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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 […]

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 […]

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 […]

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 […]

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