Energy Design Resources is funded by California utility customers under the auspices of
the California Public Utilities Commission.
A wealth of information about
energy-efficient building practices is available in EDR's Design
Briefs, Design Guidelines, Case Studies, and Technology
Guidance on energy requirements for
residential HVAC changeouts is presented in a visual, easy
to understand format in this quick reference document.
Determine which requirements apply to your project, including
mandatory measures and HERS verification by downloading it.
Helpful hints for completing compliance documentation is also
This two page factsheet is
packed with basics you need to know about meeting energy
requirements for residential fenestration designs.
Performance requirements per climate zone, helpful hints in
completing compliance forms and direction on presriptive vs.
performance approach are highlighted.
Determining which compliance path is
most appropriate for your project, and what it really means
can be confusing. This one page document provides basic
information on mandatory versus prescriptive versus performance