Reference profile
- Designation
- ASHRAE 55
- Title
- Thermal Environmental Conditions for Human Occupancy
- Issuing body
- ASHRAE
- Current edition
- [verify]
- Status
- Library record: reviewed; official standard status [verify].
- Category
- Utility Mechanical
1
Overview
Combinations of indoor thermal environmental factors and personal factors that provide acceptable thermal comfort.
2
Scope & Applicability
Covers
- Thermal comfort zone
- Temperature & humidity
- Air speed
- PMV/PPD
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 comfort design
- Occupant comfort assessment
4
Technical Details
Combinations of indoor thermal environmental factors and personal factors that provide acceptable thermal comfort.
Components: Temperature setpoint, Humidity, Air velocity, Comfort zone.
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
- Defines the comfort envelope used to set HVAC temperature and humidity targets.
6
Related Standards
- ASHRAE 62.1
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.
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.