As PERT are not tied to any one manufacturer, they are free of design constraints and are able to specify the most suitable equipment to provide the best engineered solution for any type of application. These range from the most complex central plant systems to basic comfort air conditioning systems. The highest standards of refrigeration practices are adhered to, paying particular attention to environmentally acceptable refrigerants. In fact all environmental considerations are taken into account. PERT gives you the green option. Of prime importance to the customer is our nationwide After-Sales Service. PERT engineers are highly respected and are able to service all types of plant from comfort conditioning systems to major chiller plants.