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Introduction to Passive House Retrofits

REGISTER Passive House Standards are not just for new construction. Existing structures can benefit from upgrading airtightness, insulation, reducing thermal bridging, upgrading to high performance doors and windows, and adding […]

Installing Heat Pumps: Lessons from the Field

REGISTER Heat Pumps are a big part of the solution to meeting California’s climate goals in buildings. In plain terms, they’re reversible air conditioners and have been around for over 100 […]

Energy Code Compliance for All-Electric ADUs

REGISTER Get a walkthrough of an all-electric 176 square foot tiny home and learn how it does and doesn't meet energy code compliance. Our experts will share tips on what code compliance you should keep in mind for other tiny home or ADU projects in the tri-county region.   Learning objectives: ■ Learn how computer […]

Ventilation 101

REGISTER Ventilation 101 will cover the fundamentals of ventilation and will provide information to enable learners to achieve the following learning objectives:   Articulate why tighter construction means residential buildings need ventilation. Identify and articulate the pros and cons of the three types of ventilation currently available: supply only, exhaust only and balanced ventilation. Describe […]

Crafting High Performance Enclosures: Roofs, Walls, and Floors – Class 3 High Performance Fundamentals Series

REGISTER This is class 3 of 6 in 3C-REN's High Performance Fundamentals Certificate series. Earn a 3C-REN certificate of completion after finishing the series and passing short quizzes at the end of each class.   Building enclosures – the roof, walls, and floor – are the first line of defense between nature and people. Enclosure performance […]

Flexible Dates: Become a HERS Rater

INTEREST FORM​ 3C-REN has partnered with CalCERTS, Inc. to offer HERS (Home Energy Rating System) Rater training for FREE* to qualified candidates across the tri-counties!   As the California Energy Code (Title 24 Part 6) becomes more stringent, HERS Raters are essential to the construction process as trusted third-party reviewers of the performance of a building’s […]

Heat Pump Fundamentals: Space Conditioning and Water Heating – Class 4: High Performance Fundamentals Series

REGISTER This is class 4 of 6 in 3C-REN's High Performance Fundamentals Certificate series. Earn a 3C-REN certificate of completion after finishing the series and passing short quizzes at the end of each class. This series will be hosted twice throughout 2023.    Having gained a solid understanding of high-performance building enclosures from classes 1 through […]

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