.
- Spot coolers are used to cool a specific application or area in the building with a powerful stream.
- Evaporative coolers are filled with water and operate via evaporation to provide a cooling effect. These are cost effective and work well in large, well ventilated areas.