Effective January 1, 2017, California Title 24, Part 6 requires Non-Residential Mechanical
Acceptance Testing of the mechanical systems that are installed as part of new construction and
Acceptance tests demonstrate compliance with 2013/2016 Building Energy Efficiency Standards for
mechanical systems, such as heating, ventilation, and air conditioning in newly constructed
buildings, as well as additions and alterations to existing buildings, including equipment
California Energy Commission Acceptance Testing Requirements:
Prior to applying for a permit to install HVAC equipment, the installing contractor,
equipment specifying engineering, or architect must complete and submit to the permit
issuing authority the appropriate completed compliance forms.
Permit issuing authorities require upon completion of installation that acceptance testing
be performed and that the equipment pass a construction inspection and a functional test
before a permit can be closed.
The acceptance test must be conducted by a Certified Acceptance Test Technician "ATT" and
the ATT must be employed by a Certified Acceptance Test Employer "ATE” at the time of
The Acceptance Testing Technician Certification Provider "ATTCP" must conduct an onsite
audit of no less than 1% of a technician's acceptance forms.
The required compliance and acceptance forms must be signed and recorded in the registry by
the ATT, ATE, Document Author, and Responsible Person.
Permit issuing authorities may not close a permit unless all required documents are
submitted and the acceptance forms bear the registry watermark and unique ID specific to
both the form and the project.