DW/172 is your definitive guide to kitchen ventilation systems in non-domestic properties. This new easy-to-use publication has evolved to incorporate legislative change and new standards, and represents the most up-to-date and indispensable industry specification for HVAC specialists serving the catering sector. Providing essential reference material for installers, specifiers and engineers, DW/172 clearly details all the requirements for the design, installation and maintenance of kitchen ventilation systems. The new publication is a progression of the popular DW/171 that became the industry benchmark for kitchen ventilation systems after it was published in 1999. DW/172 is a key part of HVCA Publications suite of literature intended to set standards for ductwork service and maintenance.