Newly constructed low-rise residential buildings shall comply with Sections A4.203.1.1 and either A4.203.1.2.1, A4.203.1.2.2 or A4.203.1.2.3.
Each of the following efficiency measures is required for all applicable components of the building project.
An energy design rating for the Proposed Design Building shall be computed by Compliance Software certified by the Energy Commission and this rating shall be included in the Certificate of Compliance documentation.
The QII procedures specified in the Building Energy Efficiency Standards Reference Residential Appendix RA3.5 shall be completed.
Comply with one of the advanced efficiency levels indicated below.
Buildings complying with the first level of advanced energy efficiency shall have either an Energy Budget that is no greater than 85 percent of the Title 24, Part 6 Energy Budget for the Standard Design Building, or an Energy Design Rating showing a 15% or greater reduction in its Energy Budget component compared to the Standard Design Building, as calculated by Title 24, Part 6 Compliance Software approved by the Energy Commission.
Buildings complying with the second level of advanced energy efficiency shall have either an Energy Budget that is no greater than 70 percent of the Title 24, Part 6 Energy Budget for the Standard Design Building, or an Energy Design Rating showing a 30% or greater reduction in its Energy Budget component compared to the Standard Design Building, as calculated by Title 24, Part 6 Compliance Software approved by the Energy Commission.
Buildings complying with this elective designation shall have on-site renewable energy generation sufficient to achieve an Energy Design Rating of zero (0) as calculated by Title 24, Part 6 Compliance Software approved by the Energy Commission, and:
- Single-family buildings in Climate Zones 6 and 7, and low-rise multifamily buildings in Climate Zone 3, 5, 6, and 7 shall comply with Section A4.203.1.2.1 (Tier 1); and
- Single-family buildings in Climate Zones 1 through 5 and 8 through 16 and low-rise multi-family buildings in Climate Zones 1, 2, 4, and 8 through 16 shall comply with Section A4.203.1.2.2 (Tier 2).
Note: For Energy Budget calculations, high-rise residential and hotel/motel buildings are considered nonresidential buildings.
Authority: Public Resources Code Sections 25218, subd. (e), 25402, 25402.1, 25402.4, 25402.5, 25402.5.4, 25402.8, 25910 and 25943, and Health and Safety Code Sections 18930.5 and 18941.5.
Reference: Public Resources Code Sections 25402, subd. (a)-(c), 25402.1, 25402.4, 25402.5, 25402.5.4, 25402.8, 25910 and 25943, and Health and Safety Code Sections 18930.5 and 18941.5.