BS EN ISO 19659-4:2026

This standard BS EN ISO 19659-4:2026 Railway applications. Heating, ventilation and air conditioning systems for rolling stock is classified in these ICS categories:

• 45.060.01 Railway rolling stock in general

This document specifies requirements and guidelines for: the design parameters to be provided to the heating, ventilation and air conditioning (HVAC) unit manufacturer by the rolling stock manufacturer (“Customer”) and the railway operator, the test and inspection items, requirements and methods used by the HVAC unit manufacturer to verify that the HVAC unit conforms with the design parameters. This document is applicable to HVAC units for the passenger area and driver’s cabs in urban (metro, tramway), suburban, regional and main line vehicles.