ACG Study Guide Exam Questions With Answers Graded A+
2025/2026
What is commissioning? - A process of documentation, adjustment, testing, verification,
and training performed specifically to ensure that the finished facility operates in
accordance with the owner's documented project requirements and the construction
documents. Commissioning serves the owner's best interests by delivering a facility with
systems that perform as specified, intended, and paid for.
What does DID mean and provide a brief definition? - Design Intent Document - Details
functional requirements and Owner's expectations of how a building will be used and
operated - Owner's Project Requirements
What does BOD mean and provide a brief definition? - Basis of Design - The concepts,
calculations, decisions, and product selections used to meet the Owner's Project
Requirements.
Designer's (A/E) services typically (do or do not) include field verification that their
design works as intended. - Do NOT
Construction Manager's services typically (do or do not) include functional verification
that the installed systems meet design intent. - Do NOT
The CxA has a distinct responsibility to who? - The Owner
The CxA is not just another layer of inspection, but a catalyst for? - Communication that
makes quality solutions possible.
The CxA (is or is not) an inspector. - Is NOT
The commissioning process provides verification that the ____ ____ ____ are
implemented in both the ____ and ____. - Owner's Project Requirements; Design and
Construction
New construction commissioning costs _ to _% of total construction cost. - 0.5 to 1.5%
Retrocommissioning costs _ to _% of total operation cost. - 3 to 5%
New construction commissioning costs _ to _% of total mechanical system construction
cost. - 2 to 3%
New construction commissioning costs _ to _% of total electrical system construction
cost. - 1 to 2%
New construction commissioning costs _ to _% of total comprehensive HVAC
construction cost. - 2 to 5%
, List 7 benefits of commissioning. - 1.) Better bid documents
2.) More accurate budgets
3.) More "control" of project
4.) Projects delivered on time
5.) Fewer change orders
6.) Fewer warranty issues
7.) Satisfied client
What is ASHRAE Guideline 1 - 1996 titled? - The HVAC Commissioning Process
What is ASHRAE Guideline 1.1 - 2007 titled? - HVAC&R Technical Requirements for
the Commissioning Process
What is ASHRAE Guideline 0 - 2005 titled? - The Commissioning Process
What is the ACG Commissioning Guideline? - Developed by the Associated Air Balance
Council (AABC). It is useful for owners, designers, and constructors but is intended for
training Cx providers. It defines the five (5) phases of the commissioning process. It
educates about the Cx process, provides standard methodologies for Cx, and
introduces a program for certifying qualified Cx providers.
What is the purpose of ASHRAE Guideline 0? - To describe the commissioning process
capable of verifying that a facility and its systems meet the Owner's Project
Requirements.
What is the purpose of ASHRAE Guideline 1.1? - To describe the technical
requirements for the application of the commissioning process described in ASHRAE
Guideline 0 that will verify that the HVAC&R systems achieve the Owner's Project
Requirements.
Indicate a few items that the OPR would address (10 listed). - 1.) Program requirements
2.) Community context
3.) Codes and regulations
4.) Site and climate
5.) Facility context and function
6.) Facility technology
7.) Sustainability
8.) Cost
9.) Schedule
10.) Client's needs and capabilities
What does CxA mean and what is the CxA's job function? - ACG Certified
Commissioning Authority; leader of the commissioning team that represents the facility
owner.
2025/2026
What is commissioning? - A process of documentation, adjustment, testing, verification,
and training performed specifically to ensure that the finished facility operates in
accordance with the owner's documented project requirements and the construction
documents. Commissioning serves the owner's best interests by delivering a facility with
systems that perform as specified, intended, and paid for.
What does DID mean and provide a brief definition? - Design Intent Document - Details
functional requirements and Owner's expectations of how a building will be used and
operated - Owner's Project Requirements
What does BOD mean and provide a brief definition? - Basis of Design - The concepts,
calculations, decisions, and product selections used to meet the Owner's Project
Requirements.
Designer's (A/E) services typically (do or do not) include field verification that their
design works as intended. - Do NOT
Construction Manager's services typically (do or do not) include functional verification
that the installed systems meet design intent. - Do NOT
The CxA has a distinct responsibility to who? - The Owner
The CxA is not just another layer of inspection, but a catalyst for? - Communication that
makes quality solutions possible.
The CxA (is or is not) an inspector. - Is NOT
The commissioning process provides verification that the ____ ____ ____ are
implemented in both the ____ and ____. - Owner's Project Requirements; Design and
Construction
New construction commissioning costs _ to _% of total construction cost. - 0.5 to 1.5%
Retrocommissioning costs _ to _% of total operation cost. - 3 to 5%
New construction commissioning costs _ to _% of total mechanical system construction
cost. - 2 to 3%
New construction commissioning costs _ to _% of total electrical system construction
cost. - 1 to 2%
New construction commissioning costs _ to _% of total comprehensive HVAC
construction cost. - 2 to 5%
, List 7 benefits of commissioning. - 1.) Better bid documents
2.) More accurate budgets
3.) More "control" of project
4.) Projects delivered on time
5.) Fewer change orders
6.) Fewer warranty issues
7.) Satisfied client
What is ASHRAE Guideline 1 - 1996 titled? - The HVAC Commissioning Process
What is ASHRAE Guideline 1.1 - 2007 titled? - HVAC&R Technical Requirements for
the Commissioning Process
What is ASHRAE Guideline 0 - 2005 titled? - The Commissioning Process
What is the ACG Commissioning Guideline? - Developed by the Associated Air Balance
Council (AABC). It is useful for owners, designers, and constructors but is intended for
training Cx providers. It defines the five (5) phases of the commissioning process. It
educates about the Cx process, provides standard methodologies for Cx, and
introduces a program for certifying qualified Cx providers.
What is the purpose of ASHRAE Guideline 0? - To describe the commissioning process
capable of verifying that a facility and its systems meet the Owner's Project
Requirements.
What is the purpose of ASHRAE Guideline 1.1? - To describe the technical
requirements for the application of the commissioning process described in ASHRAE
Guideline 0 that will verify that the HVAC&R systems achieve the Owner's Project
Requirements.
Indicate a few items that the OPR would address (10 listed). - 1.) Program requirements
2.) Community context
3.) Codes and regulations
4.) Site and climate
5.) Facility context and function
6.) Facility technology
7.) Sustainability
8.) Cost
9.) Schedule
10.) Client's needs and capabilities
What does CxA mean and what is the CxA's job function? - ACG Certified
Commissioning Authority; leader of the commissioning team that represents the facility
owner.
