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Appendix A4

Section A4.602

California Green Building Standards Code (Title 24, Part 11) · 2022 edition · updated 2026-09-12 · California

RESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST—continued

FEATURE OR MEASURE LEVELS
APPLICANT TO SELECT ELECTIVE MEASURES
VERIFICATIONS
ENFORCING AGENCY TO SPECIFY
VERIFICATION METHOD
FEATURE OR MEASURE Mandatory Prerequisites and electives1 Prerequisites and electives1 Enforcing
Agency

All
Installer or
Designer

All
Third
party

All
FEATURE OR MEASURE Mandatory Tier 1 Tier 2 Tier 2 Tier 2 Tier 2
Innovative Concepts and Local
Environmental Conditions
A4.108.1 Items in this section are necessary to address innovative
concepts or local environmental conditions.
Item 1
Item 2
Item 3
ENERGY EFFICIENCY
General
4.201.1 Building meets or exceeds the requirements of the_California_
_Building Energy Efficiency Standards_3.
2 2
Performance Approach for Newly
Constructed Buildings
**A4.203.1.1 Hourly Source Energy Rating (EDR1).**EDR1 ratings
for building design shall be computed by Energy Compliant software
and shall reduce the EDR1 required by the software by the
compliance margins specified in Table A4.203.1.1.
2 2
**A4.203.1.2 Prerequisite options.In addition, a minimum of two of
the efficiency measures specified in Sections A4.203.1.2.1 through
A4.203.1.2.8 will be required to be met.
· Roof Deck Insulation or Ducts in Conditioned Space.
· High-performance Walls.
· Compact Hot Water Distribution System.
· Drain Water Heat Recovery.
· High Performance Vertical Fenestration.
· Heat Pump Water Heater Demand Management.
· Battery Storage System Controls.
· **Heat Pump Space and Water Heating.
2 2
A4.203.1.3 Consultation with local electric service provider.
Local jurisdictions considering adoption of reduced EDR targets
based on using solar photovoltaic (PV) systems larger than required
by the_California Energy Code_ shall consult with the local electric
service provider to ensure that that PV system sizing required to
comply with the EDR targets will be acceptable to the local electric
service provider.
2 2

continued

APPENDIX A4-22 2022 CALIFORNIA GREEN BUILDING STANDARDS CODE

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APPENDIX A4—RESIDENTIAL VOLUNTARY MEASURES

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Contents — California Green Building Standards Code (Title 24, Part 11)

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