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ISO 19659-4:2026

Railway applications - Heating, ventilation and air conditioning systems for rolling stock - Part 4: Design parameters, and test and inspection items for the HVAC unit
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ISO 19659-4:2026

Railway applications - Heating, ventilation and air conditioning systems for rolling stock - Part 4: Design parameters, and test and inspection items for the HVAC unit

PUBLISH DATE 2026
ISO 19659-4:2026

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 driverÂ’s cabs in urban (metro, tramway), suburban, regional and main line vehicles.

SDO ISO: International Organization for Standardization
Document Number ISO 19659
Publication Date April 1, 2026
Language en - English
Page Count 76
Revision Level
Supercedes
Committee ISO/TC 269/SC 2
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