Skip to content

ASHRAE

American Society of Heating, Refrigerating and Air-Conditioning Engineers

ASHRAE is a global professional society advancing heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems. ASHRAE Standards establish minimum requirements for energy efficiency, indoor air quality, and building systems.

pubid-rubyv2.0.0·rt-new-lutaml-model·2026-05-04
IndustrySyntax ASHRAE identifiers follow patterns like: ASHRAE Standard [Number]-[Year], ASHRAE Guideline [Number]-[Year], with addenda appended. Website
7
Doc Types
5
Components
3
Relations
0
Stages

Document Types 7

Standard

Standard

Guideline

Guideline

Addendum

Addendum

Addenda Package

Addenda Package

Errata

Errata

Components 5

Structured elements that make up a ASHRAE identifier:

Publisher
Enumeration

ASHRAE

ASHRAE
e.g.ASHRAE
Type
Enumeration

Standard or Guideline

StandardGuideline
e.g.Standard
Number
String

The standard/guideline number

Alphanumeric. May include decimal (e.g., 90.1, 1.4).
e.g.90.1
Year
Year

Publication year

4-digit year, preceded by hyphen.
e.g.2019
Addendum Letter

Letter designation for addenda

PubID Algebra 3

Relationships between ASHRAE identifiers:

RelationDescriptionSyntaxExample
AddendumIndividual modification to a standardASHRAE Addendum [Letter] to [Type] [Number]-[Year]ASHRAE Addendum a to Guideline 1.4-2019
Combined AddendaMultiple addenda combinedASHRAE [Type] [Number]: Addenda [Letters]ASHRAE Guideline 0: Addenda a, b, c, d
ErrataCorrectionASHRAE Errata to [Type] [Number]-[Year]ASHRAE Errata to Standard 90.1-2022

An open source project of Ribose