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ASHRAE Guideline 1.1-2025 -- Application of the Commissioning Process to New HVAC&R Systems, 2025
- ASHRAE Online Bookstore
- Addenda
- Errata
- Return to Previous Page
- SSPC300 Informative Common Annexes
- ASHRAE Guideline 1.1-2025 [Go to Page]
- Contents
- Foreword
- 1. Purpose [Go to Page]
- 1.1 The purpose of this guideline is to provide specific technical detail that augments ASHRAE Guideline 0, The Commissioning Process for New Buildings and New Systems, and ANSI/ASHRAE/IES Standard 202, The Commissioning Process Requirements for New ...
- 2. Scope [Go to Page]
- 2.1 This document provides specific commissioning content that expands on application of the Commissioning Process (Cx) contained in ASHRAE Guideline 0 and ANSI/ASHRAE/IES Standard 202 for each project delivery phase from predesign through occupancy ...
- 2.2 This document establishes a foundation that allows an Owner to implement an existing building Cx as established in ASHRAE Guideline 0.2, The Commissioning Process for Existing Systems and Assemblies, and ASHRAE Guideline 1.2, Application of the C...
- 3. Utilization [Go to Page]
- 3.1 This guideline is applicable to the installation of new HVAC&R systems and assemblies, including new construction, renovations, and modifications.
- 3.2 The application of this guideline depends upon the Owner’s Project Requirements and how the project is designed, built, and operated. This guideline is supplemental to the Commissioning Process (Cx) detailed in ASHRAE Guideline 0 and thus must ...
- 3.3 This guideline describes specific details for the best practices to implement the Cx relative to new HVAC&R systems.
- 4. Definitions
- 5. Predesign Phase [Go to Page]
- 5.1 Introduction. Information about the project is gathered to develop and define the Owner’s Project Requirements (OPR), including the following:
- 5.2 Predesign Cx Activities
- 5.3 Acceptance Criteria. See Guideline 0, Section 5.3, for Predesign Phase acceptance requirements. Additional information is provided in Guideline 0, Informative Appendix H, “Acceptance Plan.”
- 5.4 Predesign Phase Documentation. See Guideline 0, Section 5.4, for Predesign Phase documentation requirements. Additional information is provided in SSPC 300 Informative Annex 01, “Commissioning Process Documentation Matrix.”
- 5.5 Predesign Phase Training Identification Requirements. See Guideline 0, Section 5.5, “Predesign Phase Training Identification Requirements,” for training identification requirements. Additional information is provided in ASHRAE Guideline 1.3, ...
- 6. Design Phase [Go to Page]
- 6.1 Introduction
- 6.2 Design Phase Cx Activities
- 6.3 Design Phase Acceptance Requirements. Refer to ASHRAE Guideline 0, Section 6.3, for Design Phase acceptance requirements.
- 6.4 Design Phase Documentation Requirements. Refer to ASHRAE Guideline 0, Section 6.4, for Design Phase documentation requirements.
- 6.5 Design Phase Training Identification Requirements. Refer to ASHRAE Guideline 0, Section 6.5, for Design Phase training requirements.
- 7. Construction Phase [Go to Page]
- 7.1 Introduction. Commissioning Process (Cx) activities to be performed by the various members of the Cx Provider (CxP) Team during the Construction Phase are described in ASHRAE Guideline 0, Section 7. Additional information on specific activities r...
- 7.2 Construction Phase Cx Activities
- 7.3 Construction Phase Acceptance Requirements. See ASHRAE Guideline 0, Section 7.3, for requirements.
- 7.4 Construction Phase Documentation Requirements. See ASHRAE Guideline 0, Section 7.4, for requirements.
- 7.5 Construction Phase Training Requirements. See ASHRAE Guideline 0, Section 7.5, for requirements.
- 8. Occupancy and Operations Phase [Go to Page]
- 8.1 Introduction. Commissioning Process (Cx) Activities described in this section to be performed by the various members of the Cx Provider (CxP) Team during the Occupancy and Operations Phase are generally described in ASHRAE Guideline 0, Section 8....
- 8.2 Occupancy and Operations Phase Cx Activities
- 8.3 Occupancy and Operations Phase Acceptance Requirements. The Occupancy and Operations Phase acceptance requirements are detailed in ASHRAE Guideline 0, Section 8.3.
- 8.4 Occupancy and Operations Phase Documentation Requirements. The Occupancy and Operations Phase documentation requirements are detailed in ASHRAE Guideline 0, Section 8.4.
- 8.5 Occupancy and Operations Phase Training Requirements. The Cx training requirements for the Occupancy and Operations Phase are detailed in ASHRAE Guideline 0, Section 8.5.
- Informative Appendix A: Integration Project Design [Go to Page]
- A1. Exterior Enclosure System Integration
- Informative Appendix B: Guideline 1.1-2025 Crosswalk [Go to Page]
