The Commissioning Process for Existing HVAC&R Systems
ASHRAE Guideline Project Committee 1.2


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Upcoming PC Meetings

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Location: TBA
2:15 PM - 4:15 PM - Main Committee



Project Committee meeting minutes are available to interested parties upon written request of the Manager of Standards. Attachments to minutes may or may not be included due to file size and/or because copyrighted intellectual property is included. Decisions to distribute attachments to the minutes will be made on a case by case basis and due to the size of the request may take longer to process.

Title, Purpose, and Scope

ASHRAE Guideline 0.2P,  

TITLE: The Commissioning Process for Existing Building Systems and Assemblies

 PURPOSE: The purpose of this guideline is to describe the procedures, methods, documentation requirements and physical activities of the commissioning process using the principles developed in ASHRAE Guideline 0, The Commissioning Process.

SCOPE: This guideline applies to existing building systems and assemblies.

ASHRAE Guideline 1.2P Proposed TPS:

TITLE:     HVAC&R Technical Requirements of the Commissioning Process for Existing Building Systems and Assemblies.

PURPOSE:           The purpose of this guideline is to describe the technical requirements of the commissioning process for existing HVAC&R systems and assemblies, based on the processes described in ASHRAE Guideline 0.2P-200X, The Commissioning Process for Existing Systems and Assemblies.

SCOPE:          The guideline applies to existing HVAC&R systems and assemblies.

The Committee currently has seven subcommittees, each working on developing a specific step in the commissioning process. The guideline will form part of the ASHRAE commissioning guideline series, the basis of which is formed by guideline 0, available in the ASHRAE bookstore at this link. Guideline 1, specifically geared to the commissioning of HVAC systems, is available at this link.

Guideline 0 provides a framework for commissioning new buildings and is not written for any particular system or building component. Instead, it describes the generic process of commissioning, applicable for all elements of construction.

Guideline 1 provides assistance by applying guideline 0 specifically to HVAC Systems.

Guideline 1.2 will describe the commissioning process for all elements of construction in an existing building, and may in the future be complemented by a guideline specifically aimed at particular systems within existing buildings.

If you are a building owner or operator, commissioning agent or contractor with an interest in commissioning existing buildings, please look at our membership page to find out who to contact for questions or ideas.

To see why commissioning of existing buildings in particular is so relevant in today's world, please read the 2006 ASHRAE Presidential Address by Terry Townsend.


Committee Chair

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William Dean


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Markham Wheeler, Jr


Upcoming Society Conferences

ASHRAE Winter Conference
January 23-27, 2021

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