Operating a heating and cooling system without the right controls can prove costly to any business. It is therefore essential to make sure that every system is correctly specified and maintained to provide the exact degree of control required.

Good controls will benefit any application, large or small but with the huge choice of control systems available, careful consideration should be given to identify the correct control for each individual situation.

Τhe ability to respond to different building requirements is particularly important for air conditioning systems. They must be able to react to a variety of factors including different room sizes, usage and occupancy levels as well as heat loads from electronic equipment and lighting. Optimum control of air conditioning systems is therefore essential to ensure a constant, comfortable environment, which is both energy and cost-efficient, whilst minimising carbon emissions.

For smaller premises, a simple control system with a remote controller and simple on/off scheduling will be sufficient to achieve the optimum combination of comfort, running costs and energy efficiency. However, in a large building, such as a hotel, a much more sophisticated control system will be needed to implement more intricate control strategies and to co-ordinate a large number of air conditioning units, all dealing with the different room requirements and changing heat loads.