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2023 Code Breaker: Accessory Dwelling Units (ADU)

November 14, 2023 @ 12:00 pm - 1:00 pm PST



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2023 Code Breaker: Accessory Dwelling Units (ADU)

This is a free zoom presentation > information to access the zoom will be emailed to registrants 24 hours before the event.   If you don’t receive an email please reach out to marc@aialosangeles.org!

This hour-long virtual course focuses requirements in the 2022 Energy Code (Title 24 Part 6) for accessory dwelling units (ADU). We will discuss how to identify the ADU type and its impact on Energy Code requirements for envelope, mechanical, photovoltaics (PV), battery storage or battery ready and HERS measures. We will also review how the compliance metrics differ depending on ADU type, including the new EDR source energy metrics for new construction ADUs.

CES Learning Units: 1 LU / HSW – APPROVED!


Nick Brown, President, Build Smart Group

Nick Brown is President of Build Smart, an independent energy consultancy specializing in California energy modeling, energy code, and building performance that supports builders and architects in designing energy-efficient buildings. Nick is a Certified Energy Analyst (CEA) for residential and an Associate Energy Analyst (AEA) for nonresidential construction by the California Association of Building Energy Consultants (CABEC). He is a Subject Matter Expert on the Energy Code Ace statewide education team and teaches classes for Southern California Edison on Net Zero Design, All-electric Homes, Heat Pumps, and Selling Clean Energy Homes. As part of a CalSEED team, Nick is currently researching phase change material applications in HVAC systems. Nick was elected to the Board of Directors of CABEC beginning in 2018. He holds a BA in Economics from Princeton University and an MBA in Manufacturing from the University of Michigan. He remodeled his own home in 2014 in a deep energy retrofit and has written and presented extensively on Net Zero buildings, high-performance walls, and energy efficient building. Prior to starting Build Smart, he served as President of Merlex Stucco for 15 years, a $15 million Southern California stucco manufacturer.


Approved Learning Objectives – AIA CES: 1 LU|HSW

+ Establish if an ADU design is considered an alteration, addition, or a new residential building per the Energy Code.

+ Discuss the envelope (roof, walls, floors, fenestration) requirements associated with the ADU type (alteration, addition, new construction) under the 2022 Energy Code.

+ Recognize the renewable energy requirements of ADU type including photovoltaics (PV), battery storage, and battery ready.

+ Determine mechanical equipment requirements, including any HERS verification measure options that provide ADU design flexibility, and how utility source energy metric may impact those choices.




2023 CodeBreaker ADU Workbook


Sponsored by: 


November 14, 2023
12:00 pm - 1:00 pm PST
Event Categories:
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Zoom Meeting – Login Information will be emailed directly to registrants 24 hours before the event


Southern California Edison
Energy Code Ace