BUILDING EFFICIENCY/ RENEWABLES
BUILDING EFFICIENCY/ RENEWABLES
FlexPath: Single Family Alterations
Whole Building
Equipment-Specific
ELECTRIFI-
CATION
Air Conditioner Replacements (AC to HP)
Electric Readiness:
Pre-Wiring
Panel Upgrade
EV Charging Readiness
ENERGY PLUS WATER
Right-sizing Plumbing
Water Reuse
Water Neutral Development
INFORMATION DISCLOSURE
Audits
Benchmarking
PROCESS LOADS
Commercial Kitchens
Elevators
Escalators
Controlled Environment Horticulture
One energy performance requirement for mixed fuel and all-electric
“Fuel-neutral” ordinances require buildings to comply with greater energy performance levels regardless of building power source—electricity and natural gas OR electricity only
- Easy to communicate and understand
- No external documents or calculations
- Likely fewer GHG emission reductions
View and Download Resources
Application Package, Internal Staff Resources, Implementation
Application Package
- 2019 Restaurants Cost-effectiveness Report
- 2022 Single Family New Construction Cost-effectiveness Study
- 2022 Multifamily New Construction Cost-Effectiveness Study
- 2022 Nonresidential New Construction Cost-effectiveness Study
- CEC Submittal Instructions
- 2022 High-Rise Multifamily Addendum: Solar Thermal Water Heating
- 2022 NRNC Heat Pump Boilers Cost-effectiveness Report
- 2022 NRNC Heat Pump Boiler Study Data
Internal Staff Resources
- Summary of Single Margin Structure
- 2022 Model Ordinance - New Construction (Single Margin: Hourly Source Energy)
- 2022 Model Ordinance - New Construction Electrification, Efficiency, and Renewables
- Net Billing Tariff (NBT) Impacts on Single Family New Construction
- 2022 Single Family New Con Analysis - Executive Summary
- 2022 Single Family New Construction Study Data
- 2022 Multifamily NewCon Analysis - Executive Summary
- 2022 Multifamily New Construction Study Data
- 2022 Nonresidential New Con Analysis-Executive Summary
- 2022 Nonresidential New Construction Study Data
Implementation
Cool roof materials for new and at re-roofing
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Application Package, Internal Staff Resources, Implementation
Internal Staff Resources
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
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Application Package, Internal Staff Resources, Implementation
Application Package
Internal Staff Resources
- 2025 FlexPath Model Ordinance Language
- 2025 FlexPath Process and Decision Guide
- 2025 FlexPath Model Presentation (for local modification)
- 2022 Single Family Retrofits Study -Executive Summary
- 2025 Single Family Retrofits Study Data
- Home Energy Score (HES) Demonstration Project Report
- 2025 FlexPath: Model Staff Report
Implementation
FlexPath: Weighted menu of efficiency, renewable, or electrification measures required for additions or alterations of an existing building
- Flexibility to select measures to limit maximum incremental cost
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Application Package, Internal Staff Resources, Implementation
Application Package
Internal Staff Resources
Implementation
Nonresidential Air Conditioner Replacements (NR AC to HP)
Require heat pump or efficiency measures when replacing packaged rooftop air conditioners in nonresidential buildings.
- Encourages installation of heat pumps when replacing HVAC systems.
- Applies only to HVAC systems with capacity less than 20 tons
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Application Package, Internal Staff Resources, Implementation
Application Package
Internal Staff Resources
Single Family Air Conditioner Replacements (SF AC to HP)
- Helps accelerate heat pump adoption
- Eliminates site GHG emissions associated with space heating
- Some existing site conditions may present implementation challenges
- Requires significant stakeholder education on benefits
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Application Package, Internal Staff Resources, Implementation
Application Package
Internal Staff Resources
All-Electric (Municipal Code Amendment)
Require all-electric new construction projects with no gas appliances or gas plumbing, through amending the zoning, health and safety, or other municipal code
- Maximum reduction in emissions
- Flexibility to adopt outside Title 24, Part 6
- No need for cost-effectiveness study or CEC approval
- Requires more community outreach and education than other structures
- Uncertainty regarding existing legal challenges
- Technical feasibility for some occupancies
View and Download Resources
Application Package, Internal Staff Resources, Implementation
Application Package
Internal Staff Resources
- Exceptions in All-Electric Ordinances
- 2022 Single Family New Con Analysis - Executive Summary
- 2022 Single Family New Construction Study Data
- 2022 Multifamily NewCon Analysis - Executive Summary
- 2022 Multifamily New Construction Study Data
- 2022 Nonresidential New Con Analysis-Executive Summary
- 2022 Nonresidential New Construction Study Data
Implementation
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