International Standard
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
Reference number
ISO 19659-4:2026
Edition 1
2026-04
© ISO 2026
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Published (Edition 1, 2026)

ISO 19659-4:2026

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Format
CHF 204
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 2026-04
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 68
  • Technical Committee :
    ISO/TC 269/SC 2
    ICS :
    45.060.01 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

9
Industry, Innovation and Infrastructure
13
Climate Action

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