Reference profile
- Designation
- ASHRAE 90.1
- Title
- Energy Standard for Buildings Except Low-Rise Residential Buildings
- Issuing body
- ASHRAE
- Current edition
- [verify]
- Status
- Library record: draft; official standard status [verify].
- Category
- Utility Mechanical
1
Overview
Minimum energy-efficiency requirements for building envelope, HVAC, lighting, and power systems.
2
Scope & Applicability
Covers
- HVAC efficiency
- Building envelope
- Economizers
- Controls
- Lighting power
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
- Energy-code compliance
- HVAC efficiency design
4
Technical Details
Minimum energy-efficiency requirements for building envelope, HVAC, lighting, and power systems.
Components: Chiller, AHU, Envelope, Lighting, Economizer.
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
- Widely adopted as an energy code baseline for commercial and industrial buildings.
6
Related Standards
- ASHRAE 62.1
Companion or referenced standard; verify its exact relationship in the adopted edition.
- ASHRAE 55
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
- draft
- 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.