Calendar of Events and Trainings

Apply Here 3C-REN is pleased to offer The Passive House Network's (PHN's) Certified Passive House Designer/ Consultant hybrid cohort. This training is available at no cost to residents and those […]

Register Event Description This one-hour course introduces the key differences between unitary and split heat pump water heater systems, with a focus on what they are, what they do, and […]

Register Event Description Passive House is an enclosure-first approach that empowers architectural design to drive comfort, resilience, health, and efficiency outcomes. The Passive House enclosure is fundamental to overall building […]

Register Event Description California’s carbon reduction goals reach beyond energy performance to include equity, natural solutions for carbon sequestration, and conservation of resources. Using the Living Building Challenge and local […]

Register Event Description As the 2022 energy code wraps up its final year, and the 2025 code emerges, we see the trends of building electrification, healthier indoor air quality and […]

Register Event Description This course will cover what Energy Consultants need to know about Quality Insulation Installation (QII) to best help their clients meet the Title 24 Energy Code. QII […]

Register Event Description More details coming soon! Learning Objectives More details coming soon! Learning Units 1.5 AIA LUs pending for this course 0.15 ICC LUs pending for this course Instructor […]

Register Enjoy food, drinks, and great company at the third event in our High-Performance Happy Hour Series! Whether you're a homeowner, architect, or simply curious about high-performance design, join us […]

Register Event Description This course focuses on Title 24, Part 11, the California Green Building Standards, incorporating the 2025 code changes that take effect January 1, 2026. We’ll review background […]

Register Event Description PHN's Introduction to Passive House Trades course will broadly cover the following topics: Passive House basics, review of typical construction types, windows and installation, air barriers and […]

Register Event Description Inflation Reduction Act Part 3: Pairing IRA funds with Real Estate Loans and Go Green Programs IRA funding is coming, bringing huge potential for energy-efficiency upgrades at […]

Register Event Description Do you want higher performance at lower costs? Every decision that increases pipe length decreases efficiency and adds costs. Right-sizing pipes and water heaters is essential. Integrating […]

Register Event Description This is an office-hours style open discussion about high-performance building enclosures with Home Performance Pro Judy Rachel. We'll be talking insulation, windows, air sealing, blower door testing, […]

Register Event Description More details coming soon! Learning Objectives More details coming soon! Learning Units 1.5 AIA LUs pending for this course 0.15 ICC LUs pending for this course Instructor […]

Register Event Description Take a look behind the scenes of how an energy performance model is developed using Energy Pro and California’s Building Energy Code Compliance (CBECC) software. We’ll review […]

Register Event Description Moving from fossil-fuel boilers to other forms of domestic hot water heating can be challenging, but it’s definitely doable. This training offers experience and strategies for providing […]

Register NAR Green Day 1: The Resource-Efficient Home - Retrofits, Remodels, Renovations, and New Home Construction Wednesday, September 17 | 9:00 am – 5:00 pm The session looks at why […]

Register Event Description We all learned the principles of passive solar design in school – south facing orientation, strategic windows, thermal mass, etc., but the old rules don’t apply in […]

Apply Here 3C-REN is offering a hands-on Certified Passive House Tradesperson Training and Exam through industry leading provider Emu Passive FREE (normally a $2,490 value) to tradespeople who are residents […]

Register Event Description 3rd-party verification through HERS/ECC measures is a great way to improve energy performance and, more to the point, meet the Title 24 Energy code. In this two-part […]