I-REN C&S Training: 2025 Code Series: Deep Dive on What's New: Multifamily

This online live event summarizes the new and revised requirements in the 2025 California Building Energy Efficiency Standards (Title 24, Part 6 or Energy Code) for multifamily buildings, and directs participants to informational resources and training that provide more in-depth information on the Energy Code. Held in partnership with Energy Code Ace.

Water Solutions 10

• UCI Beall Applied Innovation @ the Cove 5270 California Ave, # 100, Irvine, CA
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Join Sustain SoCal on Tuesday, August 26th to celebrate a decade of solutions in water recycling, reuse, anti-contamination efforts, infrastructure development, technology, and more!

Electrical Upgrade Alternatives for Building Retrofits

• Webinar
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This class, offered by BayREN and SVCE, will focus on an overview of service upgrades for electrification retrofits. Assessment approaches, such as NEC methods and peak demand, will be discussed, along with strategies to reduce load.

Microgrids for a Resilient Renewable Future

• Webinar
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Join New Buildings Institute for an engaging webinar on how microgrids play a key role in modernizing the power grid, accelerating the transition to renewable energy, and strengthening community resilience.

3C-REN: CALGreen Code – 2025 Update

• Webinar
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This course focuses on Title 24, Part 11, the California Green Building Standards, incorporating the 2025 code changes that take effect January 1, 2026. The presenters will review the background of the code, the logistics of implementation and the specific requirements for residential and non-residential construction.

Existing Building Reach Codes Working Group: Implementation and Enforcement

• Hybrid: In-Person: Room 101, 455 County Center, Redwood City Virtual: Zoom
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Please join San Mateo County, Rincon Consultants, and TRC on Thursday, July 31 at 11am for a working group for building officials, contractors, and city staff. During this working group and webinar, TRC will facilitate a workshop on compliance strategies for three new policy options for existing buildings: • AC to Heat Pump: A policy focused on air conditioning unit replacement. Homeowners choose either to replace an AC unit with a heat pump or an AC unit alongside efficiency measures. • Electric Readiness: A policy that adds wiring near gas appliances during renovations. This allows homeowners to easily electrify gas equipment in the future • Single Family FlexPath: A policy that requires a set of efficiency improvements during substantial renovations. Homeowners choose the efficiency improvements from a menu of options. In-Person registration: https://docs.google.com/forms/d/e/1FAIpQLSeKhsby3iwTNjjQQLskNfykx-efTOGzJxV_Kpx0oii4K3jkKg/viewform?usp=header Virtual registration: https://us06web.zoom.us/webinar/register/WN_4Abarqk0RlWcYp1VwZ_e1Q

I-REN C&S Training: Financials of Solar and Storage

• Webinar
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This class will give attendees the ability to evaluate solar decisions for their own projects with the same financial metrics used in business. The basic mechanics of solar and storage will be covered, and the course will review the Title 24 requirements around both solar installation and battery storage.

3C-R3C-REN training: Multifamily: Energy Code Implementation Series, with 2025 Code Updates

• Webinar
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This series focuses on current best practices for implementation of energy strategies, as well as what’s around the corner with the new code that will take effect Jan. 1, 2026. With particular focus on the Central Coast region, in this session we’ll discuss on what to include in construction documents to streamline the permitting process and tips for construction to ease signoffs and occupancy for multi-family buildings.

16th Annual California Climate and Energy Collaborative Forum.

• San Jose
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The CCEC Forum brings together several hundred local government staff, elected officials, and community organizations, to collaborate and learn from each other as they work to advance fair and equitable climate change and energy practices.

Nonresidential Alterations Cost-Effectiveness Study Webinar

• Online
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The Statewide Local Energy Codes team will present the results of the cost-effectiveness study documenting cost-effective reach code options that exceed the minimum requirements of the 2025 Building Energy Efficiency Standards for alterations to existing nonresidential buildings.

Single-Family AC to Heat Pump Replacement Cost-Effectiveness Study

• Webinar
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Statewide Local Energy Codes team presents the results of the cost-effectiveness study for an ordinance encouraging single family homeowners to install a heat pump when replacing an existing air conditioner. The team will provide an overview of the study, measure specifications and cost and savings impacts.

