ASHRAEUtility Mechanical

ASHRAE 62.1

Ventilation for Acceptable Indoor Air Quality

US / International
Utility Mechanical

Reference profile

Designation
ASHRAE 62.1
Title
Ventilation for Acceptable Indoor Air Quality
Issuing body
ASHRAE
Current edition
[verify]
Status
Library record: reviewed; official standard status [verify].
Category
Utility Mechanical
1

Overview

Minimum ventilation rates and measures to achieve acceptable indoor air quality in occupied spaces.

2

Scope & Applicability

Covers

  • Ventilation rate procedure
  • Outdoor air requirements
  • Exhaust
  • Air filtration

Does NOT cover (exclusions)

  • Exclusions are not documented in this library record. Confirm the official publication, neighbouring codes, the adopted edition, and jurisdictional boundaries before application.
3

Key Requirements

Lifecycle requirements

  • HVAC ventilation design
  • IAQ compliance
4

Technical Details

Minimum ventilation rates and measures to achieve acceptable indoor air quality in occupied spaces.

Components: Air handling unit, Outdoor air intake, Exhaust fan, Filter.

Where to find it in the codeRefer to the official table of contents and the sections cited by the project specification; section numbering can vary by edition.
5

Engineering Notes

  • The go-to standard for sizing outdoor air; control-room and building HVAC designs cite it directly.
6

Related Standards

  • ASHRAE 55

    Companion or referenced standard; verify its exact relationship in the adopted edition.

  • ASHRAE 90.1

    Companion or referenced standard; verify its exact relationship in the adopted edition.

  • NFPA 90A

    Companion or referenced standard; verify its exact relationship in the adopted edition.

7

Source, Edition & Status

Publisher
ASHRAE
Edition Year
N/A
Industries
Utility, General Industry
Content Status
reviewed
Last Reviewed
2026-07-01
Last Updated
2026-07-01
Verified By
Engineering Reviewer
Official Link
N/A

This paraphrased summary is a discovery aid. Do not reproduce or substitute it for the copyrighted official publication or jurisdictional requirements.