California Title 24 Part 6 Non Residential Mechanical Acceptance Testing Registry

California Title 24, Part 6Nonresidential Mechanical Acceptance Testing Registry
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National ITC Corporation (NITC) has officially taken ownership of this document registration website.

Please bookmark this new URL — nitcdocreg.com. Your experience on this site should be no different than the previous site run by the ESCO Group. For additional information, contact NITC at 877-457-6482 x1206 or email docreg@nitc.com.
RSES Members, please note: The Refrigeration Service Engineers Society (RSES) did not sign the agreement letter required for the transfer of data to NITC. As a result, NITC is unable to provide RSES members access to the NITC Document Registry at this time. If you have questions, please contact Halie or Lori at the Refrigeration Service Engineers Society. Thank you.
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Acceptance testing, certification, and registry access explained.

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Frequently asked questions

Start with the basics.

Find quick answers below, or contact customer support if you need help with a specific registry question.

What is acceptance testing?

Acceptance Testing is process and procedure hat ensures that equipment, controls and systems operate as required by pre-established standards.

We are already commissioning a system. How is this different?

Acceptance testing is not intended to replace the commissioning process. Acceptance testing is a separate process that concentrates on the proper operation of specific system components and their compliance with pre-established standards.

Why do we need to do it?

By ensuring that equipment, controls and systems operate as required by pre-established standards, maximum operating efficiencies are maintained. In addition, acceptance testing is the law!

Do technicians need to be certified?

Yes. Technicians need to pass a number of examinations in order to become certified to conduct acceptance tests.

Do employers need to be certified?

Yes. Employers need to become certified to participate in the acceptance testing process.

Is acceptance testing optional?

No. For all projects that fall under the acceptance testing requirement umbrella, acceptance testing is mandatory.

What happens if acceptance testing is not done when required?

The certificate of occupancy for the project will not be issued.

Do all jobs require acceptance testing? (What type of jobs fall under Title 24?)

In general, acceptance testing is required for new equipment being installed as part of a new construction project or renovation/retrofit application.

Who are the certifying agencies or ATTCPs?

Currently RSES (Refrigeration Service Engineers Society), NEBB (National Environmental Balancing Bureau), NEMIC (National Energy Management Institute Committee) and the California State Pipe Trades Council are approved by the California Energy Commission as Acceptance Test Technician Certification Providers (ATTCPs). See the

Certifying Bodies →

page for more information. Additional certification providers may be accredited in the near future.