2024 Updates to the 2022 Single Family Retrofits Cost-Effectiveness Study

• Webinar
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The Statewide Local Energy Codes team presents the results of the 2024 updates to the Single Family Retrofit Cost-Effectiveness Study. Attendees will learn about the most recent cost-effectiveness analyses, both from the published report and from the updated data in the free online Cost-Effectiveness Explorer tool.

Simplified Flexible Path Policymaking with the Cost-Effectiveness Explorer

• Webinar
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The Cost-Effectiveness Explorer team will present new capabilities in the free online tool that local jurisdiction staff can use to craft effective flexible path measures more easily.

Results from the 2022 Multifamily New Construction Cost-Effectiveness Study 

• Webinar
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This webinar will present the results from the most recent cost-effectiveness analysis for multifamily new construction, which supports the development of reach codes under the new 2022 Building Energy Efficiency Standards (effective 1/1/2023). The presenters will provide results for all packages studied across all 16 California Climate Zones (CZs).

Reaching Beyond New Construction: A Panel Discussion

• Webinar
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This is a panel discussion with local jurisdiction staff on existing building policy adoption. A collaboration between Building Decarbonization Coalition, BayREN, 3C-REN, California Climate & Energy Collaborative and the Statewide Reach Codes Program, this webinar is reserved for local jurisdiction staff.

2025 Energy Code Cycle Stakeholder Meeting: Single Family and Multifamily

• Webinar
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In this webinar, the Statewide CASE Team will introduce the audience to the Single Family and Multifamily measures that are being considered for the 2025 T24 energy code and seek to garner participation from new and existing stakeholders.

Reach Codes Newcomers Webinar Series:
Session 5

• Webinar
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Session 5, Implementation:  Monitoring reach code implementation, checklists and training, examples from specific jurisdictions, and more.

Designing Local Policies with the Cost-Effectiveness Explorer

• Webinar
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Launched in the fall of 2020 and used by 100+ local jurisdictions statewide, the Cost-Effectiveness Explorer now lets users create and visualize impacts from overarching policies at the local level. This webinar will walk through the free online tool to enable attendees a "hands-on" look at how to explore the new policy-building tools, and provide plenty of time for Q&A.

Draft Results: Multifamily New Construction Cost-Effectiveness Study

• Webinar
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Draft Results: Nonresidential New Construction Cost-Effectiveness Study

• Webinar
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Results & Findings: Single Family New Construction Cost-Effectiveness Study

• Webinar
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Reach Codes Newcomers Webinar Series:
Session 4

• Webinar
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Session 4, Reach code ordinance options:  Renewing existing reach codes, developing and adopting new reach codes for new and existing buildings, model ordinances, and more.

Reach Codes Newcomers Webinar Series:
Session 3

• Webinar
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Session 3, Cost-effectiveness analyses:  Introduction to terms, when an analysis is required, what makes a measure cost effective, types of inputs and considerations, how to obtain and use a cost-effectiveness analysis, energy code terms and metrics, and more.

Reach Codes Newcomers Webinar Series:
Session 2

• Webinar
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Session 2, Reach code process & timing:  The general steps of developing and drafting a reach code, including policy development, timing considerations, preparing for Council, and support resources to help you throughout the process.

Reach Codes Newcomers Webinar Series:
Session 1

• Webinar
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Session 1, Introduction:  The what and why of reach codes, including an overview of the process and timing, legal considerations, and more.

Designing Flexible Path Reach Codes with the Cost-Effectiveness Explorer

• Webinar
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Tackling Residential Retrofits: Tools and Lessons Learned

• Webinar
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Reach Codes Results: Residential Retrofits Cost-effectiveness Webinar

• Webinar - Online
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Please join us for a presentation on the results of our newly-completed analysis of residential retrofit measures and measure packages. A preliminary cost-effectiveness study on existing residential building upgrades was published by the statewide Codes & Standards team in February 2020. At that time, the research team identified a range of additional options that merited further study. These include: Revisiting  base case assumptions Exploring additional HVAC upgrade options Evaluating additional building envelope improvements Assessing lighting: luminaire replacements in addition to lamp replacements Evaluating electrification and electrification-ready measures at equipment change-out Considering the effectiveness of PV system installation when building an addition Requiring additional efficiency upgrades when installing PV Study authors will present their findings and answer participant questions on all the measures and measure packages analyzed.

2019 New Construction Studies - Technical Webinar