Efficient Design
Efficient Design
Envelope and Equipment Features
Efficiency
Renewables
Electrification
Transport
Electric Vehicle Charging
EV Readiness
Light Duty Vehicles
Medium and Heavy Duty Vehicles
Operational Emissions
Performance Information and Improvement
Benchmarking
Building Performance Standards (BPS)
Audits
Time of Sale / Date-Certain
Embodied Carbon
Low Carbon Materials
Manufacturing
Procurement
Demolition
Recycling and Reuse
ENERGY PLUS WATER
Indoor and Outdoor Water Efficiency
Right-sizing Plumbing
Water Reuse
Water Neutral Development
FlexPath: Install efficiency, renewable, or electrification measures in existing building if not included in project scope
Require upgrades beyond work triggered by Title 24 code. Examples include: add attic insulation to vented attic spaces, or apply air sealing to accessible areas
- Impact on existing homes with greatest savings potential
- Often politically challenging to adopt requirements for existing homes
View and Download Resources
Application Package, Internal Staff Resources, Implementation
Application Package
Internal Staff Resources
- 2025 FlexPath (plus Electric Readiness and Cool Roofs) Model Ordinance Language
- 2025 FlexPath (Only) Model Ordinance Language
- 2025 Single Family Electric Readiness Model Ordinance Language
- 2025 FlexPath Process and Decision Guide
- 2025 FlexPath Model Presentation (for local modification)
- 2025 Single Family Retrofits Study Data
- 2025 FlexPath: Model Staff Report
Implementation
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